diff --git a/client/components/app/MediaPlayerContainer.vue b/client/components/app/MediaPlayerContainer.vue
index ed8971f7..989fc062 100644
--- a/client/components/app/MediaPlayerContainer.vue
+++ b/client/components/app/MediaPlayerContainer.vue
@@ -374,19 +374,27 @@ export default {
         return
       }
 
+      // https://developer.mozilla.org/en-US/docs/Web/API/Media_Session_API
       if ('mediaSession' in navigator) {
-        var coverImageSrc = this.$store.getters['globals/getLibraryItemCoverSrc'](this.streamLibraryItem, '/Logo.png', true)
-        const artwork = [
-          {
-            src: coverImageSrc
-          }
-        ]
+        const chapterInfo = []
+        if (this.chapters.length) {
+          this.chapters.forEach((chapter) => {
+            chapterInfo.push({
+              title: chapter.title,
+              startTime: chapter.start
+            })
+          })
+        }
 
         navigator.mediaSession.metadata = new MediaMetadata({
           title: this.title,
           artist: this.playerHandler.displayAuthor || this.mediaMetadata.authorName || 'Unknown',
           album: this.mediaMetadata.seriesName || '',
-          artwork
+          artwork: [
+            {
+              src: this.$store.getters['globals/getLibraryItemCoverSrc'](this.streamLibraryItem, '/Logo.png', true)
+            }
+          ]
         })
         console.log('Set media session metadata', navigator.mediaSession.metadata)
 
diff --git a/client/components/cards/AuthorCard.vue b/client/components/cards/AuthorCard.vue
index 7ffcde73..27e67725 100644
--- a/client/components/cards/AuthorCard.vue
+++ b/client/components/cards/AuthorCard.vue
@@ -1,5 +1,5 @@
 <template>
-  <article class="pb-3e" :style="{ minWidth: cardWidth + 'px', maxWidth: cardWidth + 'px' }">
+  <div class="pb-3e" :style="{ minWidth: cardWidth + 'px', maxWidth: cardWidth + 'px' }">
     <nuxt-link :to="`/author/${author?.id}`">
       <div cy-id="card" @mouseover="mouseover" @mouseleave="mouseleave">
         <div cy-id="imageArea" :style="{ height: cardHeight + 'px' }" class="bg-primary box-shadow-book rounded-md relative overflow-hidden">
@@ -34,7 +34,7 @@
         </div>
       </div>
     </nuxt-link>
-  </article>
+  </div>
 </template>
 
 <script>
diff --git a/client/components/cards/LazyBookCard.vue b/client/components/cards/LazyBookCard.vue
index 1791971e..884e54b6 100644
--- a/client/components/cards/LazyBookCard.vue
+++ b/client/components/cards/LazyBookCard.vue
@@ -1,5 +1,5 @@
 <template>
-  <article ref="card" :id="`book-card-${index}`" tabindex="0" :aria-label="displayTitle" :style="{ minWidth: coverWidth + 'px', maxWidth: coverWidth + 'px' }" class="absolute rounded-sm z-10 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
+  <div ref="card" :id="`book-card-${index}`" tabindex="0" :style="{ minWidth: coverWidth + 'px', maxWidth: coverWidth + 'px' }" class="absolute rounded-sm z-10 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
     <div :id="`cover-area-${index}`" class="relative w-full top-0 left-0 rounded overflow-hidden z-10 bg-primary box-shadow-book" :style="{ height: coverHeight + 'px ' }">
       <!-- When cover image does not fill -->
       <div cy-id="coverBg" v-show="showCoverBg" class="absolute top-0 left-0 w-full h-full overflow-hidden rounded-sm bg-primary">
@@ -128,7 +128,7 @@
     <div cy-id="detailBottom" :id="`description-area-${index}`" v-if="isAlternativeBookshelfView || isAuthorBookshelfView" dir="auto" class="relative mt-2e mb-2e left-0 z-50 w-full">
       <div :style="{ fontSize: 0.9 + 'em' }">
         <ui-tooltip v-if="displayTitle" :text="displayTitle" :disabled="!displayTitleTruncated" direction="bottom" :delayOnShow="500" class="flex items-center">
-          <p cy-id="title" ref="displayTitle" aria-hidden="true" class="truncate">{{ displayTitle }}</p>
+          <p cy-id="title" ref="displayTitle" class="truncate">{{ displayTitle }}</p>
           <widgets-explicit-indicator cy-id="explicitIndicator" v-if="isExplicit" />
         </ui-tooltip>
       </div>
@@ -138,7 +138,7 @@
       <p cy-id="line2" class="truncate text-gray-400" :style="{ fontSize: 0.8 + 'em' }">{{ displayLineTwo || '&nbsp;' }}</p>
       <p cy-id="line3" v-if="displaySortLine" class="truncate text-gray-400" :style="{ fontSize: 0.8 + 'em' }">{{ displaySortLine }}</p>
     </div>
-  </article>
+  </div>
 </template>
 
 <script>
diff --git a/client/components/cards/LazySeriesCard.vue b/client/components/cards/LazySeriesCard.vue
index 57d2a4f8..6b1633c4 100644
--- a/client/components/cards/LazySeriesCard.vue
+++ b/client/components/cards/LazySeriesCard.vue
@@ -1,5 +1,5 @@
 <template>
-  <article cy-id="card" ref="card" :id="`series-card-${index}`" tabindex="0" :aria-label="displayTitle" :style="{ width: cardWidth + 'px' }" class="absolute rounded-sm z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
+  <div cy-id="card" ref="card" :id="`series-card-${index}`" tabindex="0" :style="{ width: cardWidth + 'px' }" class="absolute rounded-sm z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
     <div cy-id="covers-area" class="relative" :style="{ height: coverHeight + 'px' }">
       <div class="absolute top-0 left-0 w-full box-shadow-book shadow-height" />
       <div class="w-full h-full bg-primary relative rounded overflow-hidden z-0">
@@ -21,14 +21,14 @@
 
     <div cy-id="standardBottomText" v-if="!isAlternativeBookshelfView" class="categoryPlacard absolute z-10 left-0 right-0 mx-auto -bottom-6e h-6e rounded-md text-center" :style="{ width: Math.min(200, cardWidth) + 'px' }">
       <div class="w-full h-full shinyBlack flex items-center justify-center rounded-sm border" :style="{ padding: `0em 0.5em` }">
-        <p cy-id="standardBottomDisplayTitle" class="truncate" aria-hidden="true" :style="{ fontSize: labelFontSize + 'em' }">{{ displayTitle }}</p>
+        <p cy-id="standardBottomDisplayTitle" class="truncate" :style="{ fontSize: labelFontSize + 'em' }">{{ displayTitle }}</p>
       </div>
     </div>
     <div cy-id="detailBottomText" v-else class="relative z-30 left-0 right-0 mx-auto py-1e rounded-md text-center">
-      <p cy-id="detailBottomDisplayTitle" class="truncate" aria-hidden="true" :style="{ fontSize: labelFontSize + 'em' }">{{ displayTitle }}</p>
+      <p cy-id="detailBottomDisplayTitle" class="truncate" :style="{ fontSize: labelFontSize + 'em' }">{{ displayTitle }}</p>
       <p cy-id="detailBottomSortLine" v-if="displaySortLine" class="truncate text-gray-400" :style="{ fontSize: 0.8 + 'em' }">{{ displaySortLine }}</p>
     </div>
-  </article>
+  </div>
 </template>
 
 <script>
diff --git a/client/components/modals/ShareModal.vue b/client/components/modals/ShareModal.vue
index d0487fd3..5b379884 100644
--- a/client/components/modals/ShareModal.vue
+++ b/client/components/modals/ShareModal.vue
@@ -19,12 +19,13 @@
           <ui-text-input v-model="currentShareUrl" show-copy readonly class="text-base h-10" />
         </div>
         <div class="w-full py-2 px-1">
-          <p v-if="currentShare.expiresAt" class="text-base">{{ $getString('MessageShareExpiresIn', [currentShareTimeRemaining]) }}</p>
+          <p v-if="currentShare.isDownloadable" class="text-sm mb-2">{{ $strings.LabelDownloadable }}</p>
+          <p v-if="currentShare.expiresAt">{{ $getString('MessageShareExpiresIn', [currentShareTimeRemaining]) }}</p>
           <p v-else>{{ $strings.LabelPermanent }}</p>
         </div>
       </template>
       <template v-else>
-        <div class="flex flex-col sm:flex-row items-center justify-between space-y-4 sm:space-y-0 sm:space-x-4 mb-4">
+        <div class="flex flex-col sm:flex-row items-center justify-between space-y-4 sm:space-y-0 sm:space-x-4 mb-2">
           <div class="w-full sm:w-48">
             <label class="px-1 text-sm font-semibold block">{{ $strings.LabelSlug }}</label>
             <ui-text-input v-model="newShareSlug" class="text-base h-10" />
@@ -46,6 +47,15 @@
             </div>
           </div>
         </div>
+        <div class="flex items-center w-full md:w-1/2 mb-4">
+          <p class="text-sm text-gray-300 py-1 px-1">{{ $strings.LabelDownloadable }}</p>
+          <ui-toggle-switch size="sm" v-model="isDownloadable" />
+          <ui-tooltip :text="$strings.LabelShareDownloadableHelp">
+            <p class="pl-4 text-sm">
+              <span class="material-symbols icon-text text-sm">info</span>
+            </p>
+          </ui-tooltip>
+        </div>
         <p class="text-sm text-gray-300 py-1 px-1" v-html="$getString('MessageShareURLWillBe', [demoShareUrl])" />
         <p class="text-sm text-gray-300 py-1 px-1" v-html="$getString('MessageShareExpirationWillBe', [expirationDateString])" />
       </template>
@@ -81,7 +91,8 @@ export default {
           text: this.$strings.LabelDays,
           value: 'days'
         }
-      ]
+      ],
+      isDownloadable: false
     }
   },
   watch: {
@@ -172,7 +183,8 @@ export default {
         slug: this.newShareSlug,
         mediaItemType: 'book',
         mediaItemId: this.libraryItem.media.id,
-        expiresAt: this.expireDurationSeconds ? Date.now() + this.expireDurationSeconds * 1000 : 0
+        expiresAt: this.expireDurationSeconds ? Date.now() + this.expireDurationSeconds * 1000 : 0,
+        isDownloadable: this.isDownloadable
       }
       this.processing = true
       this.$axios
diff --git a/client/components/modals/collections/AddCreateModal.vue b/client/components/modals/collections/AddCreateModal.vue
index 7c22525f..94a7f0e7 100644
--- a/client/components/modals/collections/AddCreateModal.vue
+++ b/client/components/modals/collections/AddCreateModal.vue
@@ -138,7 +138,6 @@ export default {
           .$post(`/api/collections/${collection.id}/batch/remove`, { books: this.selectedBookIds })
           .then((updatedCollection) => {
             console.log(`Books removed from collection`, updatedCollection)
-            this.$toast.success(this.$strings.ToastCollectionItemsRemoveSuccess)
             this.processing = false
           })
           .catch((error) => {
@@ -152,7 +151,6 @@ export default {
           .$delete(`/api/collections/${collection.id}/book/${this.selectedLibraryItemId}`)
           .then((updatedCollection) => {
             console.log(`Book removed from collection`, updatedCollection)
-            this.$toast.success(this.$strings.ToastCollectionItemsRemoveSuccess)
             this.processing = false
           })
           .catch((error) => {
@@ -167,12 +165,11 @@ export default {
       this.processing = true
 
       if (this.showBatchCollectionModal) {
-        // BATCH Remove books
+        // BATCH Add books
         this.$axios
           .$post(`/api/collections/${collection.id}/batch/add`, { books: this.selectedBookIds })
           .then((updatedCollection) => {
             console.log(`Books added to collection`, updatedCollection)
-            this.$toast.success(this.$strings.ToastCollectionItemsAddSuccess)
             this.processing = false
           })
           .catch((error) => {
@@ -187,7 +184,6 @@ export default {
           .$post(`/api/collections/${collection.id}/book`, { id: this.selectedLibraryItemId })
           .then((updatedCollection) => {
             console.log(`Book added to collection`, updatedCollection)
-            this.$toast.success(this.$strings.ToastCollectionItemsAddSuccess)
             this.processing = false
           })
           .catch((error) => {
@@ -214,7 +210,6 @@ export default {
         .$post('/api/collections', newCollection)
         .then((data) => {
           console.log('New Collection Created', data)
-          this.$toast.success(`Collection "${data.name}" created`)
           this.processing = false
           this.newCollectionName = ''
         })
diff --git a/client/components/modals/playlists/AddCreateModal.vue b/client/components/modals/playlists/AddCreateModal.vue
index e089324f..d1f910b8 100644
--- a/client/components/modals/playlists/AddCreateModal.vue
+++ b/client/components/modals/playlists/AddCreateModal.vue
@@ -130,7 +130,6 @@ export default {
         .$post(`/api/playlists/${playlist.id}/batch/remove`, { items: itemObjects })
         .then((updatedPlaylist) => {
           console.log(`Items removed from playlist`, updatedPlaylist)
-          this.$toast.success(this.$strings.ToastPlaylistUpdateSuccess)
           this.processing = false
         })
         .catch((error) => {
@@ -148,7 +147,6 @@ export default {
         .$post(`/api/playlists/${playlist.id}/batch/add`, { items: itemObjects })
         .then((updatedPlaylist) => {
           console.log(`Items added to playlist`, updatedPlaylist)
-          this.$toast.success(this.$strings.ToastPlaylistUpdateSuccess)
           this.processing = false
         })
         .catch((error) => {
@@ -174,7 +172,6 @@ export default {
         .$post('/api/playlists', newPlaylist)
         .then((data) => {
           console.log('New playlist created', data)
-          this.$toast.success(this.$strings.ToastPlaylistCreateSuccess + ': ' + data.name)
           this.processing = false
           this.newPlaylistName = ''
         })
diff --git a/client/components/modals/podcast/EditEpisode.vue b/client/components/modals/podcast/EditEpisode.vue
index b87f89c7..9702ce38 100644
--- a/client/components/modals/podcast/EditEpisode.vue
+++ b/client/components/modals/podcast/EditEpisode.vue
@@ -170,6 +170,12 @@ export default {
         this.show = false
       }
     },
+    libraryItemUpdated(libraryItem) {
+      const episode = libraryItem.media.episodes.find((e) => e.id === this.selectedEpisodeId)
+      if (episode) {
+        this.episodeItem = episode
+      }
+    },
     hotkey(action) {
       if (action === this.$hotkeys.Modal.NEXT_PAGE) {
         this.goNextEpisode()
@@ -178,9 +184,15 @@ export default {
       }
     },
     registerListeners() {
+      if (this.libraryItem) {
+        this.$eventBus.$on(`${this.libraryItem.id}_updated`, this.libraryItemUpdated)
+      }
       this.$eventBus.$on('modal-hotkey', this.hotkey)
     },
     unregisterListeners() {
+      if (this.libraryItem) {
+        this.$eventBus.$on(`${this.libraryItem.id}_updated`, this.libraryItemUpdated)
+      }
       this.$eventBus.$off('modal-hotkey', this.hotkey)
     }
   },
diff --git a/client/components/modals/podcast/tabs/EpisodeDetails.vue b/client/components/modals/podcast/tabs/EpisodeDetails.vue
index 2084ddee..85cfb4ff 100644
--- a/client/components/modals/podcast/tabs/EpisodeDetails.vue
+++ b/client/components/modals/podcast/tabs/EpisodeDetails.vue
@@ -163,13 +163,10 @@ export default {
 
       this.isProcessing = false
       if (updateResult) {
-        if (updateResult) {
-          this.$toast.success(this.$strings.ToastItemUpdateSuccess)
-          return true
-        } else {
-          this.$toast.info(this.$strings.MessageNoUpdatesWereNecessary)
-        }
+        this.$toast.success(this.$strings.ToastItemUpdateSuccess)
+        return true
       }
+
       return false
     }
   },
diff --git a/client/components/stats/Heatmap.vue b/client/components/stats/Heatmap.vue
index fe235bdd..4e491621 100644
--- a/client/components/stats/Heatmap.vue
+++ b/client/components/stats/Heatmap.vue
@@ -1,7 +1,7 @@
 <template>
   <div id="heatmap" class="w-full">
     <div class="mx-auto" :style="{ height: innerHeight + 160 + 'px', width: innerWidth + 52 + 'px' }" style="background-color: rgba(13, 17, 23, 0)">
-      <p class="mb-2 px-1 text-sm text-gray-200">{{ $getString('MessageListeningSessionsInTheLastYear', [Object.values(daysListening).length]) }}</p>
+      <p class="mb-2 px-1 text-sm text-gray-200">{{ $getString('MessageDaysListenedInTheLastYear', [daysListenedInTheLastYear]) }}</p>
       <div class="border border-white border-opacity-25 rounded py-2 w-full" style="background-color: #232323" :style="{ height: innerHeight + 80 + 'px' }">
         <div :style="{ width: innerWidth + 'px', height: innerHeight + 'px' }" class="ml-10 mt-5 absolute" @mouseover="mouseover" @mouseout="mouseout">
           <div v-for="dayLabel in dayLabels" :key="dayLabel.label" :style="dayLabel.style" class="absolute top-0 left-0 text-gray-300">{{ dayLabel.label }}</div>
@@ -37,6 +37,7 @@ export default {
       innerHeight: 13 * 7,
       blockWidth: 13,
       data: [],
+      daysListenedInTheLastYear: 0,
       monthLabels: [],
       tooltipEl: null,
       tooltipTextEl: null,
@@ -193,46 +194,47 @@ export default {
     buildData() {
       this.data = []
 
-      var maxValue = 0
-      var minValue = 0
-      Object.values(this.daysListening).forEach((val) => {
-        if (val > maxValue) maxValue = val
-        if (!minValue || val < minValue) minValue = val
-      })
-      const range = maxValue - minValue + 0.01
+      let maxValue = 0
+      let minValue = 0
 
+      const dates = []
       for (let i = 0; i < this.daysToShow + 1; i++) {
-        const col = Math.floor(i / 7)
-        const row = i % 7
-
         const date = i === 0 ? this.firstWeekStart : this.$addDaysToDate(this.firstWeekStart, i)
         const dateString = this.$formatJsDate(date, 'yyyy-MM-dd')
-        const datePretty = this.$formatJsDate(date, 'MMM d, yyyy')
-        const monthString = this.$formatJsDate(date, 'MMM')
-        const value = this.daysListening[dateString] || 0
-        const x = col * 13
-        const y = row * 13
+        const dateObj = {
+          col: Math.floor(i / 7),
+          row: i % 7,
+          date,
+          dateString,
+          datePretty: this.$formatJsDate(date, 'MMM d, yyyy'),
+          monthString: this.$formatJsDate(date, 'MMM'),
+          dayOfMonth: Number(dateString.split('-').pop()),
+          yearString: dateString.split('-').shift(),
+          value: this.daysListening[dateString] || 0
+        }
+        dates.push(dateObj)
 
-        var bgColor = this.bgColors[0]
-        var outlineColor = this.outlineColors[0]
-        if (value) {
+        if (dateObj.value > 0) {
+          this.daysListenedInTheLastYear++
+          if (dateObj.value > maxValue) maxValue = dateObj.value
+          if (!minValue || dateObj.value < minValue) minValue = dateObj.value
+        }
+      }
+      const range = maxValue - minValue + 0.01
+
+      for (const dateObj of dates) {
+        let bgColor = this.bgColors[0]
+        let outlineColor = this.outlineColors[0]
+        if (dateObj.value) {
           outlineColor = this.outlineColors[1]
-          var percentOfAvg = (value - minValue) / range
-          var bgIndex = Math.floor(percentOfAvg * 4) + 1
+          const percentOfAvg = (dateObj.value - minValue) / range
+          const bgIndex = Math.floor(percentOfAvg * 4) + 1
           bgColor = this.bgColors[bgIndex] || 'red'
         }
 
         this.data.push({
-          date,
-          dateString,
-          datePretty,
-          monthString,
-          dayOfMonth: Number(dateString.split('-').pop()),
-          yearString: dateString.split('-').shift(),
-          value,
-          col,
-          row,
-          style: `transform:translate(${x}px,${y}px);background-color:${bgColor};outline:1px solid ${outlineColor};outline-offset:-1px;`
+          ...dateObj,
+          style: `transform:translate(${dateObj.col * 13}px,${dateObj.row * 13}px);background-color:${bgColor};outline:1px solid ${outlineColor};outline-offset:-1px;`
         })
       }
 
@@ -260,6 +262,7 @@ export default {
       const heatmapEl = document.getElementById('heatmap')
       this.contentWidth = heatmapEl.clientWidth
       this.maxInnerWidth = this.contentWidth - 52
+      this.daysListenedInTheLastYear = 0
       this.buildData()
     }
   },
diff --git a/client/components/tables/playlist/ItemTableRow.vue b/client/components/tables/playlist/ItemTableRow.vue
index 9f1a7e87..0cb73f9c 100644
--- a/client/components/tables/playlist/ItemTableRow.vue
+++ b/client/components/tables/playlist/ItemTableRow.vue
@@ -218,7 +218,6 @@ export default {
             this.$toast.success(this.$strings.ToastPlaylistRemoveSuccess)
           } else {
             console.log(`Item removed from playlist`, updatedPlaylist)
-            this.$toast.success(this.$strings.ToastPlaylistUpdateSuccess)
           }
         })
         .catch((error) => {
diff --git a/client/package-lock.json b/client/package-lock.json
index 807976bd..822fe2cf 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "audiobookshelf-client",
-  "version": "2.17.5",
+  "version": "2.17.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "audiobookshelf-client",
-      "version": "2.17.5",
+      "version": "2.17.7",
       "license": "ISC",
       "dependencies": {
         "@nuxtjs/axios": "^5.13.6",
diff --git a/client/package.json b/client/package.json
index 6f9d9d44..8a90d68e 100644
--- a/client/package.json
+++ b/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "audiobookshelf-client",
-  "version": "2.17.5",
+  "version": "2.17.7",
   "buildNumber": 1,
   "description": "Self-hosted audiobook and podcast client",
   "main": "index.js",
diff --git a/client/pages/share/_slug.vue b/client/pages/share/_slug.vue
index 7ddb994c..e7d00f00 100644
--- a/client/pages/share/_slug.vue
+++ b/client/pages/share/_slug.vue
@@ -12,6 +12,10 @@
         <div class="w-full pt-16">
           <player-ui ref="audioPlayer" :chapters="chapters" :current-chapter="currentChapter" :paused="isPaused" :loading="!hasLoaded" :is-podcast="false" hide-bookmarks hide-sleep-timer @playPause="playPause" @jumpForward="jumpForward" @jumpBackward="jumpBackward" @setVolume="setVolume" @setPlaybackRate="setPlaybackRate" @seek="seek" />
         </div>
+
+        <ui-tooltip v-if="mediaItemShare.isDownloadable" direction="bottom" :text="$strings.LabelDownload" class="absolute top-0 left-0 m-4">
+          <button aria-label="Download" class="text-gray-300 hover:text-white" @click="downloadShareItem"><span class="material-symbols text-2xl sm:text-3xl">download</span></button>
+        </ui-tooltip>
       </div>
     </div>
   </div>
@@ -63,6 +67,9 @@ export default {
       if (!this.playbackSession.coverPath) return `${this.$config.routerBasePath}/book_placeholder.jpg`
       return `${this.$config.routerBasePath}/public/share/${this.mediaItemShare.slug}/cover`
     },
+    downloadUrl() {
+      return `${process.env.serverUrl}/public/share/${this.mediaItemShare.slug}/download`
+    },
     audioTracks() {
       return (this.playbackSession.audioTracks || []).map((track) => {
         track.relativeContentUrl = track.contentUrl
@@ -103,6 +110,84 @@ export default {
     }
   },
   methods: {
+    mediaSessionPlay() {
+      console.log('Media session play')
+      this.play()
+    },
+    mediaSessionPause() {
+      console.log('Media session pause')
+      this.pause()
+    },
+    mediaSessionStop() {
+      console.log('Media session stop')
+      this.pause()
+    },
+    mediaSessionSeekBackward() {
+      console.log('Media session seek backward')
+      this.jumpBackward()
+    },
+    mediaSessionSeekForward() {
+      console.log('Media session seek forward')
+      this.jumpForward()
+    },
+    mediaSessionSeekTo(e) {
+      console.log('Media session seek to', e)
+      if (e.seekTime !== null && !isNaN(e.seekTime)) {
+        this.seek(e.seekTime)
+      }
+    },
+    mediaSessionPreviousTrack() {
+      if (this.$refs.audioPlayer) {
+        this.$refs.audioPlayer.prevChapter()
+      }
+    },
+    mediaSessionNextTrack() {
+      if (this.$refs.audioPlayer) {
+        this.$refs.audioPlayer.nextChapter()
+      }
+    },
+    updateMediaSessionPlaybackState() {
+      if ('mediaSession' in navigator) {
+        navigator.mediaSession.playbackState = this.isPlaying ? 'playing' : 'paused'
+      }
+    },
+    setMediaSession() {
+      // https://developer.mozilla.org/en-US/docs/Web/API/Media_Session_API
+      if ('mediaSession' in navigator) {
+        const chapterInfo = []
+        if (this.chapters.length > 0) {
+          this.chapters.forEach((chapter) => {
+            chapterInfo.push({
+              title: chapter.title,
+              startTime: chapter.start
+            })
+          })
+        }
+
+        navigator.mediaSession.metadata = new MediaMetadata({
+          title: this.mediaItemShare.playbackSession.displayTitle || 'No title',
+          artist: this.mediaItemShare.playbackSession.displayAuthor || 'Unknown',
+          artwork: [
+            {
+              src: this.coverUrl
+            }
+          ],
+          chapterInfo
+        })
+        console.log('Set media session metadata', navigator.mediaSession.metadata)
+
+        navigator.mediaSession.setActionHandler('play', this.mediaSessionPlay)
+        navigator.mediaSession.setActionHandler('pause', this.mediaSessionPause)
+        navigator.mediaSession.setActionHandler('stop', this.mediaSessionStop)
+        navigator.mediaSession.setActionHandler('seekbackward', this.mediaSessionSeekBackward)
+        navigator.mediaSession.setActionHandler('seekforward', this.mediaSessionSeekForward)
+        navigator.mediaSession.setActionHandler('seekto', this.mediaSessionSeekTo)
+        navigator.mediaSession.setActionHandler('previoustrack', this.mediaSessionSeekBackward)
+        navigator.mediaSession.setActionHandler('nexttrack', this.mediaSessionSeekForward)
+      } else {
+        console.warn('Media session not available')
+      }
+    },
     async coverImageLoaded(e) {
       if (!this.playbackSession.coverPath) return
       const fac = new FastAverageColor()
@@ -119,8 +204,19 @@ export default {
         })
     },
     playPause() {
+      if (this.isPlaying) {
+        this.pause()
+      } else {
+        this.play()
+      }
+    },
+    play() {
       if (!this.localAudioPlayer || !this.hasLoaded) return
-      this.localAudioPlayer.playPause()
+      this.localAudioPlayer.play()
+    },
+    pause() {
+      if (!this.localAudioPlayer || !this.hasLoaded) return
+      this.localAudioPlayer.pause()
     },
     jumpForward() {
       if (!this.localAudioPlayer || !this.hasLoaded) return
@@ -206,6 +302,7 @@ export default {
       } else {
         this.stopPlayInterval()
       }
+      this.updateMediaSessionPlaybackState()
     },
     playerTimeUpdate(time) {
       this.setCurrentTime(time)
@@ -247,6 +344,9 @@ export default {
     },
     playerFinished() {
       console.log('Player finished')
+    },
+    downloadShareItem() {
+      this.$downloadFile(this.downloadUrl)
     }
   },
   mounted() {
@@ -266,6 +366,8 @@ export default {
     this.localAudioPlayer.on('timeupdate', this.playerTimeUpdate.bind(this))
     this.localAudioPlayer.on('error', this.playerError.bind(this))
     this.localAudioPlayer.on('finished', this.playerFinished.bind(this))
+
+    this.setMediaSession()
   },
   beforeDestroy() {
     window.removeEventListener('resize', this.resize)
diff --git a/client/strings/bg.json b/client/strings/bg.json
index 8e124d06..b6aff288 100644
--- a/client/strings/bg.json
+++ b/client/strings/bg.json
@@ -629,7 +629,6 @@
   "MessageItemsSelected": "{0} избрани",
   "MessageItemsUpdated": "{0} елемента обновени",
   "MessageJoinUsOn": "Присъединете се към нас",
-  "MessageListeningSessionsInTheLastYear": "{0} слушателски сесии през последната година",
   "MessageLoading": "Зареждане...",
   "MessageLoadingFolders": "Зареждане на Папки...",
   "MessageM4BFailed": "M4B Провалено!",
@@ -729,7 +728,6 @@
   "ToastBookmarkUpdateSuccess": "Отметката е обновена",
   "ToastChaptersHaveErrors": "Главите имат грешки",
   "ToastChaptersMustHaveTitles": "Главите трябва да имат заглавия",
-  "ToastCollectionItemsRemoveSuccess": "Елемент(и) премахнати от колекция",
   "ToastCollectionRemoveSuccess": "Колекцията е премахната",
   "ToastCollectionUpdateSuccess": "Колекцията е обновена",
   "ToastItemCoverUpdateSuccess": "Корицата на елемента е обновена",
diff --git a/client/strings/bn.json b/client/strings/bn.json
index 16f8a447..fe758a0c 100644
--- a/client/strings/bn.json
+++ b/client/strings/bn.json
@@ -88,6 +88,8 @@
   "ButtonSaveTracklist": "ট্র্যাকলিস্ট সংরক্ষণ করুন",
   "ButtonScan": "স্ক্যান",
   "ButtonScanLibrary": "স্ক্যান লাইব্রেরি",
+  "ButtonScrollLeft": "বাম দিকে স্ক্রল করুন",
+  "ButtonScrollRight": "ডানদিকে স্ক্রল করুন",
   "ButtonSearch": "অনুসন্ধান",
   "ButtonSelectFolderPath": "ফোল্ডারের পথ নির্বাচন করুন",
   "ButtonSeries": "সিরিজ",
@@ -190,6 +192,7 @@
   "HeaderSettingsExperimental": "পরীক্ষামূলক ফিচার",
   "HeaderSettingsGeneral": "সাধারণ",
   "HeaderSettingsScanner": "স্ক্যানার",
+  "HeaderSettingsWebClient": "ওয়েব ক্লায়েন্ট",
   "HeaderSleepTimer": "স্লিপ টাইমার",
   "HeaderStatsLargestItems": "সবচেয়ে বড় আইটেম",
   "HeaderStatsLongestItems": "দীর্ঘতম আইটেম (ঘন্টা)",
@@ -297,6 +300,7 @@
   "LabelDiscover": "আবিষ্কার",
   "LabelDownload": "ডাউনলোড করুন",
   "LabelDownloadNEpisodes": "{0}টি পর্ব ডাউনলোড করুন",
+  "LabelDownloadable": "ডাউনলোডযোগ্য",
   "LabelDuration": "সময়কাল",
   "LabelDurationComparisonExactMatch": "(সঠিক মিল)",
   "LabelDurationComparisonLonger": "({0} দীর্ঘ)",
@@ -542,6 +546,7 @@
   "LabelServerYearReview": "সার্ভারের বাৎসরিক পর্যালোচনা ({0})",
   "LabelSetEbookAsPrimary": "প্রাথমিক হিসাবে সেট করুন",
   "LabelSetEbookAsSupplementary": "পরিপূরক হিসেবে সেট করুন",
+  "LabelSettingsAllowIframe": "আইফ্রেমে এম্বেড করার অনুমতি দিন",
   "LabelSettingsAudiobooksOnly": "শুধুমাত্র অডিও বই",
   "LabelSettingsAudiobooksOnlyHelp": "এই সেটিংটি সক্ষম করা ই-বই ফাইলগুলিকে উপেক্ষা করবে যদি না সেগুলি একটি অডিওবই ফোল্ডারের মধ্যে থাকে যে ক্ষেত্রে সেগুলিকে সম্পূরক ই-বই হিসাবে সেট করা হবে",
   "LabelSettingsBookshelfViewHelp": "কাঠের তাক সহ স্কুমরফিক ডিজাইন",
@@ -584,6 +589,7 @@
   "LabelSettingsStoreMetadataWithItemHelp": "ডিফল্টরূপে মেটাডেটা ফাইলগুলি /মেটাডাটা/আইটেমগুলি -এ সংরক্ষণ করা হয়, এই সেটিংটি সক্ষম করলে মেটাডেটা ফাইলগুলি আপনার লাইব্রেরি আইটেম ফোল্ডারে সংরক্ষণ করা হবে",
   "LabelSettingsTimeFormat": "সময় বিন্যাস",
   "LabelShare": "শেয়ার করুন",
+  "LabelShareDownloadableHelp": "শেয়ার লিঙ্ক সহ ব্যবহারকারীদের লাইব্রেরি আইটেমের একটি জিপ ফাইল ডাউনলোড করার অনুমতি দিন।",
   "LabelShareOpen": "শেয়ার খোলা",
   "LabelShareURL": "শেয়ার ইউআরএল",
   "LabelShowAll": "সব দেখান",
@@ -592,6 +598,8 @@
   "LabelSize": "আকার",
   "LabelSleepTimer": "স্লিপ টাইমার",
   "LabelSlug": "স্লাগ",
+  "LabelSortAscending": "আরোহী",
+  "LabelSortDescending": "অবরোহী",
   "LabelStart": "শুরু",
   "LabelStartTime": "শুরুর সময়",
   "LabelStarted": "শুরু হয়েছে",
@@ -679,6 +687,8 @@
   "LabelViewPlayerSettings": "প্লেয়ার সেটিংস দেখুন",
   "LabelViewQueue": "প্লেয়ার সারি দেখুন",
   "LabelVolume": "ভলিউম",
+  "LabelWebRedirectURLsDescription": "লগইন করার পরে ওয়েব অ্যাপে পুনঃনির্দেশের অনুমতি দেওয়ার জন্য আপনার OAuth প্রদানকারীতে এই URLগুলোকে অনুমোদন করুন:",
+  "LabelWebRedirectURLsSubfolder": "রিডাইরেক্ট URL এর জন্য সাবফোল্ডার",
   "LabelWeekdaysToRun": "চলতে হবে সপ্তাহের দিন",
   "LabelXBooks": "{0}টি বই",
   "LabelXItems": "{0}টি আইটেম",
@@ -763,7 +773,6 @@
   "MessageItemsSelected": "{0}টি আইটেম নির্বাচিত",
   "MessageItemsUpdated": "{0}টি আইটেম আপডেট করা হয়েছে",
   "MessageJoinUsOn": "আমাদের সাথে যোগ দিন",
-  "MessageListeningSessionsInTheLastYear": "গত বছরে {0}টি শোনার সেশন",
   "MessageLoading": "লোড হচ্ছে.।",
   "MessageLoadingFolders": "ফোল্ডার লোড হচ্ছে...",
   "MessageLogsDescription": "লগগুলি JSON ফাইল হিসাবে <code>/metadata/logs</code>-এ সংরক্ষণ করা হয়। ক্র্যাশ লগগুলি <code>/metadata/logs/crash_logs.txt</code>-এ সংরক্ষণ করা হয়।",
@@ -951,8 +960,6 @@
   "ToastChaptersRemoved": "অধ্যায়গুলো মুছে ফেলা হয়েছে",
   "ToastChaptersUpdated": "অধ্যায় আপডেট করা হয়েছে",
   "ToastCollectionItemsAddFailed": "আইটেম(গুলি) সংগ্রহে যোগ করা ব্যর্থ হয়েছে",
-  "ToastCollectionItemsAddSuccess": "আইটেম(গুলি) সংগ্রহে যোগ করা সফল হয়েছে",
-  "ToastCollectionItemsRemoveSuccess": "আইটেম(গুলি) সংগ্রহ থেকে সরানো হয়েছে",
   "ToastCollectionRemoveSuccess": "সংগ্রহ সরানো হয়েছে",
   "ToastCollectionUpdateSuccess": "সংগ্রহ আপডেট করা হয়েছে",
   "ToastCoverUpdateFailed": "কভার আপডেট ব্যর্থ হয়েছে",
diff --git a/client/strings/ca.json b/client/strings/ca.json
index f7e85ae2..bebb17e9 100644
--- a/client/strings/ca.json
+++ b/client/strings/ca.json
@@ -904,8 +904,6 @@
   "ToastChaptersRemoved": "Capítols eliminats",
   "ToastChaptersUpdated": "Capítols actualitzats",
   "ToastCollectionItemsAddFailed": "Error en afegir elements a la col·lecció",
-  "ToastCollectionItemsAddSuccess": "Elements afegits a la col·lecció",
-  "ToastCollectionItemsRemoveSuccess": "Elements eliminats de la col·lecció",
   "ToastCollectionRemoveSuccess": "Col·lecció eliminada",
   "ToastCollectionUpdateSuccess": "Col·lecció actualitzada",
   "ToastCoverUpdateFailed": "Error en actualitzar la portada",
diff --git a/client/strings/cs.json b/client/strings/cs.json
index d079d7a5..30614fbd 100644
--- a/client/strings/cs.json
+++ b/client/strings/cs.json
@@ -234,7 +234,7 @@
   "LabelAppend": "Připojit",
   "LabelAudioBitrate": "Bitový tok zvuku (např. 128k)",
   "LabelAudioChannels": "Zvukové kanály (1 nebo 2)",
-  "LabelAudioCodec": "Kodek audia",
+  "LabelAudioCodec": "Audio Kodek",
   "LabelAuthor": "Autor",
   "LabelAuthorFirstLast": "Autor (jméno a příjmení)",
   "LabelAuthorLastFirst": "Autor (příjmení a jméno)",
@@ -420,6 +420,7 @@
   "LabelMatchExistingUsersBy": "Přiřadit stávající uživatele podle",
   "LabelMatchExistingUsersByDescription": "Slouží k propojení stávajících uživatelů. Po propojení budou uživatelé přiřazeni k jedinečnému ID od poskytovatele SSO.",
   "LabelMaxEpisodesToDownload": "Maximální # epizod pro stažení. Použijte 0 pro bez omezení.",
+  "LabelMaxEpisodesToDownloadPerCheck": "Maximální počet nových epizod ke stažení při jedné kontrole",
   "LabelMaxEpisodesToKeep": "Maximální počet epizod k zachování",
   "LabelMaxEpisodesToKeepHelp": "Hodnotou 0 není nastaven žádný maximální limit. Po automatickém stažení nové epizody se odstraní nejstarší epizoda, pokud máte více než X epizod. Při každém novém stažení se odstraní pouze 1 epizoda.",
   "LabelMediaPlayer": "Přehrávač médií",
@@ -735,6 +736,7 @@
   "MessageConfirmPurgeCache": "Vyčistit mezipaměť odstraní celý adresář na adrese <code>/metadata/cache</code>. <br /><br />Určitě chcete odstranit adresář mezipaměti?",
   "MessageConfirmPurgeItemsCache": "Vyčištění mezipaměti položek odstraní celý adresář <code>/metadata/cache/items</code>.<br />Jste si jistí?",
   "MessageConfirmQuickEmbed": "Varování! Rychlé vložení nezálohuje vaše zvukové soubory. Ujistěte se, že máte zálohu zvukových souborů. <br><br>Chcete pokračovat?",
+  "MessageConfirmQuickMatchEpisodes": "Pokud je nalezena shoda při rychlém párování epizod, dojde k přepsání podrobností. Aktualizovány budou pouze nespárované epizody. Jste si jisti?",
   "MessageConfirmReScanLibraryItems": "Opravdu chcete znovu prohledat {0} položky?",
   "MessageConfirmRemoveAllChapters": "Opravdu chcete odstranit všechny kapitoly?",
   "MessageConfirmRemoveAuthor": "Opravdu chcete odstranit autora \"{0}\"?",
@@ -742,6 +744,7 @@
   "MessageConfirmRemoveEpisode": "Opravdu chcete odstranit epizodu \"{0}\"?",
   "MessageConfirmRemoveEpisodes": "Opravdu chcete odstranit {0} epizody?",
   "MessageConfirmRemoveListeningSessions": "Opravdu chcete odebrat {0} poslechových relací?",
+  "MessageConfirmRemoveMetadataFiles": "Jste si jisti, že chcete odstranit všechny metadata.{0} soubory ve složkách s položkami ve vaší knihovně?",
   "MessageConfirmRemoveNarrator": "Opravdu chcete odebrat předčítání \"{0}\"?",
   "MessageConfirmRemovePlaylist": "Opravdu chcete odstranit svůj playlist \"{0}\"?",
   "MessageConfirmRenameGenre": "Opravdu chcete přejmenovat žánr \"{0}\" na \"{1}\" pro všechny položky?",
@@ -757,6 +760,7 @@
   "MessageDragFilesIntoTrackOrder": "Přetáhněte soubory do správného pořadí stop",
   "MessageEmbedFailed": "Vložení selhalo!",
   "MessageEmbedFinished": "Vložení dokončeno!",
+  "MessageEmbedQueue": "Zařazeno do fronty pro vložení metadat ({0} ve frontě)",
   "MessageEpisodesQueuedForDownload": "{0} Epizody zařazené do fronty ke stažení",
   "MessageEreaderDevices": "Aby bylo zajištěno doručení elektronických knih, může být nutné přidat výše uvedenou e-mailovou adresu jako platného odesílatele pro každé zařízení uvedené níže.",
   "MessageFeedURLWillBe": "URL zdroje bude {0}",
@@ -767,7 +771,6 @@
   "MessageItemsSelected": "{0} vybraných položek",
   "MessageItemsUpdated": "{0} položky byly aktualizovány",
   "MessageJoinUsOn": "Přidejte se k nám",
-  "MessageListeningSessionsInTheLastYear": "{0} poslechových relací za poslední rok",
   "MessageLoading": "Načítá se...",
   "MessageLoadingFolders": "Načítám složky...",
   "MessageLogsDescription": "Protokoly se ukládají do souborů JSON v <code>/metadata/logs</code>. Protokoly o pádech jsou uloženy v <code>/metadata/logs/crash_logs.txt</code>.",
@@ -801,6 +804,7 @@
   "MessageNoLogs": "Žádné protokoly",
   "MessageNoMediaProgress": "Žádný průběh médií",
   "MessageNoNotifications": "Žádná oznámení",
+  "MessageNoPodcastFeed": "Neplatný podcast: Žádný kanál",
   "MessageNoPodcastsFound": "Nebyly nalezeny žádné podcasty",
   "MessageNoResults": "Žádné výsledky",
   "MessageNoSearchResultsFor": "Nebyly nalezeny žádné výsledky hledání pro \"{0}\"",
@@ -817,7 +821,10 @@
   "MessagePlaylistCreateFromCollection": "Vytvořit seznam skladeb z kolekce",
   "MessagePleaseWait": "Čekejte prosím...",
   "MessagePodcastHasNoRSSFeedForMatching": "Podcast nemá žádnou adresu URL kanálu RSS, kterou by mohl použít pro porovnávání",
-  "MessageQuickMatchDescription": "Vyplňte prázdné detaily položky a obálku prvním výsledkem shody z '{0}'. Nepřepisuje podrobnosti, pokud není povoleno nastavení serveru \"Preferovat párování metadata\".",
+  "MessageQuickEmbedInProgress": "Probíhá rychlé vkládání",
+  "MessageQuickEmbedQueue": "Zařazeno do fronty pro rychlé vložení ({0} ve frontě)",
+  "MessageQuickMatchAllEpisodes": "Rychlá shoda všech epizod",
+  "MessageQuickMatchDescription": "Vyplnit prázdné detaily položky a obálky prvním výsledkem shody z '{0}'. Nepřepisuje detaily, pokud není povoleno nastavení serveru 'Preferovat shodná metadata'.",
   "MessageRemoveChapter": "Odstranit kapitolu",
   "MessageRemoveEpisodes": "Odstranit {0} epizodu",
   "MessageRemoveFromPlayerQueue": "Odstranit z fronty přehrávače",
@@ -848,10 +855,13 @@
   "MessageTaskFailedToMergeAudioFiles": "Spojení audio souborů selhalo",
   "MessageTaskFailedToMoveM4bFile": "Přesunutí m4b souboru selhalo",
   "MessageTaskFailedToWriteMetadataFile": "Zápis souboru metadat selhal",
+  "MessageTaskMatchingBooksInLibrary": "Párování knih v knihovně „{0}“",
   "MessageTaskNoFilesToScan": "Žádné soubory ke skenování",
   "MessageTaskOpmlImport": "Import OPML",
   "MessageTaskOpmlImportDescription": "Vytváření podcastů z {0} RSS feedů",
+  "MessageTaskOpmlImportFeed": "Importní zdroj OPML",
   "MessageTaskOpmlImportFeedDescription": "Importování RSS feedu \"{0}\"",
+  "MessageTaskOpmlImportFeedFailed": "Nepodařilo se získat kanál podcastu",
   "MessageTaskOpmlImportFeedPodcastDescription": "Vytváření podcastu \"{0}\"",
   "MessageTaskOpmlImportFeedPodcastExists": "Podcast se stejnou cestou již existuje",
   "MessageTaskOpmlImportFeedPodcastFailed": "Vytváření podcastu selhalo",
@@ -932,7 +942,6 @@
   "ToastChaptersHaveErrors": "Kapitoly obsahují chyby",
   "ToastChaptersMustHaveTitles": "Kapitoly musí mít názvy",
   "ToastChaptersRemoved": "Kapitoly odstraněny",
-  "ToastCollectionItemsRemoveSuccess": "Položky odstraněny z kolekce",
   "ToastCollectionRemoveSuccess": "Kolekce odstraněna",
   "ToastCollectionUpdateSuccess": "Kolekce aktualizována",
   "ToastCoverUpdateFailed": "Aktualizace obálky selhala",
diff --git a/client/strings/da.json b/client/strings/da.json
index b4b92bc8..d9c510af 100644
--- a/client/strings/da.json
+++ b/client/strings/da.json
@@ -19,6 +19,7 @@
   "ButtonChooseFiles": "Vælg filer",
   "ButtonClearFilter": "Ryd filter",
   "ButtonCloseFeed": "Luk feed",
+  "ButtonCloseSession": "Luk Åben Session",
   "ButtonCollections": "Samlinger",
   "ButtonConfigureScanner": "Konfigurer scanner",
   "ButtonCreate": "Opret",
@@ -29,7 +30,9 @@
   "ButtonEditChapters": "Rediger kapitler",
   "ButtonEditPodcast": "Rediger podcast",
   "ButtonEnable": "Aktiver",
-  "ButtonForceReScan": "Tvungen genindlæsning",
+  "ButtonFireAndFail": "Affyring Og Fejl",
+  "ButtonFireOnTest": "Affyring vedTest begivenhed",
+  "ButtonForceReScan": "Tving genindlæsning",
   "ButtonFullPath": "Fuld sti",
   "ButtonHide": "Skjul",
   "ButtonHome": "Hjem",
@@ -536,7 +539,6 @@
   "MessageItemsSelected": "{0} elementer valgt",
   "MessageItemsUpdated": "{0} elementer opdateret",
   "MessageJoinUsOn": "Deltag i os på",
-  "MessageListeningSessionsInTheLastYear": "{0} lyttesessioner i det sidste år",
   "MessageLoading": "Indlæser...",
   "MessageLoadingFolders": "Indlæser mapper...",
   "MessageM4BFailed": "M4B mislykkedes!",
@@ -637,7 +639,6 @@
   "ToastBookmarkUpdateSuccess": "Bogmærke opdateret",
   "ToastChaptersHaveErrors": "Kapitler har fejl",
   "ToastChaptersMustHaveTitles": "Kapitler skal have titler",
-  "ToastCollectionItemsRemoveSuccess": "Element(er) fjernet fra samlingen",
   "ToastCollectionRemoveSuccess": "Samling fjernet",
   "ToastCollectionUpdateSuccess": "Samling opdateret",
   "ToastItemCoverUpdateSuccess": "Varens omslag opdateret",
diff --git a/client/strings/de.json b/client/strings/de.json
index db298c75..9e276f18 100644
--- a/client/strings/de.json
+++ b/client/strings/de.json
@@ -771,7 +771,6 @@
   "MessageItemsSelected": "{0} ausgewählte Medien",
   "MessageItemsUpdated": "{0} Medien aktualisiert",
   "MessageJoinUsOn": "Besuche uns auf",
-  "MessageListeningSessionsInTheLastYear": "{0} Ereignisse im letzten Jahr",
   "MessageLoading": "Wird geladen …",
   "MessageLoadingFolders": "Lade Ordner...",
   "MessageLogsDescription": "Die Logs werdern in <code>/metadata/logs</code> als JSON Dateien gespeichert. Crash logs werden in <code>/metadata/logs/crash_logs.txt</code> gespeichert.",
@@ -959,8 +958,6 @@
   "ToastChaptersRemoved": "Kapitel entfernt",
   "ToastChaptersUpdated": "Kapitel aktualisiert",
   "ToastCollectionItemsAddFailed": "Das Hinzufügen von Element(en) zur Sammlung ist fehlgeschlagen",
-  "ToastCollectionItemsAddSuccess": "Element(e) erfolgreich zur Sammlung hinzugefügt",
-  "ToastCollectionItemsRemoveSuccess": "Medien aus der Sammlung entfernt",
   "ToastCollectionRemoveSuccess": "Sammlung entfernt",
   "ToastCollectionUpdateSuccess": "Sammlung aktualisiert",
   "ToastCoverUpdateFailed": "Cover-Update fehlgeschlagen",
diff --git a/client/strings/en-us.json b/client/strings/en-us.json
index a029fadb..f7af6aed 100644
--- a/client/strings/en-us.json
+++ b/client/strings/en-us.json
@@ -300,6 +300,7 @@
   "LabelDiscover": "Discover",
   "LabelDownload": "Download",
   "LabelDownloadNEpisodes": "Download {0} episodes",
+  "LabelDownloadable": "Downloadable",
   "LabelDuration": "Duration",
   "LabelDurationComparisonExactMatch": "(exact match)",
   "LabelDurationComparisonLonger": "({0} longer)",
@@ -588,6 +589,7 @@
   "LabelSettingsStoreMetadataWithItemHelp": "By default metadata files are stored in /metadata/items, enabling this setting will store metadata files in your library item folders",
   "LabelSettingsTimeFormat": "Time Format",
   "LabelShare": "Share",
+  "LabelShareDownloadableHelp": "Allows users with the share link to download a zip file of the library item.",
   "LabelShareOpen": "Share Open",
   "LabelShareURL": "Share URL",
   "LabelShowAll": "Show All",
@@ -756,6 +758,7 @@
   "MessageConfirmResetProgress": "Are you sure you want to reset your progress?",
   "MessageConfirmSendEbookToDevice": "Are you sure you want to send {0} ebook \"{1}\" to device \"{2}\"?",
   "MessageConfirmUnlinkOpenId": "Are you sure you want to unlink this user from OpenID?",
+  "MessageDaysListenedInTheLastYear": "{0} days listened in the last year",
   "MessageDownloadingEpisode": "Downloading episode",
   "MessageDragFilesIntoTrackOrder": "Drag files into correct track order",
   "MessageEmbedFailed": "Embed Failed!",
@@ -771,7 +774,6 @@
   "MessageItemsSelected": "{0} Items Selected",
   "MessageItemsUpdated": "{0} Items Updated",
   "MessageJoinUsOn": "Join us on",
-  "MessageListeningSessionsInTheLastYear": "{0} listening sessions in the last year",
   "MessageLoading": "Loading...",
   "MessageLoadingFolders": "Loading folders...",
   "MessageLogsDescription": "Logs are stored in <code>/metadata/logs</code> as JSON files. Crash logs are stored in <code>/metadata/logs/crash_logs.txt</code>.",
@@ -959,8 +961,6 @@
   "ToastChaptersRemoved": "Chapters removed",
   "ToastChaptersUpdated": "Chapters updated",
   "ToastCollectionItemsAddFailed": "Item(s) added to collection failed",
-  "ToastCollectionItemsAddSuccess": "Item(s) added to collection success",
-  "ToastCollectionItemsRemoveSuccess": "Item(s) removed from collection",
   "ToastCollectionRemoveSuccess": "Collection removed",
   "ToastCollectionUpdateSuccess": "Collection updated",
   "ToastCoverUpdateFailed": "Cover update failed",
diff --git a/client/strings/es.json b/client/strings/es.json
index fa4f8c45..6ef7ee8c 100644
--- a/client/strings/es.json
+++ b/client/strings/es.json
@@ -771,7 +771,6 @@
   "MessageItemsSelected": "{0} Elementos Seleccionados",
   "MessageItemsUpdated": "{0} Elementos Actualizados",
   "MessageJoinUsOn": "Únetenos en",
-  "MessageListeningSessionsInTheLastYear": "{0} sesiones de escucha en el último año",
   "MessageLoading": "Cargando...",
   "MessageLoadingFolders": "Cargando archivos...",
   "MessageLogsDescription": "Logs son almacenados en <code>/metadata/logs</code> en archivos bajo formato JSON. Logs de fallos son almacenados en <code>/metadata/logs/crash_logs.txt</code>.",
@@ -959,8 +958,6 @@
   "ToastChaptersRemoved": "Capítulos eliminados",
   "ToastChaptersUpdated": "Capítulos actualizados",
   "ToastCollectionItemsAddFailed": "Artículo(s) añadido(s) a la colección fallido(s)",
-  "ToastCollectionItemsAddSuccess": "Artículo(s) añadido(s) a la colección correctamente",
-  "ToastCollectionItemsRemoveSuccess": "Elementos(s) removidos de la colección",
   "ToastCollectionRemoveSuccess": "Colección removida",
   "ToastCollectionUpdateSuccess": "Colección actualizada",
   "ToastCoverUpdateFailed": "Error al actualizar la cubierta",
diff --git a/client/strings/et.json b/client/strings/et.json
index 8d256c01..bb1b0182 100644
--- a/client/strings/et.json
+++ b/client/strings/et.json
@@ -611,7 +611,6 @@
   "MessageItemsSelected": "{0} Valitud üksust",
   "MessageItemsUpdated": "{0} Üksust on uuendatud",
   "MessageJoinUsOn": "Liitu meiega",
-  "MessageListeningSessionsInTheLastYear": "Kuulamissessioone viimase aasta jooksul: {0}",
   "MessageLoading": "Laadimine...",
   "MessageLoadingFolders": "Kaustade laadimine...",
   "MessageM4BFailed": "M4B ebaõnnestus!",
@@ -713,7 +712,6 @@
   "ToastBookmarkUpdateSuccess": "Järjehoidja värskendatud",
   "ToastChaptersHaveErrors": "Peatükkidel on vigu",
   "ToastChaptersMustHaveTitles": "Peatükkidel peab olema pealkiri",
-  "ToastCollectionItemsRemoveSuccess": "Üksus(ed) eemaldatud kogumist",
   "ToastCollectionRemoveSuccess": "Kogum eemaldatud",
   "ToastCollectionUpdateSuccess": "Kogum värskendatud",
   "ToastItemCoverUpdateSuccess": "Üksuse kaas värskendatud",
diff --git a/client/strings/fr.json b/client/strings/fr.json
index 2c92bf7c..544bcc9b 100644
--- a/client/strings/fr.json
+++ b/client/strings/fr.json
@@ -765,7 +765,6 @@
   "MessageItemsSelected": "{0} éléments sélectionnés",
   "MessageItemsUpdated": "{0} éléments mis à jour",
   "MessageJoinUsOn": "Rejoignez-nous sur",
-  "MessageListeningSessionsInTheLastYear": "{0} sessions d’écoute l’an dernier",
   "MessageLoading": "Chargement…",
   "MessageLoadingFolders": "Chargement des dossiers…",
   "MessageLogsDescription": "Les journaux sont stockés dans <code>/metadata/logs</code> sous forme de fichiers JSON. Les journaux d’incidents sont stockés dans <code>/metadata/logs/crash_logs.txt</code>.",
@@ -953,8 +952,6 @@
   "ToastChaptersRemoved": "Chapitres supprimés",
   "ToastChaptersUpdated": "Chapitres mis à jour",
   "ToastCollectionItemsAddFailed": "Échec de l’ajout de(s) élément(s) à la collection",
-  "ToastCollectionItemsAddSuccess": "Ajout de(s) élément(s) à la collection réussi",
-  "ToastCollectionItemsRemoveSuccess": "Élément(s) supprimé(s) de la collection",
   "ToastCollectionRemoveSuccess": "Collection supprimée",
   "ToastCollectionUpdateSuccess": "Collection mise à jour",
   "ToastCoverUpdateFailed": "Échec de la mise à jour de la couverture",
diff --git a/client/strings/he.json b/client/strings/he.json
index a93d3f05..1bc87ace 100644
--- a/client/strings/he.json
+++ b/client/strings/he.json
@@ -642,7 +642,6 @@
   "MessageItemsSelected": "{0} פריטים נבחרו",
   "MessageItemsUpdated": "{0} פריטים עודכנו",
   "MessageJoinUsOn": "הצטרף אלינו ב-",
-  "MessageListeningSessionsInTheLastYear": "{0} מפגשי האזנה בשנה האחרונה",
   "MessageLoading": "טוען...",
   "MessageLoadingFolders": "טוען תיקיות...",
   "MessageM4BFailed": "M4B נכשל!",
@@ -744,7 +743,6 @@
   "ToastBookmarkUpdateSuccess": "הסימניה עודכנה בהצלחה",
   "ToastChaptersHaveErrors": "פרקים מכילים שגיאות",
   "ToastChaptersMustHaveTitles": "פרקים חייבים לכלול כותרות",
-  "ToastCollectionItemsRemoveSuccess": "הפריט(ים) הוסרו מהאוסף בהצלחה",
   "ToastCollectionRemoveSuccess": "האוסף הוסר בהצלחה",
   "ToastCollectionUpdateSuccess": "האוסף עודכן בהצלחה",
   "ToastItemCoverUpdateSuccess": "כריכת הפריט עודכנה בהצלחה",
diff --git a/client/strings/hr.json b/client/strings/hr.json
index bc66b8a5..f3946c58 100644
--- a/client/strings/hr.json
+++ b/client/strings/hr.json
@@ -771,7 +771,6 @@
   "MessageItemsSelected": "{0} odabranih stavki",
   "MessageItemsUpdated": "{0} stavki ažurirano",
   "MessageJoinUsOn": "Pridruži nam se na",
-  "MessageListeningSessionsInTheLastYear": "{0} slušanja u prošloj godini",
   "MessageLoading": "Učitavam...",
   "MessageLoadingFolders": "Učitavam mape...",
   "MessageLogsDescription": "Zapisnici se čuvaju u <code>/metadata/logs</code> u obliku JSON datoteka. Zapisnici pada sustava čuvaju se u datoteci <code>/metadata/logs/crash_logs.txt</code>.",
@@ -959,8 +958,6 @@
   "ToastChaptersRemoved": "Poglavlja uklonjena",
   "ToastChaptersUpdated": "Poglavlja su ažurirana",
   "ToastCollectionItemsAddFailed": "Neuspješno dodavanje stavki u zbirku",
-  "ToastCollectionItemsAddSuccess": "Uspješno dodavanje stavki u zbirku",
-  "ToastCollectionItemsRemoveSuccess": "Stavke izbrisane iz zbirke",
   "ToastCollectionRemoveSuccess": "Zbirka izbrisana",
   "ToastCollectionUpdateSuccess": "Zbirka ažurirana",
   "ToastCoverUpdateFailed": "Ažuriranje naslovnice nije uspjelo",
diff --git a/client/strings/hu.json b/client/strings/hu.json
index 4aa24095..492bddfb 100644
--- a/client/strings/hu.json
+++ b/client/strings/hu.json
@@ -206,7 +206,7 @@
   "HeaderUpdateDetails": "Részletek frissítése",
   "HeaderUpdateLibrary": "Könyvtár frissítése",
   "HeaderUsers": "Felhasználók",
-  "HeaderYearReview": "{0} év áttekintése",
+  "HeaderYearReview": "{0} év visszatekintése",
   "HeaderYourStats": "Saját statisztikák",
   "LabelAbridged": "Tömörített",
   "LabelAbridgedChecked": "Rövidített (ellenőrizve)",
@@ -478,7 +478,7 @@
   "LabelPermissionsDownload": "Letölthet",
   "LabelPermissionsUpdate": "Frissíthet",
   "LabelPermissionsUpload": "Feltölthet",
-  "LabelPersonalYearReview": "Az éved áttekintése ({0})",
+  "LabelPersonalYearReview": "Az évvisszatekintésed ({0})",
   "LabelPhotoPathURL": "Fénykép útvonal/URL",
   "LabelPlayMethod": "Lejátszási módszer",
   "LabelPlayerChapterNumberMarker": "{0} a {1} -ből",
@@ -539,7 +539,7 @@
   "LabelSeriesName": "Sorozat neve",
   "LabelSeriesProgress": "Sorozat haladása",
   "LabelServerLogLevel": "Kiszolgáló naplózási szint",
-  "LabelServerYearReview": "Szerver évértékelő ({0})",
+  "LabelServerYearReview": "Szerver évvisszatekintés ({0})",
   "LabelSetEbookAsPrimary": "Beállítás elsődlegesként",
   "LabelSetEbookAsSupplementary": "Beállítás kiegészítőként",
   "LabelSettingsAllowIframe": "A beágyazás engedélyezése egy iframe-be",
@@ -684,8 +684,8 @@
   "LabelWeekdaysToRun": "Futás napjai",
   "LabelXBooks": "{0} könyv",
   "LabelXItems": "{0} elem",
-  "LabelYearReviewHide": "Évértékelő elrejtése",
-  "LabelYearReviewShow": "Évértékelés megtekintése",
+  "LabelYearReviewHide": "Az évvisszatekintés elrejtése",
+  "LabelYearReviewShow": "Évvisszatekintés megtekintése",
   "LabelYourAudiobookDuration": "Hangoskönyv időtartama",
   "LabelYourBookmarks": "Könyvjelzőid",
   "LabelYourPlaylists": "Lejátszási listáid",
@@ -764,7 +764,6 @@
   "MessageItemsSelected": "{0} kiválasztott elem",
   "MessageItemsUpdated": "{0} frissített elem",
   "MessageJoinUsOn": "Csatlakozzon hozzánk a",
-  "MessageListeningSessionsInTheLastYear": "{0} hallgatási munkamenet az elmúlt évben",
   "MessageLoading": "Betöltés...",
   "MessageLoadingFolders": "Mappák betöltése...",
   "MessageLogsDescription": "A naplók a <code>/metadata/logs</code> mappában JSON-fájlokként tárolódnak. Az összeomlási naplók a <code>/metadata/logs/crash_logs.txt</code> fájlban tárolódnak.",
@@ -910,7 +909,7 @@
   "StatsTopNarrator": "TOP ELŐADÓ",
   "StatsTopNarrators": "TOP ELŐADÓ",
   "StatsTotalDuration": "A teljes időtartam…",
-  "StatsYearInReview": "ÉVÉRTÉKELÉS",
+  "StatsYearInReview": "ÉVVISSZATEKINTÉS",
   "ToastAccountUpdateSuccess": "Fiók frissítve",
   "ToastAppriseUrlRequired": "Meg kell adnia egy Apprise URL-címet",
   "ToastAsinRequired": "ASIN kötelező",
@@ -945,7 +944,6 @@
   "ToastChaptersMustHaveTitles": "A fejezeteknek címekkel kell rendelkezniük",
   "ToastChaptersRemoved": "Fejezetek eltávolítva",
   "ToastChaptersUpdated": "Fejezetek frissítve",
-  "ToastCollectionItemsRemoveSuccess": "Elem(ek) eltávolítva a gyűjteményből",
   "ToastCollectionRemoveSuccess": "Gyűjtemény eltávolítva",
   "ToastCollectionUpdateSuccess": "Gyűjtemény frissítve",
   "ToastCoverUpdateFailed": "A borító frissítése nem sikerült",
diff --git a/client/strings/it.json b/client/strings/it.json
index 70490e3b..1fdb3ac5 100644
--- a/client/strings/it.json
+++ b/client/strings/it.json
@@ -762,7 +762,6 @@
   "MessageItemsSelected": "{0} oggetti Selezionati",
   "MessageItemsUpdated": "{0} Oggetti aggiornati",
   "MessageJoinUsOn": "Unisciti a noi su",
-  "MessageListeningSessionsInTheLastYear": "{0} sessioni di ascolto nell'ultimo anno",
   "MessageLoading": "Caricamento…",
   "MessageLoadingFolders": "Caricamento Cartelle...",
   "MessageLogsDescription": "I log vengono archiviati nel percorso <code>/metadata/logs</code> as JSON files. I registri degli arresti anomali vengono archiviati nel percorso <code>/metadata/logs/crash_logs.txt</code>.",
@@ -950,8 +949,6 @@
   "ToastChaptersRemoved": "Capitoli rimossi",
   "ToastChaptersUpdated": "Capitoli aggiornati",
   "ToastCollectionItemsAddFailed": "l'aggiunta dell'elemento(i) alla raccolta non è riuscito",
-  "ToastCollectionItemsAddSuccess": "L'aggiunta dell'elemento(i) alla raccolta è riuscito",
-  "ToastCollectionItemsRemoveSuccess": "Oggetto(i) rimossi dalla Raccolta",
   "ToastCollectionRemoveSuccess": "Collezione rimossa",
   "ToastCollectionUpdateSuccess": "Raccolta aggiornata",
   "ToastCoverUpdateFailed": "Aggiornamento cover fallito",
diff --git a/client/strings/lt.json b/client/strings/lt.json
index 9fe65e3a..41718145 100644
--- a/client/strings/lt.json
+++ b/client/strings/lt.json
@@ -104,7 +104,7 @@
   "ButtonViewAll": "Peržiūrėti visus",
   "ButtonYes": "Taip",
   "ErrorUploadFetchMetadataAPI": "Klaida gaunant metaduomenis",
-  "ErrorUploadFetchMetadataNoResults": "Nepavyko gauti metaduomenų - pabandykite atnaujinti pavadinimą ir/ar autorių.",
+  "ErrorUploadFetchMetadataNoResults": "Nepavyko gauti metaduomenų - pabandykite atnaujinti pavadinimą ir/ar autorių",
   "ErrorUploadLacksTitle": "Pavadinimas yra privalomas",
   "HeaderAccount": "Paskyra",
   "HeaderAdvanced": "Papildomi",
@@ -419,7 +419,7 @@
   "LabelSettingsExperimentalFeatures": "Eksperimentiniai funkcionalumai",
   "LabelSettingsExperimentalFeaturesHelp": "Funkcijos, kurios yra kuriamos ir laukiami jūsų komentarai. Spustelėkite, kad atidarytumėte „GitHub“ diskusiją.",
   "LabelSettingsFindCovers": "Rasti viršelius",
-  "LabelSettingsFindCoversHelp": "Jei jūsų audioknyga neturi įterpto viršelio arba viršelio paveikslėlio aplanke, bandyti rasti viršelį.<br>Pastaba: Tai padidins skenavimo trukmę.",
+  "LabelSettingsFindCoversHelp": "Jei jūsų audioknyga neturi įterpto viršelio arba viršelio paveikslėlio aplanke, bandyti rasti viršelį.<br>Pastaba: Tai padidins skenavimo trukmę",
   "LabelSettingsHideSingleBookSeries": "Slėpti serijas, turinčias tik vieną knygą",
   "LabelSettingsHideSingleBookSeriesHelp": "Serijos, turinčios tik vieną knygą, bus paslėptos nuo serijų puslapio ir pagrindinio puslapio lentynų.",
   "LabelSettingsHomePageBookshelfView": "Naudoti pagrindinio puslapio knygų lentynų vaizdą",
@@ -563,7 +563,6 @@
   "MessageItemsSelected": "Pasirinkti {0} elementai (-ų)",
   "MessageItemsUpdated": "Atnaujinti {0} elementai (-ų)",
   "MessageJoinUsOn": "Prisijunkite prie mūsų",
-  "MessageListeningSessionsInTheLastYear": "{0} klausymo sesijų per paskutinius metus",
   "MessageLoading": "Kraunama...",
   "MessageLoadingFolders": "Kraunami aplankai...",
   "MessageM4BFailed": "M4B Nepavyko!",
@@ -666,8 +665,6 @@
   "ToastChaptersMustHaveTitles": "Skyriai turi turėti pavadinimus",
   "ToastChaptersRemoved": "Skyriai pašalinti",
   "ToastCollectionItemsAddFailed": "Nepavyko pridėti į kolekciją",
-  "ToastCollectionItemsAddSuccess": "Pridėta į kolekciją",
-  "ToastCollectionItemsRemoveSuccess": "Elementai pašalinti iš kolekcijos",
   "ToastCollectionRemoveSuccess": "Kolekcija pašalinta",
   "ToastCollectionUpdateSuccess": "Kolekcija atnaujinta",
   "ToastCoverUpdateFailed": "Viršelio atnaujinimas nepavyko",
diff --git a/client/strings/nl.json b/client/strings/nl.json
index bc5a40ca..33e330e1 100644
--- a/client/strings/nl.json
+++ b/client/strings/nl.json
@@ -758,7 +758,6 @@
   "MessageItemsSelected": "{0} onderdelen geselecteerd",
   "MessageItemsUpdated": "{0} onderdelen bijgewerkt",
   "MessageJoinUsOn": "Doe mee op",
-  "MessageListeningSessionsInTheLastYear": "{0} luistersessies in het laatste jaar",
   "MessageLoading": "Aan het laden...",
   "MessageLoadingFolders": "Mappen aan het laden...",
   "MessageLogsDescription": "Logs worden opgeslagen in <code>/metadata/logs</code> als JSON-bestanden. Crashlogs worden opgeslagen in <code>/metadata/logs/crash_logs.txt</code>.",
@@ -946,8 +945,6 @@
   "ToastChaptersRemoved": "Hoofdstukken verwijderd",
   "ToastChaptersUpdated": "Hoofdstukken bijgewerkt",
   "ToastCollectionItemsAddFailed": "Item(s) toegevoegd aan collectie mislukt",
-  "ToastCollectionItemsAddSuccess": "Item(s) toegevoegd aan collectie gelukt",
-  "ToastCollectionItemsRemoveSuccess": "Onderdeel (of onderdelen) verwijderd uit collectie",
   "ToastCollectionRemoveSuccess": "Collectie verwijderd",
   "ToastCollectionUpdateSuccess": "Collectie bijgewerkt",
   "ToastCoverUpdateFailed": "Cover update mislukt",
diff --git a/client/strings/no.json b/client/strings/no.json
index 592991b4..592a8ee4 100644
--- a/client/strings/no.json
+++ b/client/strings/no.json
@@ -29,13 +29,16 @@
   "ButtonEdit": "Rediger",
   "ButtonEditChapters": "Rediger kapittel",
   "ButtonEditPodcast": "Rediger podcast",
+  "ButtonEnable": "Aktiver",
+  "ButtonFireAndFail": "Kjør ved feil",
+  "ButtonFireOnTest": "Kjør onTest-kommando",
   "ButtonForceReScan": "Tving skann",
   "ButtonFullPath": "Full sti",
   "ButtonHide": "Gjøm",
   "ButtonHome": "Hjem",
   "ButtonIssues": "Problemer",
-  "ButtonJumpBackward": "Hopp Bakover",
-  "ButtonJumpForward": "Hopp Fremover",
+  "ButtonJumpBackward": "Hopp bakover",
+  "ButtonJumpForward": "Hopp frem",
   "ButtonLatest": "Siste",
   "ButtonLibrary": "Bibliotek",
   "ButtonLogout": "Logg ut",
@@ -45,24 +48,31 @@
   "ButtonMatchAllAuthors": "Søk opp alle forfattere",
   "ButtonMatchBooks": "Søk opp bøker",
   "ButtonNevermind": "Avbryt",
+  "ButtonNext": "Neste",
   "ButtonNextChapter": "Neste Kapittel",
+  "ButtonNextItemInQueue": "Neste element i køen",
+  "ButtonOk": "Ok",
   "ButtonOpenFeed": "Åpne Feed",
   "ButtonOpenManager": "Åpne behandler",
+  "ButtonPause": "Pause",
   "ButtonPlay": "Spill av",
+  "ButtonPlayAll": "Spill av alle",
   "ButtonPlaying": "Spiller av",
   "ButtonPlaylists": "Spillelister",
   "ButtonPrevious": "Forrige",
   "ButtonPreviousChapter": "Forrige Kapittel",
+  "ButtonProbeAudioFile": "Analyser lydfil",
   "ButtonPurgeAllCache": "Tøm alle mellomlager",
   "ButtonPurgeItemsCache": "Tøm mellomlager",
   "ButtonQueueAddItem": "Legg til kø",
   "ButtonQueueRemoveItem": "Fjern fra kø",
-  "ButtonQuickEmbedMetadata": "Hurtig Innbygging Av Metadata",
+  "ButtonQuickEmbed": "Hurtiginnbygging",
+  "ButtonQuickEmbedMetadata": "Bygg inn metadata",
   "ButtonQuickMatch": "Kjapt søk",
   "ButtonReScan": "Skann på nytt",
   "ButtonRead": "Les",
-  "ButtonReadLess": "Les Mindre",
-  "ButtonReadMore": "Les Mer",
+  "ButtonReadLess": "Vis mindre",
+  "ButtonReadMore": "Vis mer",
   "ButtonRefresh": "Oppdater",
   "ButtonRemove": "Fjern",
   "ButtonRemoveAll": "Fjern alle",
@@ -71,12 +81,15 @@
   "ButtonRemoveFromContinueReading": "Fjern fra Fortsett å lese",
   "ButtonRemoveSeriesFromContinueSeries": "Fjern serie fra Fortsett serie",
   "ButtonReset": "Nullstill",
+  "ButtonResetToDefault": "Tilbakestill til standard",
   "ButtonRestore": "Gjenopprett",
   "ButtonSave": "Lagre",
   "ButtonSaveAndClose": "Lagre og lukk",
   "ButtonSaveTracklist": "Lagre spilleliste",
   "ButtonScan": "Skann",
   "ButtonScanLibrary": "Skann bibliotek",
+  "ButtonScrollLeft": "Rull til venstre",
+  "ButtonScrollRight": "Rull til høyre",
   "ButtonSearch": "Søk",
   "ButtonSelectFolderPath": "Velg mappe",
   "ButtonSeries": "Serier",
@@ -88,20 +101,26 @@
   "ButtonStartMetadataEmbed": "Start Metadata innbaking",
   "ButtonStats": "Statistikk",
   "ButtonSubmit": "Send inn",
+  "ButtonTest": "Test",
+  "ButtonUnlinkOpenId": "Koble fra OpenID",
   "ButtonUpload": "Last opp",
   "ButtonUploadBackup": "Last opp sikkerhetskopi",
   "ButtonUploadCover": "Last opp cover",
   "ButtonUploadOPMLFile": "Last opp OPML fil",
   "ButtonUserDelete": "Slett bruker {0}",
   "ButtonUserEdit": "Rediger bruker {0}",
-  "ButtonViewAll": "Vis alt",
+  "ButtonViewAll": "Vis alle",
   "ButtonYes": "Ja",
   "ErrorUploadFetchMetadataAPI": "Feil ved innhenting av metadata",
+  "ErrorUploadFetchMetadataNoResults": "Kunne ikke hente metadata - forsøk å oppdatere tittel og/eller forfatter",
+  "ErrorUploadLacksTitle": "Tittel kreves",
   "HeaderAccount": "Konto",
+  "HeaderAddCustomMetadataProvider": "Legg til egendefinert metadata tilbyder",
   "HeaderAdvanced": "Avansert",
-  "HeaderAppriseNotificationSettings": "Apprise notifikasjonsinstillinger",
+  "HeaderAppriseNotificationSettings": "Apprise varslingsinstillinger",
   "HeaderAudioTracks": "Lydspor",
   "HeaderAudiobookTools": "Lydbok Filbehandlingsverktøy",
+  "HeaderAuthentication": "Autentisering",
   "HeaderBackups": "Sikkerhetskopier",
   "HeaderChangePassword": "Bytt passord",
   "HeaderChapters": "Kapittel",
@@ -110,6 +129,8 @@
   "HeaderCollectionItems": "Samlingsgjenstander",
   "HeaderCover": "Omslag",
   "HeaderCurrentDownloads": "Aktive nedlastinger",
+  "HeaderCustomMessageOnLogin": "Egendefinert melding ved pålogging",
+  "HeaderCustomMetadataProviders": "Egendefinerte metadata tilbydere",
   "HeaderDetails": "Detaljer",
   "HeaderDownloadQueue": "Last ned kø",
   "HeaderEbookFiles": "Ebook filer",
@@ -140,12 +161,17 @@
   "HeaderMetadataToEmbed": "Metadata å bake inn",
   "HeaderNewAccount": "Ny konto",
   "HeaderNewLibrary": "Ny bibliotek",
-  "HeaderNotifications": "Notifikasjoner",
+  "HeaderNotificationCreate": "Opprett varsling",
+  "HeaderNotificationUpdate": "Oppdater varsling",
+  "HeaderNotifications": "Varslinger",
   "HeaderOpenIDConnectAuthentication": "Autentisering med OpenID Connect",
+  "HeaderOpenListeningSessions": "Åpne lyttesesjoner",
   "HeaderOpenRSSFeed": "Åpne RSS Feed",
   "HeaderOtherFiles": "Andre filer",
+  "HeaderPasswordAuthentication": "Logg inn med brukernavn og passord",
   "HeaderPermissions": "Rettigheter",
   "HeaderPlayerQueue": "Spiller kø",
+  "HeaderPlayerSettings": "Avspillingsinnstillinger",
   "HeaderPlaylist": "Spilleliste",
   "HeaderPlaylistItems": "Spillelisteelement",
   "HeaderPodcastsToAdd": "Podcaster å legge til",
@@ -157,6 +183,7 @@
   "HeaderRemoveEpisodes": "Fjern {0} episoder",
   "HeaderSavedMediaProgress": "Lagret mediefremgang",
   "HeaderSchedule": "Timeplan",
+  "HeaderScheduleEpisodeDownloads": "Planlegg automatisk nedlasting av episoder",
   "HeaderScheduleLibraryScans": "Planlegg automatisk bibliotek skann",
   "HeaderSession": "Sesjon",
   "HeaderSetBackupSchedule": "Sett timeplan for sikkerhetskopi",
@@ -165,6 +192,7 @@
   "HeaderSettingsExperimental": "Eksperimentelle funksjoner",
   "HeaderSettingsGeneral": "Generell",
   "HeaderSettingsScanner": "Skanner",
+  "HeaderSettingsWebClient": "Webklient",
   "HeaderSleepTimer": "Sove timer",
   "HeaderStatsLargestItems": "Største enheter",
   "HeaderStatsLongestItems": "Lengste enheter (timer)",
@@ -179,9 +207,14 @@
   "HeaderUpdateDetails": "Oppdater detaljer",
   "HeaderUpdateLibrary": "Oppdater bibliotek",
   "HeaderUsers": "Brukere",
+  "HeaderYearReview": "{0} oppsummert",
   "HeaderYourStats": "Din statistikk",
   "LabelAbridged": "Forkortet",
+  "LabelAbridgedChecked": "Forkortet (valgt)",
+  "LabelAbridgedUnchecked": "Forkortet (ikke valgt)",
+  "LabelAccessibleBy": "Tilgjengelig via",
   "LabelAccountType": "Kontotype",
+  "LabelAccountTypeAdmin": "Administrator",
   "LabelAccountTypeGuest": "Gjest",
   "LabelAccountTypeUser": "Bruker",
   "LabelActivity": "Aktivitet",
@@ -190,32 +223,55 @@
   "LabelAddToPlaylist": "Legg til i spilleliste",
   "LabelAddToPlaylistBatch": "Legg {0} enheter til i spilleliste",
   "LabelAddedAt": "Lagt Til",
+  "LabelAddedDate": "La til {0}",
+  "LabelAdminUsersOnly": "Kun administratorer",
   "LabelAll": "Alle",
   "LabelAllUsers": "Alle brukere",
+  "LabelAllUsersExcludingGuests": "Alle brukere bortsett fra gjester",
+  "LabelAllUsersIncludingGuests": "Alle brukere inkludert gjester",
   "LabelAlreadyInYourLibrary": "Allerede i biblioteket",
+  "LabelApiToken": "API token",
   "LabelAppend": "Legge til",
+  "LabelAudioBitrate": "Bitrate for lyd (f.eks. 128k)",
+  "LabelAudioChannels": "Lydkanaler (1 eller 2)",
+  "LabelAudioCodec": "Audio Codec",
   "LabelAuthor": "Forfatter",
   "LabelAuthorFirstLast": "Forfatter (Fornavn Etternavn)",
   "LabelAuthorLastFirst": "Forfatter (Etternavn Fornavn)",
   "LabelAuthors": "Forfattere",
   "LabelAutoDownloadEpisodes": "Last ned episoder automatisk",
+  "LabelAutoFetchMetadata": "Automatisk henting av metadata",
+  "LabelAutoFetchMetadataHelp": "Henter metadata for tittel, forfatter og serie for å optimalisere opplasting. Ekstra metadata må kanskje bekreftes etter opplasting.",
+  "LabelAutoLaunch": "Autostart",
+  "LabelAutoLaunchDescription": "Omdiriger til leverandør for innlogging automatisk når innloggingssiden åpnes. (Kan overstyres med <code>/login?autoLaunch=0</code>)",
+  "LabelAutoRegister": "Automatisk registrering",
+  "LabelAutoRegisterDescription": "Lag bruker automatisk ved første innlogging",
   "LabelBackToUser": "Tilbake til bruker",
+  "LabelBackupAudioFiles": "Sikkerhetskopier lydfiler",
+  "LabelBackupLocation": "Mappe for sikkerhetskopiering",
   "LabelBackupsEnableAutomaticBackups": "Aktiver automatisk sikkerhetskopi",
   "LabelBackupsEnableAutomaticBackupsHelp": "Sikkerhetskopier lagret under /metadata/backups",
-  "LabelBackupsMaxBackupSize": "Maks sikkerhetskopi størrelse (i GB)",
+  "LabelBackupsMaxBackupSize": "Maksimal størrelse for sikkerhetskopi (i GB) (0 for ubegrenset)",
   "LabelBackupsMaxBackupSizeHelp": "For å forhindre feilkonfigurasjon, vil sikkerhetskopier mislykkes hvis de oveskride konfigurert størrelse.",
   "LabelBackupsNumberToKeep": "Antall sikkerhetskopier som skal beholdes",
   "LabelBackupsNumberToKeepHelp": "Kun 1 sikkerhetskopi vil bli fjernet om gangen, hvis du allerede har flere sikkerhetskopier enn dette bør du fjerne de manuelt.",
   "LabelBitrate": "Bithastighet",
+  "LabelBonus": "Bonus",
   "LabelBooks": "Bøker",
+  "LabelButtonText": "Tekst på knappen",
+  "LabelByAuthor": "av {0}",
   "LabelChangePassword": "Endre passord",
   "LabelChannels": "Kanaler",
+  "LabelChapterCount": "{0} kapitler",
   "LabelChapterTitle": "Kapittel tittel",
   "LabelChapters": "Kapitler",
   "LabelChaptersFound": "kapitler funnet",
+  "LabelClickForMoreInfo": "Klikk for mer informasjon",
+  "LabelClickToUseCurrentValue": "Klikk for å bruke valgt verdi",
   "LabelClosePlayer": "Lukk spiller",
   "LabelCodec": "Kodek",
   "LabelCollapseSeries": "Minimer serier",
+  "LabelCollapseSubSeries": "Skjul underserier",
   "LabelCollection": "Samling",
   "LabelCollections": "Samlings",
   "LabelComplete": "Fullfør",
@@ -232,58 +288,94 @@
   "LabelCustomCronExpression": "Tilpasset Cron utrykk:",
   "LabelDatetime": "Dato tid",
   "LabelDays": "Dager",
+  "LabelDeleteFromFileSystemCheckbox": "Slett fra filsystemet (fjern haken for kun å ta bort fra databasen)",
   "LabelDescription": "Beskrivelse",
   "LabelDeselectAll": "Fjern valg",
   "LabelDevice": "Enhet",
   "LabelDeviceInfo": "Enhetsinformasjon",
+  "LabelDeviceIsAvailableTo": "Enheten er tilgjengelig for...",
   "LabelDirectory": "Mappe",
   "LabelDiscFromFilename": "Disk fra filnavn",
   "LabelDiscFromMetadata": "Disk fra metadata",
-  "LabelDiscover": "Oppdagelse",
+  "LabelDiscover": "Oppdag",
   "LabelDownload": "Last ned",
   "LabelDownloadNEpisodes": "Last ned {0} episoder",
   "LabelDuration": "Varighet",
+  "LabelDurationComparisonExactMatch": "(nøyaktig treff)",
+  "LabelDurationComparisonLonger": "({0} lenger)",
+  "LabelDurationComparisonShorter": "({0} kortere)",
   "LabelDurationFound": "Varighet funnet:",
   "LabelEbook": "Ebok",
   "LabelEbooks": "E-bøker",
   "LabelEdit": "Rediger",
   "LabelEmail": "Epost",
   "LabelEmailSettingsFromAddress": "Fra Adresse",
+  "LabelEmailSettingsRejectUnauthorized": "Avvis uautoriserte sertifikat",
+  "LabelEmailSettingsRejectUnauthorizedHelp": "Ved å deaktivere sjekk av SSL sertifikat eksponerer man tilkoblingen for sikkerhetsrisiko, som for eksempel mann-i-midten-angrep. Slå av kun om du forstår implikasjonene og stoler på e-post-serveren du kobler til!",
   "LabelEmailSettingsSecure": "Sikker",
   "LabelEmailSettingsSecureHelp": "Hvis aktivert, vil tilkoblingen bruke TLS under tilkobling til tjeneren. Ellers vil TLS bli brukt hvis tjeneren støtter STARTTLS utvidelsen. I de fleste tilfeller aktiver valget hvis du kobler til med port 465. Med port 587 eller 25 deaktiver valget. (fra nodemailer.com/smtp/#authentication)",
   "LabelEmailSettingsTestAddress": "Test Adresse",
   "LabelEmbeddedCover": "Bak inn omslag",
   "LabelEnable": "Aktiver",
+  "LabelEncodingBackupLocation": "En sikkerhetskopi av de originale lyd-filene lagres i mappen:",
+  "LabelEncodingChaptersNotEmbedded": "Kapitler er ikke bygget inn i flersporede lydbøker.",
+  "LabelEncodingClearItemCache": "Husk å tømme mellomlageret med jevne mellomrom.",
+  "LabelEncodingFinishedM4B": "Ferdig konvertert M4B-lydbøker legges i lydbok-mappen:",
+  "LabelEncodingInfoEmbedded": "Metadata bygges inn i lydsporene i lydbokmappen.",
+  "LabelEncodingStartedNavigation": "Så snart oppgaven er startet kan du navigere bort fra denne siden.",
+  "LabelEncodingTimeWarning": "Konvertering kan ta opptil 30 minutter.",
+  "LabelEncodingWarningAdvancedSettings": "Advarsel: Ikke oppdater disse innstillingene med mindre du er godt kjent med hvordan ffmpeg og konverteringsvalgene fungerer.",
+  "LabelEncodingWatcherDisabled": "Hvis du har slått av overvåking så må du skanne dette biblioteket på nytt etterpå.",
   "LabelEnd": "Slutt",
   "LabelEndOfChapter": "Slutt på kapittel",
+  "LabelEpisode": "Episode",
+  "LabelEpisodeNotLinkedToRssFeed": "Episode er ikke koblet til en RSS feed",
+  "LabelEpisodeNumber": "Episode #{0}",
   "LabelEpisodeTitle": "Episode tittel",
   "LabelEpisodeType": "Episode type",
+  "LabelEpisodeUrlFromRssFeed": "Episode URL fra RSS feed",
+  "LabelEpisodes": "Episoder",
+  "LabelEpisodic": "Episodisk",
   "LabelExample": "Eksempel",
+  "LabelExpandSeries": "Vis serie",
+  "LabelExpandSubSeries": "Vis underserie",
   "LabelExplicit": "Eksplisitt",
+  "LabelExplicitChecked": "Eksplisitt (avhuket)",
+  "LabelExplicitUnchecked": "Ikke eksplisitt (ikke avhuket)",
   "LabelExportOPML": "Eksporter OPML",
   "LabelFeedURL": "Feed Adresse",
+  "LabelFetchingMetadata": "Henter metadata",
   "LabelFile": "Fil",
   "LabelFileBirthtime": "Fil Opprettelsesdato",
+  "LabelFileBornDate": "Født {0}",
   "LabelFileModified": "Fil Endret",
+  "LabelFileModifiedDate": "Redigert {0}",
   "LabelFilename": "Filnavn",
   "LabelFilterByUser": "Filtrer etter bruker",
   "LabelFindEpisodes": "Finn episoder",
   "LabelFinished": "Fullført",
   "LabelFolder": "Mappe",
   "LabelFolders": "Mapper",
+  "LabelFontBold": "Fet",
   "LabelFontBoldness": "Skrifttykkelse",
   "LabelFontFamily": "Fontfamilie",
+  "LabelFontItalic": "Kursiv",
   "LabelFontScale": "Font størrelse",
+  "LabelFontStrikethrough": "Gjennomstreking",
+  "LabelFormat": "Format",
+  "LabelFull": "Full",
   "LabelGenre": "Sjanger",
   "LabelGenres": "Sjangers",
   "LabelHardDeleteFile": "Tving sletting av fil",
   "LabelHasEbook": "Har e-bok",
   "LabelHasSupplementaryEbook": "Har komplimentær e-bok",
   "LabelHideSubtitles": "Skjul undertekster",
+  "LabelHighestPriority": "Høyeste prioritet",
   "LabelHost": "Tjener",
   "LabelHour": "Time",
   "LabelHours": "Timer",
   "LabelIcon": "Ikon",
+  "LabelImageURLFromTheWeb": "Bilde-URL fra nett",
   "LabelInProgress": "I gang",
   "LabelIncludeInTracklist": "Inkluder i sporliste",
   "LabelIncomplete": "Ufullstendig",
@@ -298,8 +390,11 @@
   "LabelIntervalEveryHour": "Hver time",
   "LabelInvert": "Inverter",
   "LabelItem": "Enhet",
+  "LabelJumpBackwardAmount": "Hopp bakover med",
+  "LabelJumpForwardAmount": "Hopp forover med",
   "LabelLanguage": "Språk",
   "LabelLanguageDefaultServer": "Standard tjener språk",
+  "LabelLanguages": "Språk",
   "LabelLastBookAdded": "Siste bok lagt til",
   "LabelLastBookUpdated": "Siste bok oppdatert",
   "LabelLastSeen": "Sist sett",
@@ -311,17 +406,36 @@
   "LabelLess": "Mindre",
   "LabelLibrariesAccessibleToUser": "Biblioteker tilgjengelig for bruker",
   "LabelLibrary": "Bibliotek",
+  "LabelLibraryFilterSublistEmpty": "",
   "LabelLibraryItem": "Bibliotek enhet",
   "LabelLibraryName": "Bibliotek navn",
   "LabelLimit": "Begrensning",
   "LabelLineSpacing": "Linjemellomrom",
   "LabelListenAgain": "Lytt igjen",
+  "LabelLogLevelDebug": "Debug",
+  "LabelLogLevelInfo": "Info",
+  "LabelLogLevelWarn": "Warn",
   "LabelLookForNewEpisodesAfterDate": "Se etter nye episoder etter denne datoen",
+  "LabelLowestPriority": "Laveste prioritet",
+  "LabelMatchExistingUsersBy": "Knytt sammen eksisterende brukere basert på",
+  "LabelMatchExistingUsersByDescription": "Brukes for å koble til eksisterende brukere. Når koblingen er i orden vil brukerne bli identifisert med en unik id fra SSO-tilbyderen.",
+  "LabelMaxEpisodesToDownload": "Maksimalt antall episoder som skal lastes ned. Bruk 0 for ubegrenset.",
+  "LabelMaxEpisodesToDownloadPerCheck": "Maksimalt antall nye episoder som skal lastes ned per sjekk",
+  "LabelMaxEpisodesToKeep": "Maksimalt antall episoder som skal beholdes",
+  "LabelMaxEpisodesToKeepHelp": "Sett verdien til null (0) for ubegrenset. Etter at en episode lastes ned automatisk, så slettes den eldste episoden, om du har mer enn X episoder. Det slettes kun én episode per nye nedlasting.",
   "LabelMediaPlayer": "Mediespiller",
   "LabelMediaType": "Medie type",
+  "LabelMetaTag": "Meta tag",
+  "LabelMetaTags": "Meta tags",
+  "LabelMetadataOrderOfPrecedenceDescription": "Høyere prioritert kilder for metadata overstyrer laverer prioriterte kilder for metadata.",
   "LabelMetadataProvider": "Metadata Leverandør",
   "LabelMinute": "Minutt",
+  "LabelMinutes": "Minutter",
   "LabelMissing": "Mangler",
+  "LabelMissingEbook": "Har ingen e-bok",
+  "LabelMissingSupplementaryEbook": "Har ingen komplementær e-bok",
+  "LabelMobileRedirectURIs": "Tillatte URL-er for vidersending",
+  "LabelMobileRedirectURIsDescription": "Dette er en liste over godkjente videresendings-URL-er for mobil-apper. Standarden er <code>audiobookshelf://oauth</code>, som du kan fjerne eller supplere med ekstra URL-er for tredjeparts app-integrasjoner. For å tillate alle URL-er kan du bruke kun en (<code>*</code>) .",
   "LabelMore": "Mer",
   "LabelMoreInfo": "Mer info",
   "LabelName": "Navn",
@@ -333,6 +447,7 @@
   "LabelNewestEpisodes": "Nyeste episoder",
   "LabelNextBackupDate": "Neste sikkerhetskopi dato",
   "LabelNextScheduledRun": "Neste planlagte kjøring",
+  "LabelNoCustomMetadataProviders": "Ingen egendefinerte tilbydere for metadata",
   "LabelNoEpisodesSelected": "Ingen episoder valgt",
   "LabelNotFinished": "Ikke fullført",
   "LabelNotStarted": "Ikke startet",
@@ -340,66 +455,95 @@
   "LabelNotificationAppriseURL": "Apprise URL(er)",
   "LabelNotificationAvailableVariables": "Tilgjengelige variabler",
   "LabelNotificationBodyTemplate": "Kroppsmal",
-  "LabelNotificationEvent": "Notifikasjons hendelse",
+  "LabelNotificationEvent": "Varsling",
   "LabelNotificationTitleTemplate": "Tittel mal",
   "LabelNotificationsMaxFailedAttempts": "Maks mislykkede forsøk",
-  "LabelNotificationsMaxFailedAttemptsHelp": "Notifikasjoner er deaktivert når de mislykkes på sende dette flere ganger",
-  "LabelNotificationsMaxQueueSize": "Maks kø lengde for Notifikasjonshendelser",
-  "LabelNotificationsMaxQueueSizeHelp": "Hendelser er begrenset til avfyre 1 gang per sekund. Hendelser vil bli ignorert om køen er full. Dette forhindrer Notifikasjon spam.",
+  "LabelNotificationsMaxFailedAttemptsHelp": "Varslinger deaktiveres når sending feiles dette antallet ganger",
+  "LabelNotificationsMaxQueueSize": "Maksimalt antall varslinger i kø",
+  "LabelNotificationsMaxQueueSizeHelp": "Hendelser er begrenset til avfyre én gang per sekund. Hendelser blir ignorert om køen er full. Dette forhindrer overflod av varslinger.",
   "LabelNumberOfBooks": "Antall bøker",
   "LabelNumberOfEpisodes": "Antall episoder",
+  "LabelOpenIDClaims": "La følge valg være tomme for å slå av avanserte gruppe og tillatelser. Gruppen \"Bruker\" vil da også automatisk legges til.",
   "LabelOpenRSSFeed": "Åpne RSS Feed",
   "LabelOverwrite": "Overskriv",
+  "LabelPaginationPageXOfY": "Side {0} av {1}",
   "LabelPassword": "Passord",
   "LabelPath": "Sti",
   "LabelPermanent": "Fast",
   "LabelPermissionsAccessAllLibraries": "Har tilgang til alle bibliotek",
   "LabelPermissionsAccessAllTags": "Har til gang til alle tags",
   "LabelPermissionsAccessExplicitContent": "Har tilgang til eksplisitt material",
+  "LabelPermissionsCreateEreader": "Kan opprette e-leser",
   "LabelPermissionsDelete": "Kan slette",
   "LabelPermissionsDownload": "Kan laste ned",
   "LabelPermissionsUpdate": "Kan oppdatere",
   "LabelPermissionsUpload": "Kan laste opp",
+  "LabelPersonalYearReview": "Oppsummering av året ditt ({0})",
   "LabelPhotoPathURL": "Bilde sti/URL",
   "LabelPlayMethod": "Avspillingsmetode",
+  "LabelPlayerChapterNumberMarker": "{0} av {1}",
   "LabelPlaylists": "Spilleliste",
+  "LabelPodcast": "Podcast",
   "LabelPodcastSearchRegion": "Podcast-søkeområde",
   "LabelPodcastType": "Podcast type",
   "LabelPodcasts": "Podcaster",
+  "LabelPort": "Port",
   "LabelPrefixesToIgnore": "Prefiks som skal ignoreres (skiller ikke mellom store og små bokstaver)",
   "LabelPreventIndexing": "Forhindre at din feed fra å bli indeksert av iTunes og Google podcast kataloger",
   "LabelPrimaryEbook": "Primær ebok",
   "LabelProgress": "Framgang",
   "LabelProvider": "Tilbyder",
+  "LabelProviderAuthorizationValue": "Autorisasjons header-verdi",
   "LabelPubDate": "Publiseringsdato",
   "LabelPublishYear": "Publikasjonsår",
+  "LabelPublishedDate": "Publisert {0}",
+  "LabelPublishedDecade": "Tiår for utgivelse",
+  "LabelPublishedDecades": "Tiår for utgivelse",
   "LabelPublisher": "Forlegger",
+  "LabelPublishers": "Utgivere",
   "LabelRSSFeedCustomOwnerEmail": "Tilpasset eier e-post",
   "LabelRSSFeedCustomOwnerName": "Tilpasset eier Navn",
   "LabelRSSFeedOpen": "RSS Feed åpne",
   "LabelRSSFeedPreventIndexing": "Forhindre indeksering",
-  "LabelRSSFeedSlug": "RSS-informasjonskanalunderadresse",
+  "LabelRSSFeedSlug": "RSS-feed ID",
+  "LabelRSSFeedURL": "RSS-feed URL",
+  "LabelRandomly": "Tilfeldig",
+  "LabelReAddSeriesToContinueListening": "Legg til igjen til \"Fortsett å lytte\"",
   "LabelRead": "Les",
   "LabelReadAgain": "Les igjen",
   "LabelReadEbookWithoutProgress": "Les ebok uten å beholde fremgang",
   "LabelRecentSeries": "Nylige serier",
   "LabelRecentlyAdded": "Nylig tillagt",
   "LabelRecommended": "Anbefalte",
+  "LabelRedo": "Gjenta",
+  "LabelRegion": "Region",
   "LabelReleaseDate": "Utgivelsesdato",
+  "LabelRemoveAllMetadataAbs": "Fjern alle metadata.abs filer",
+  "LabelRemoveAllMetadataJson": "Fjern alle metadata.json filer",
   "LabelRemoveCover": "Fjern omslag",
+  "LabelRemoveMetadataFile": "Fjern metadata-filer fra biblioteks-mapper",
+  "LabelRemoveMetadataFileHelp": "Fjern alle metadata.json og metadata.abs i alle {0} mappene.",
+  "LabelRowsPerPage": "Rader per side",
   "LabelSearchTerm": "Søkeord",
   "LabelSearchTitle": "Søk tittel",
   "LabelSearchTitleOrASIN": "Søk tittel eller ASIN",
   "LabelSeason": "Sesong",
+  "LabelSeasonNumber": "Sesong #{0}",
+  "LabelSelectAll": "Velg alt",
   "LabelSelectAllEpisodes": "Velg alle episoder",
   "LabelSelectEpisodesShowing": "Velg {0} episoder vist",
+  "LabelSelectUsers": "Velg brukere",
   "LabelSendEbookToDevice": "Send Ebok til...",
   "LabelSequence": "Sekvens",
+  "LabelSerial": "Serienr.",
   "LabelSeries": "Serier",
   "LabelSeriesName": "Serier Navn",
   "LabelSeriesProgress": "Serier fremgang",
+  "LabelServerLogLevel": "Server logg-nivå",
+  "LabelServerYearReview": "Server - Oppsummering av året ({0})",
   "LabelSetEbookAsPrimary": "Sett som primær",
   "LabelSetEbookAsSupplementary": "Sett som supplerende",
+  "LabelSettingsAllowIframe": "Tillat å bygge inn i en iframe",
   "LabelSettingsAudiobooksOnly": "Kun lydbøker",
   "LabelSettingsAudiobooksOnlyHelp": "Aktivering av dette valget til ignorere ebok filer utenom de er i en lydbok mappe hvor de vil bli satt som supplerende ebøker",
   "LabelSettingsBookshelfViewHelp": "Skeuomorf design med hyller av ved",
@@ -411,6 +555,8 @@
   "LabelSettingsEnableWatcher": "Aktiver overvåker",
   "LabelSettingsEnableWatcherForLibrary": "Aktiver mappe overvåker for bibliotek",
   "LabelSettingsEnableWatcherHelp": "Aktiverer automatisk opprettelse/oppdatering av enheter når filendringer er oppdaget. *Krever restart av server*",
+  "LabelSettingsEpubsAllowScriptedContent": "Tillat scripting i innholdet i ebub-bøker",
+  "LabelSettingsEpubsAllowScriptedContentHelp": "Tillat epub-filer å kjøre script. Det er anbefalt å slå av denne innstillingen med mindre du stoler på kilden til epub-filene.",
   "LabelSettingsExperimentalFeatures": "Eksperimentelle funksjoner",
   "LabelSettingsExperimentalFeaturesHelp": "Funksjoner under utvikling som kan trenge din tilbakemelding og hjelp med testing. Klikk for å åpne GitHub diskusjon.",
   "LabelSettingsFindCovers": "Finn omslag",
@@ -419,8 +565,13 @@
   "LabelSettingsHideSingleBookSeriesHelp": "Serier som har kun en bok vil bli gjemt på serie- og hjemmeside hyllen.",
   "LabelSettingsHomePageBookshelfView": "Hjemmeside bruk bokhyllevisning",
   "LabelSettingsLibraryBookshelfView": "Bibliotek bruk bokhyllevisning",
+  "LabelSettingsLibraryMarkAsFinishedPercentComplete": "Prosent ferdig er større enn",
+  "LabelSettingsLibraryMarkAsFinishedTimeRemaining": "Gjenværende tid er mindre enn (sekunder)",
+  "LabelSettingsLibraryMarkAsFinishedWhen": "Marker som ferdig når",
+  "LabelSettingsOnlyShowLaterBooksInContinueSeries": "Hopp over tidligere bøker i \"Fortsett serien\"",
+  "LabelSettingsOnlyShowLaterBooksInContinueSeriesHelp": "\"Fortsett serie\"-siden viser første bok som ikke er påbegynt i serier der en bok er lest og ingen bøker leses nå. Ved å slå på denne innstillingen så vil man fortsette på serien etter siste leste bok, fremfor første bok som ikke er startet på i en serie.",
   "LabelSettingsParseSubtitles": "Analyser undertekster",
-  "LabelSettingsParseSubtitlesHelp": "Trekk ut undertekster fra lydbok mappenavn.<br>undertekster må være separert med \" - \"<br>f.eks. \"Boktittel - Undertekst her\" har Undertekst \"Undertekst her\"",
+  "LabelSettingsParseSubtitlesHelp": "Hent undertittel fra lydbokens mappenavn.<br>Undertittel må være separert med \" - \"<br>f.eks. \"Boktittel - En lengre tittel\" har undertittel \"En lengre tittel\".",
   "LabelSettingsPreferMatchedMetadata": "Foretrekk funnet metadata",
   "LabelSettingsPreferMatchedMetadataHelp": "Funnet data vil overskrive enhetens detaljene når man bruker Kjapt søk. Som standard vil Kjapt søk kun fylle inn manglende detaljer.",
   "LabelSettingsSkipMatchingBooksWithASIN": "Hopp over bøker som allerede har ASIN",
@@ -435,10 +586,17 @@
   "LabelSettingsStoreMetadataWithItemHelp": "Som standard vil metadata bli lagret under /metadata/items, aktiveres dette valget vil metadata bli lagret i samme mappe som gjenstanden",
   "LabelSettingsTimeFormat": "Tid format",
   "LabelShare": "Dele",
+  "LabelShareOpen": "Åpne deling",
   "LabelShareURL": "Dele URL",
-  "LabelShowAll": "Vis alt",
+  "LabelShowAll": "Vis alle",
+  "LabelShowSeconds": "Vis sekunder",
+  "LabelShowSubtitles": "Vis undertitler",
   "LabelSize": "Størrelse",
   "LabelSleepTimer": "Sove-timer",
+  "LabelSlug": "Slug",
+  "LabelSortAscending": "Stigende",
+  "LabelSortDescending": "Synkende",
+  "LabelStart": "Start",
   "LabelStartTime": "Start Tid",
   "LabelStarted": "Startet",
   "LabelStartedAt": "Startet",
@@ -459,15 +617,24 @@
   "LabelStatsWeekListening": "Uker lyttet",
   "LabelSubtitle": "undertekster",
   "LabelSupportedFileTypes": "Støttede filtyper",
+  "LabelTag": "Tag",
   "LabelTags": "Tagger",
   "LabelTagsAccessibleToUser": "Tagger tilgjengelig for bruker",
   "LabelTagsNotAccessibleToUser": "Tagger ikke tilgjengelig for bruker",
   "LabelTasks": "Oppgaver som kjører",
+  "LabelTextEditorBulletedList": "Punkt-liste",
+  "LabelTextEditorLink": "Link",
+  "LabelTextEditorNumberedList": "Nummerert liste",
+  "LabelTextEditorUnlink": "Fjern link",
   "LabelTheme": "Tema",
   "LabelThemeDark": "Mørk",
   "LabelThemeLight": "Lys",
   "LabelTimeBase": "Tidsbase",
+  "LabelTimeDurationXHours": "{0} timer",
+  "LabelTimeDurationXMinutes": "{0} minutter",
+  "LabelTimeDurationXSeconds": "{0} sekunder",
   "LabelTimeInMinutes": "Timer i minutter",
+  "LabelTimeLeft": "{0} gjenstår",
   "LabelTimeListened": "Tid lyttet",
   "LabelTimeListenedToday": "Tid lyttet idag",
   "LabelTimeRemaining": "{0} gjennstående",
@@ -475,6 +642,7 @@
   "LabelTitle": "Tittel",
   "LabelToolsEmbedMetadata": "Bak inn metadata",
   "LabelToolsEmbedMetadataDescription": "Bak inn metadata i lydfilen, inkludert omslagsbilde og kapitler.",
+  "LabelToolsM4bEncoder": "M4B enkoder",
   "LabelToolsMakeM4b": "Lag M4B Lydbokfil",
   "LabelToolsMakeM4bDescription": "Lager en.M4B lydbokfil med innbakte omslagsbilde og kapitler.",
   "LabelToolsSplitM4b": "Del M4B inn i MP3er",
@@ -487,39 +655,56 @@
   "LabelTracksMultiTrack": "Flerspor",
   "LabelTracksNone": "Ingen spor",
   "LabelTracksSingleTrack": "Enkelspor",
+  "LabelTrailer": "Trailer",
+  "LabelType": "Type",
   "LabelUnabridged": "Uavkortet",
+  "LabelUndo": "Angre",
   "LabelUnknown": "Ukjent",
+  "LabelUnknownPublishDate": "Ukjent publiseringsdato",
   "LabelUpdateCover": "Oppdater omslag",
   "LabelUpdateCoverHelp": "Tillat overskriving av eksisterende omslag for de valgte bøkene når en lik bok er funnet",
   "LabelUpdateDetails": "Oppdater detaljer",
   "LabelUpdateDetailsHelp": "Tillat overskriving av eksisterende detaljer for de valgte bøkene når en lik bok er funnet",
   "LabelUpdatedAt": "Oppdatert",
   "LabelUploaderDragAndDrop": "Dra og slipp filer eller mapper",
+  "LabelUploaderDragAndDropFilesOnly": "Dra & slipp filer",
   "LabelUploaderDropFiles": "Slipp filer",
+  "LabelUploaderItemFetchMetadataHelp": "Hent tittel, forfatter og serie automatisk",
+  "LabelUseAdvancedOptions": "Bruk avanserte valg",
   "LabelUseChapterTrack": "Bruk kapittelspor",
   "LabelUseFullTrack": "Bruke hele sporet",
+  "LabelUseZeroForUnlimited": "Bruk 0 for ubegrenset",
   "LabelUser": "Bruker",
   "LabelUsername": "Brukernavn",
   "LabelValue": "Verdi",
   "LabelVersion": "Versjon",
   "LabelViewBookmarks": "Vis bokmerker",
   "LabelViewChapters": "Vis kapitler",
+  "LabelViewPlayerSettings": "Vis innstillinger for avspiller",
   "LabelViewQueue": "Vis spillerkø",
   "LabelVolume": "Volum",
+  "LabelWebRedirectURLsDescription": "Godkjenn disse URL-ene hos OAuth-tilbyder for å tillate videresending til web-appen etter innlogging:",
+  "LabelWebRedirectURLsSubfolder": "Undermapper for videresendings-URL-er",
   "LabelWeekdaysToRun": "Ukedager å kjøre",
+  "LabelXBooks": "{0} bøker",
+  "LabelXItems": "{0} elementer",
+  "LabelYearReviewHide": "Skjul oppsummering av året",
+  "LabelYearReviewShow": "Vis oppsummering av året",
   "LabelYourAudiobookDuration": "Din lydbok lengde",
   "LabelYourBookmarks": "Dine bokmerker",
   "LabelYourPlaylists": "Dine spillelister",
   "LabelYourProgress": "Din fremgang",
   "MessageAddToPlayerQueue": "Legg til i kø",
-  "MessageAppriseDescription": "For å bruke denne funksjonen trenger du en instans av <a href=\"https://github.com/caronc/apprise-api\" target=\"_blank\">Apprise API</a> kjørende eller ett api som vil håndere disse forespørslene. <br />Apprise API Url skal være den fulle URL stien for å sende Notifikasjonen, f.eks., hvis din API instans er hos <code>http://192.168.1.1:8337</code> vil du bruke <code>http://192.168.1.1:8337/notify</code>.",
+  "MessageAppriseDescription": "For å bruke denne funksjonen trenger du en instans av <a href=\"https://github.com/caronc/apprise-api\" target=\"_blank\">Apprise API</a> kjørende eller et API som håndterer disse forespørslene. <br />Apprise API URL skal være hele URL-en til varslingen, f.eks., hvis din API-instans er på <code>http://192.168.1.1:8337</code> så skal du bruke <code>http://192.168.1.1:8337/notify</code>.",
   "MessageBackupsDescription": "Sikkerhetskopier inkluderer, brukerfremgang, detaljer om bibliotekgjenstander, tjener instillinger og bilder lagret under <code>/metadata/items</code> og <code>/metadata/authors</code>. Sikkerhetskopier <strong>vil ikke</strong> inkludere filer som er lagret i bibliotek mappene.",
-  "MessageBackupsLocationEditNote": "Merk: Endring av sikkerhetskopieringssted hverken endrer eller flytter eksisterende sikkerhetskopier",
-  "MessageBackupsLocationPathEmpty": "Sti til sikkerhetskopieringssted må angis",
+  "MessageBackupsLocationEditNote": "Viktig: Endring av mappen for sikkerhetskopi hverken endrer eller flytter eksisterende sikkerhetskopier!",
+  "MessageBackupsLocationNoEditNote": "NB: Mappen for sikkerhetskopi settes i en miljøvariabel og kan ikke endres her.",
+  "MessageBackupsLocationPathEmpty": "Mappen for sikkerhetskopiering må angis",
   "MessageBatchQuickMatchDescription": "Kjapt søk vil forsøke å legge til manglende omslag og metadata for de valgte gjenstandene. Aktiver dette valget for å tillate Kjapt søk til å overskrive eksisterende omslag og/eller metadata.",
   "MessageBookshelfNoCollections": "Du har ikke laget noen samlinger ennå",
   "MessageBookshelfNoRSSFeeds": "Ingen RSS feed er åpen",
   "MessageBookshelfNoResultsForFilter": "Ingen resultat for filter \"{0}: {1}\"",
+  "MessageBookshelfNoResultsForQuery": "Ingen resultater for søket",
   "MessageBookshelfNoSeries": "Du har ingen serier",
   "MessageChapterEndIsAfter": "Kapittel slutt er etter slutt av lydboken",
   "MessageChapterErrorFirstNotZero": "Første kapittel starter på 0",
@@ -529,18 +714,35 @@
   "MessageCheckingCron": "Sjekker cron...",
   "MessageConfirmCloseFeed": "Er du sikker på at du vil lukke denne feeden?",
   "MessageConfirmDeleteBackup": "Er du sikker på at du vil slette sikkerhetskopi for {0}?",
+  "MessageConfirmDeleteDevice": "Er du sikker på at du vil slette e-leser enheten \"{0}\"?",
   "MessageConfirmDeleteFile": "Dette vil slette filen fra filsystemet. Er du sikker?",
   "MessageConfirmDeleteLibrary": "Er du sikker på at du vil slette biblioteket \"{0}\" for godt?",
+  "MessageConfirmDeleteLibraryItem": "Nå slettes elementet fra databasen og fil-systemet. Er du sikker?",
+  "MessageConfirmDeleteLibraryItems": "Nå slettes {0} elementer fra databasen og fil-systemet. Er du sikker?",
+  "MessageConfirmDeleteMetadataProvider": "Er du sikker på at du vil slette den egendefinerte leverandøren av metadata: \"{0}\"?",
+  "MessageConfirmDeleteNotification": "Er du sikker på at du vil slette dette varselet?",
   "MessageConfirmDeleteSession": "Er du sikker på at du vil slette denne sesjonen?",
+  "MessageConfirmEmbedMetadataInAudioFiles": "Er du sikker på at du vil legge til metadata i {0} lyd-filer?",
   "MessageConfirmForceReScan": "Er du sikker på at du vil tvinge en ny skann?",
   "MessageConfirmMarkAllEpisodesFinished": "Er du sikker på at du vil markere alle episodene som fullført?",
   "MessageConfirmMarkAllEpisodesNotFinished": "Er du sikker på at du vil markere alle episodene som ikke fullført?",
+  "MessageConfirmMarkItemFinished": "Er du sikker på at du vil markere {0} som ferdig?",
+  "MessageConfirmMarkItemNotFinished": "Er du sikker på at du vil markere {0} som ikke ferdig?",
   "MessageConfirmMarkSeriesFinished": "Er du sikker på at du vil markere alle bøkene i serien som fullført?",
   "MessageConfirmMarkSeriesNotFinished": "Er du sikker på at du vil markere alle bøkene i serien som ikke fullført?",
+  "MessageConfirmNotificationTestTrigger": "Utløs dette varselet med test-data?",
+  "MessageConfirmPurgeCache": "(Purge cache) Dette vil sletter hele mappen  <code>/metadata/cache</code>. <br /><br />Er du sikker på at du du vil slette cache-mappen?",
+  "MessageConfirmPurgeItemsCache": "(Purge items cache) Dette vil sletter hele mappen <code>/metadata/cache/items</code>.<br />Er du sikker?",
+  "MessageConfirmQuickEmbed": "Advarsel! Rask innbygging av metadata tar ikke backup av lyd-filene først. Forsikre deg om at du har sikkerhetskopi av filene. <br><br> Fortsett?",
+  "MessageConfirmQuickMatchEpisodes": "Hurtig gjenkjenning av episoder overskriver detaljene hvis en match blir funnet. Kun episoder som ikke allerede er matchet blir oppdatert. Er du sikker?",
+  "MessageConfirmReScanLibraryItems": "Er du sikker på at du ønsker å skanne {0} elementer på nytt?",
   "MessageConfirmRemoveAllChapters": "Er du sikker på at du vil fjerne alle kapitler?",
+  "MessageConfirmRemoveAuthor": "Er du sikker på at du vil fjerne forfatteren \"{0}\"?",
   "MessageConfirmRemoveCollection": "Er du sikker på at du vil fjerne samling\"{0}\"?",
   "MessageConfirmRemoveEpisode": "Er du sikker på at du vil fjerne episode \"{0}\"?",
   "MessageConfirmRemoveEpisodes": "Er du sikker på at du vil fjerne {0} episoder?",
+  "MessageConfirmRemoveListeningSessions": "Er du sikker på at du vil fjerne {0} lytte-sesjoner?",
+  "MessageConfirmRemoveMetadataFiles": "Er du sikker på at du vil fjerne alle metadata.{0}-filer i mappene for biblioteks-elementer?",
   "MessageConfirmRemoveNarrator": "Er du sikker på at du vil fjerne forteller \"{0}\"?",
   "MessageConfirmRemovePlaylist": "Er du sikker på at du vil fjerne spillelisten \"{0}\"?",
   "MessageConfirmRenameGenre": "Er du sikker på at du vil endre sjanger \"{0}\" til \"{1}\" for alle gjenstandene?",
@@ -549,11 +751,16 @@
   "MessageConfirmRenameTag": "Er du sikker på at du vil endre tag \"{0}\" til \"{1}\" for alle gjenstandene?",
   "MessageConfirmRenameTagMergeNote": "Notis: Denne taggen finnes allerede så de vil bli slått sammen.",
   "MessageConfirmRenameTagWarning": "Advarsel! En lignende tag eksisterer allerede (med forsjellige store / små bokstaver) \"{0}\".",
+  "MessageConfirmResetProgress": "Er du sikkert på at du vil tilbakestille fremgangen?",
   "MessageConfirmSendEbookToDevice": "Er du sikker på at du vil sende {0} ebok \"{1}\" til enhet \"{2}\"?",
+  "MessageConfirmUnlinkOpenId": "Er du sikker på at du vil koble denne brukeren fra OpenID?",
   "MessageDownloadingEpisode": "Laster ned episode",
   "MessageDragFilesIntoTrackOrder": "Dra filene i rett spor rekkefølge",
+  "MessageEmbedFailed": "Innbygging feilet!",
   "MessageEmbedFinished": "Bak inn Fullført!",
+  "MessageEmbedQueue": "Lagt i køen for innbygging av metadata ({0} i kø)",
   "MessageEpisodesQueuedForDownload": "{0} Episode(r) lagt til i kø for nedlasting",
+  "MessageEreaderDevices": "For å sikre sendingen av e-bøker, så må du kanskje legge til e-postadressen over som en gyldig avsender for hver enhet i listen over.",
   "MessageFeedURLWillBe": "Feed URL vil bli {0}",
   "MessageFetching": "Henter...",
   "MessageForceReScanDescription": "vil skanne alle filene igjen som en ny skann. Lyd fil ID3 tagger, OPF filer og tekstfiler vil bli skannet som nye.",
@@ -562,7 +769,6 @@
   "MessageItemsSelected": "{0} Gjenstander valgt",
   "MessageItemsUpdated": "{0} Gjenstander oppdatert",
   "MessageJoinUsOn": "Følg oss nå",
-  "MessageListeningSessionsInTheLastYear": "{0} Lyttesesjoner iløpet av siste året",
   "MessageLoading": "Laster...",
   "MessageLoadingFolders": "Laster mapper...",
   "MessageM4BFailed": "M4B mislykkes!",
@@ -593,7 +799,7 @@
   "MessageNoListeningSessions": "Ingen Lyttesesjoner",
   "MessageNoLogs": "Ingen logger",
   "MessageNoMediaProgress": "Ingen mediefremgang",
-  "MessageNoNotifications": "Ingen notifikasjoner",
+  "MessageNoNotifications": "Ingen varslinger",
   "MessageNoPodcastsFound": "Ingen podcaster funnet",
   "MessageNoResults": "Ingen resultat",
   "MessageNoSearchResultsFor": "Ingen søkeresultat for \"{0}\"",
@@ -648,30 +854,64 @@
   "ToastAuthorUpdateMerged": "Forfatter slått sammen",
   "ToastAuthorUpdateSuccess": "Forfatter oppdatert",
   "ToastAuthorUpdateSuccessNoImageFound": "Forfatter oppdater (ingen bilde funnet)",
+  "ToastBackupAppliedSuccess": "Sikkerhetskopi slått på",
   "ToastBackupCreateFailed": "Mislykkes å lage sikkerhetskopi",
   "ToastBackupCreateSuccess": "Sikkerhetskopi opprettet",
   "ToastBackupDeleteFailed": "Mislykkes å slette sikkerhetskopi",
   "ToastBackupDeleteSuccess": "Sikkerhetskopi slettet",
+  "ToastBackupInvalidMaxKeep": "Ugyldig antall sikkerhetskopier ønskes beholdt",
+  "ToastBackupInvalidMaxSize": "Ugyldig maksimal størrelse for sikkerhetskopi",
   "ToastBackupRestoreFailed": "Misslykkes å gjenopprette sikkerhetskopi",
   "ToastBackupUploadFailed": "Misslykkes å laste opp sikkerhetskopi",
   "ToastBackupUploadSuccess": "Sikkerhetskopi lastet opp",
+  "ToastBatchDeleteFailed": "Sletting feilet på utvalget",
+  "ToastBatchDeleteSuccess": "Sletting av samling utført",
+  "ToastBatchQuickMatchFailed": "Feil ved rask integrering av metadata!",
+  "ToastBatchQuickMatchStarted": "Rask integrering av metadata for {0} bøker startet!",
   "ToastBatchUpdateFailed": "Bulk oppdatering mislykket",
   "ToastBatchUpdateSuccess": "Bulk oppdatering fullført",
   "ToastBookmarkCreateFailed": "Misslykkes å opprette bokmerke",
   "ToastBookmarkCreateSuccess": "Bokmerke lagt til",
   "ToastBookmarkRemoveSuccess": "Bokmerke fjernet",
   "ToastBookmarkUpdateSuccess": "Bokmerke oppdatert",
+  "ToastCachePurgeFailed": "Kunne ikke å slette mellomlager",
+  "ToastCachePurgeSuccess": "Mellomlager slettet",
   "ToastChaptersHaveErrors": "Kapittel har feil",
   "ToastChaptersMustHaveTitles": "Kapittel må ha titler",
-  "ToastCollectionItemsRemoveSuccess": "Gjenstand(er) fjernet fra samling",
+  "ToastChaptersRemoved": "Kapitler fjernet",
+  "ToastChaptersUpdated": "Kapitler oppdatert",
+  "ToastCollectionItemsAddFailed": "Feil med å legge til element(er)",
   "ToastCollectionRemoveSuccess": "Samling fjernet",
   "ToastCollectionUpdateSuccess": "samlingupdated",
+  "ToastCoverUpdateFailed": "Oppdatering av bilde feilet",
+  "ToastDeleteFileFailed": "Kunne ikke slette fil",
+  "ToastDeleteFileSuccess": "Fil slettet",
+  "ToastDeviceAddFailed": "Kunne ikke legge til enhet",
+  "ToastDeviceNameAlreadyExists": "E-leser med dette navnet eksisterer allerede",
+  "ToastDeviceTestEmailFailed": "Kunne ikke sende test e-post",
+  "ToastDeviceTestEmailSuccess": "E-post for testing er sendt",
+  "ToastEmailSettingsUpdateSuccess": "Innstillinger for e-post oppdatert",
+  "ToastEncodeCancelFailed": "Kunne ikke stoppe konverteringen",
+  "ToastEncodeCancelSucces": "Konvertering kansellert",
+  "ToastEpisodeDownloadQueueClearFailed": "Kunne ikke tømme køen",
+  "ToastEpisodeDownloadQueueClearSuccess": "Nedlastingskø for eposider tømt",
+  "ToastEpisodeUpdateSuccess": "{0} episoder oppdatert",
+  "ToastFailedToLoadData": "Kunne ikke laste inn data",
+  "ToastFailedToMatch": "Kunne ikke matche",
+  "ToastFailedToShare": "Deling feilet",
+  "ToastFailedToUpdate": "Oppdatering feilet",
+  "ToastInvalidImageUrl": "Ugyldig URL for bilde",
+  "ToastInvalidMaxEpisodesToDownload": "Ugyldig maksimalt antall for nedlasting av episoder",
+  "ToastInvalidUrl": "Ugyldig URL",
   "ToastItemCoverUpdateSuccess": "Omslag oppdatert",
+  "ToastItemDeletedFailed": "Kunne ikke slette element",
+  "ToastItemDeletedSuccess": "Element slettet",
   "ToastItemDetailsUpdateSuccess": "Detaljer oppdatert",
   "ToastItemMarkedAsFinishedFailed": "Misslykkes å markere som Fullført",
   "ToastItemMarkedAsFinishedSuccess": "Gjenstand marker som Fullført",
   "ToastItemMarkedAsNotFinishedFailed": "Misslykkes å markere som Ikke Fullført",
   "ToastItemMarkedAsNotFinishedSuccess": "Markert som Ikke Fullført",
+  "ToastItemUpdateSuccess": "Element oppdatert",
   "ToastLibraryCreateFailed": "Misslykkes å opprette bibliotek",
   "ToastLibraryCreateSuccess": "Bibliotek \"{0}\" opprettet",
   "ToastLibraryDeleteFailed": "Misslykkes å slette bibliotek",
@@ -679,25 +919,83 @@
   "ToastLibraryScanFailedToStart": "Misslykkes å starte skann",
   "ToastLibraryScanStarted": "Bibliotek skann startet",
   "ToastLibraryUpdateSuccess": "Bibliotek \"{0}\" oppdatert",
+  "ToastMatchAllAuthorsFailed": "Kunne ikke finne match for alle forfattere",
+  "ToastMetadataFilesRemovedError": "Feil ved fjerning av metadata.{0}-filer",
+  "ToastMetadataFilesRemovedNoneFound": "Ingen metata.{0}-filer funnet i biblioteket",
+  "ToastMetadataFilesRemovedNoneRemoved": "Ingen metata.{0}-filer fjernet",
+  "ToastMetadataFilesRemovedSuccess": "{0} metata.{1}-filer fjernet",
+  "ToastMustHaveAtLeastOnePath": "Påkrevd med minst én mappe",
+  "ToastNameEmailRequired": "Navn og e-post påkrevd",
+  "ToastNameRequired": "Navn er påkrevd",
+  "ToastNewEpisodesFound": "{0} nye episoder funnet",
+  "ToastNewUserCreatedFailed": "Kunne ikke opprette konto: \"{0}\"",
+  "ToastNewUserCreatedSuccess": "Ny konto opprettet",
+  "ToastNewUserLibraryError": "Velg minst ett bibliotek",
+  "ToastNewUserPasswordError": "Passord kreves. Kun root-bruker kan ha blankt passord",
+  "ToastNewUserTagError": "Velg minst en tag",
+  "ToastNewUserUsernameError": "Skriv inn brukernavn",
+  "ToastNoNewEpisodesFound": "Ingen nye episoder funnet",
+  "ToastNoUpdatesNecessary": "Ingen oppdateringer nødvendig",
+  "ToastNotificationCreateFailed": "Kunne ikke opprette varsling",
+  "ToastNotificationDeleteFailed": "Kunne ikke slette varsling",
+  "ToastNotificationFailedMaximum": "Maksimalt antall forsøk som feiler må være større eller lik null (0)",
+  "ToastNotificationQueueMaximum": "Maksimal størrelse på varsel-kø må være større eller lik null (0)",
+  "ToastNotificationSettingsUpdateSuccess": "Innstillinger for varsling oppdatert",
+  "ToastNotificationTestTriggerFailed": "Kunne ikke utløse test-varsel",
+  "ToastNotificationTestTriggerSuccess": "Test-varsel utløst",
+  "ToastNotificationUpdateSuccess": "Varsel oppdatert",
   "ToastPlaylistCreateFailed": "Misslykkes å opprette spilleliste",
   "ToastPlaylistCreateSuccess": "Spilleliste opprettet",
   "ToastPlaylistRemoveSuccess": "Spilleliste fjernet",
   "ToastPlaylistUpdateSuccess": "Spilleliste oppdatert",
   "ToastPodcastCreateFailed": "Misslykkes å opprette podcast",
   "ToastPodcastCreateSuccess": "Podcast opprettet",
+  "ToastPodcastGetFeedFailed": "Kunne ikke hente podcast-feed",
+  "ToastPodcastNoEpisodesInFeed": "Ingen episoder funnet i RSS-feed",
+  "ToastPodcastNoRssFeed": "Podcast har ingen RSS-feed",
+  "ToastProgressIsNotBeingSynced": "Progresjon synkroniserer ikke, start avspilling på nytt",
+  "ToastProviderCreatedFailed": "Kunne ikke legge til tilbyder",
+  "ToastProviderCreatedSuccess": "Ny tilbyder lagt til",
+  "ToastProviderNameAndUrlRequired": "Navn og URL er påkrevd",
+  "ToastProviderRemoveSuccess": "Tilbyder fjernet",
   "ToastRSSFeedCloseFailed": "Misslykkes å lukke RSS feed",
   "ToastRSSFeedCloseSuccess": "RSS feed lukket",
+  "ToastRemoveFailed": "Kunne ikke fjerne",
   "ToastRemoveItemFromCollectionFailed": "Misslykkes å fjerne gjenstsand fra samling",
   "ToastRemoveItemFromCollectionSuccess": "Gjenstand fjernet fra samling",
+  "ToastRemoveItemsWithIssuesFailed": "Kunne ikke fjerne bibliotek-elementer med feil",
+  "ToastRemoveItemsWithIssuesSuccess": "Fjernet bibliotek-elementer med feil",
+  "ToastRenameFailed": "Kunne ikke endre navn",
+  "ToastRescanFailed": "Ny skanning feilet for {0}",
+  "ToastRescanRemoved": "Ny skanning utført og element fjernet",
+  "ToastRescanUpToDate": "Ny skanning utført og element var oppdatert",
+  "ToastRescanUpdated": "Ny skanning utført og element oppdatert",
+  "ToastScanFailed": "Kunne ikke skanne bibliotek-element",
+  "ToastSelectAtLeastOneUser": "Velg minst én bruker",
   "ToastSendEbookToDeviceFailed": "Misslykkes å sende ebok",
   "ToastSendEbookToDeviceSuccess": "Ebok sendt til \"{0}\"",
   "ToastSeriesUpdateFailed": "Misslykkes å oppdatere serie",
   "ToastSeriesUpdateSuccess": "Serie oppdatert",
+  "ToastServerSettingsUpdateSuccess": "Server-innstillinger oppdatert",
+  "ToastSessionCloseFailed": "Kunne ikke avslutte sesjon",
   "ToastSessionDeleteFailed": "Misslykkes å slette sesjon",
   "ToastSessionDeleteSuccess": "Sesjon slettet",
+  "ToastSleepTimerDone": "Søvn-timer ferdig... zZzzZz",
+  "ToastSlugMustChange": "Slug inneholder ugyldige tegn",
+  "ToastSlugRequired": "Slug påkrevd",
   "ToastSocketConnected": "Socket koblet til",
   "ToastSocketDisconnected": "Socket koblet fra",
   "ToastSocketFailedToConnect": "Misslykkes å koble til Socket",
+  "ToastSortingPrefixesEmptyError": "Må ha minst én sorteringsprefiks",
+  "ToastSortingPrefixesUpdateSuccess": "Sorteringsprefiks oppdatert ({0} element)",
+  "ToastTitleRequired": "Tittel påkrevd",
+  "ToastUnknownError": "Ukjent feil",
+  "ToastUnlinkOpenIdFailed": "Kunne ikke koble bruker fra OpenID",
+  "ToastUnlinkOpenIdSuccess": "Bruker koblet fra OpenID",
   "ToastUserDeleteFailed": "Misslykkes å slette bruker",
-  "ToastUserDeleteSuccess": "Bruker slettet"
+  "ToastUserDeleteSuccess": "Bruker slettet",
+  "ToastUserPasswordChangeSuccess": "Passord ble endret",
+  "ToastUserPasswordMismatch": "Passord må stemme overens",
+  "ToastUserPasswordMustChange": "Nytt passord kan ikke være identisk med gammelt passord",
+  "ToastUserRootRequireName": "Root-brukernavn er påkrevd"
 }
diff --git a/client/strings/pl.json b/client/strings/pl.json
index 85c7b769..ce0eaa16 100644
--- a/client/strings/pl.json
+++ b/client/strings/pl.json
@@ -657,7 +657,6 @@
   "MessageInsertChapterBelow": "Wstaw rozdział poniżej",
   "MessageItemsSelected": "{0} zaznaczone elementy",
   "MessageJoinUsOn": "Dołącz do nas na",
-  "MessageListeningSessionsInTheLastYear": "Sesje słuchania w ostatnim roku: {0}",
   "MessageLoading": "Ładowanie...",
   "MessageLoadingFolders": "Ładowanie folderów...",
   "MessageLogsDescription": "Logi zapisane są w <code>/metadata/logs</code> jako pliki JSON. Logi awaryjne są zapisane w <code>/metadata/logs/crash_logs.txt</code>.",
@@ -772,7 +771,6 @@
   "ToastBookmarkCreateSuccess": "Dodano zakładkę",
   "ToastBookmarkRemoveSuccess": "Zakładka została usunięta",
   "ToastBookmarkUpdateSuccess": "Zaktualizowano zakładkę",
-  "ToastCollectionItemsRemoveSuccess": "Przedmiot(y) zostały usunięte z kolekcji",
   "ToastCollectionRemoveSuccess": "Kolekcja usunięta",
   "ToastCollectionUpdateSuccess": "Zaktualizowano kolekcję",
   "ToastItemCoverUpdateSuccess": "Zaktualizowano okładkę",
diff --git a/client/strings/pt-br.json b/client/strings/pt-br.json
index 7df7c47d..07a1c79f 100644
--- a/client/strings/pt-br.json
+++ b/client/strings/pt-br.json
@@ -630,7 +630,6 @@
   "MessageItemsSelected": "{0} Itens Selecionados",
   "MessageItemsUpdated": "{0} Itens Atualizados",
   "MessageJoinUsOn": "Junte-se a nós",
-  "MessageListeningSessionsInTheLastYear": "{0} sessões de escuta no ano anterior",
   "MessageLoading": "Carregando...",
   "MessageLoadingFolders": "Carregando pastas...",
   "MessageLogsDescription": "Os logs estão armazenados em <code>/metadata/logs</code> como arquivos JSON. Logs de crash estão armazenados em <code>/metadata/logs/crash_logs.txt</code>.",
@@ -735,7 +734,6 @@
   "ToastCachePurgeSuccess": "Cache apagado com sucesso",
   "ToastChaptersHaveErrors": "Capítulos com erro",
   "ToastChaptersMustHaveTitles": "Capítulos precisam ter títulos",
-  "ToastCollectionItemsRemoveSuccess": "Item(ns) removidos da coleção",
   "ToastCollectionRemoveSuccess": "Coleção removida",
   "ToastCollectionUpdateSuccess": "Coleção atualizada",
   "ToastDeleteFileFailed": "Falha ao apagar arquivo",
diff --git a/client/strings/ru.json b/client/strings/ru.json
index 3e07ea02..c32a1f56 100644
--- a/client/strings/ru.json
+++ b/client/strings/ru.json
@@ -300,6 +300,7 @@
   "LabelDiscover": "Не начато",
   "LabelDownload": "Скачать",
   "LabelDownloadNEpisodes": "Скачать {0} эпизодов",
+  "LabelDownloadable": "Загружаемый",
   "LabelDuration": "Длина",
   "LabelDurationComparisonExactMatch": "(точное совпадение)",
   "LabelDurationComparisonLonger": "({0} дольше)",
@@ -588,6 +589,7 @@
   "LabelSettingsStoreMetadataWithItemHelp": "По умолчанию метаинформация сохраняется в папке /metadata/items, при включении этой настройки метаинформация будет храниться в папке элемента",
   "LabelSettingsTimeFormat": "Формат времени",
   "LabelShare": "Поделиться",
+  "LabelShareDownloadableHelp": "Позволяет пользователям с помощью ссылки загрузить zip-файл элемента библиотеки.",
   "LabelShareOpen": "Общедоступно",
   "LabelShareURL": "Общедоступный URL",
   "LabelShowAll": "Показать все",
@@ -771,7 +773,6 @@
   "MessageItemsSelected": "{0} Элементов выделено",
   "MessageItemsUpdated": "{0} Элементов обновлено",
   "MessageJoinUsOn": "Присоединяйтесь к нам в",
-  "MessageListeningSessionsInTheLastYear": "{0} сеансов прослушивания в прошлом году",
   "MessageLoading": "Загрузка...",
   "MessageLoadingFolders": "Загрузка каталогов...",
   "MessageLogsDescription": "Журналы хранятся в <code>/metadata/logs</code> в виде JSON-файлов. Журналы сбоев хранятся в <code>/metadata/logs/crash_logs.txt</code>.",
@@ -959,8 +960,6 @@
   "ToastChaptersRemoved": "Удалены главы",
   "ToastChaptersUpdated": "Обновленные главы",
   "ToastCollectionItemsAddFailed": "Не удалось добавить элемент(ы) в коллекцию",
-  "ToastCollectionItemsAddSuccess": "Элемент(ы) добавлены в коллекцию",
-  "ToastCollectionItemsRemoveSuccess": "Элемент(ы), удалены из коллекции",
   "ToastCollectionRemoveSuccess": "Коллекция удалена",
   "ToastCollectionUpdateSuccess": "Коллекция обновлена",
   "ToastCoverUpdateFailed": "Не удалось обновить обложку",
diff --git a/client/strings/sl.json b/client/strings/sl.json
index a12643f4..59f5f530 100644
--- a/client/strings/sl.json
+++ b/client/strings/sl.json
@@ -300,6 +300,7 @@
   "LabelDiscover": "Odkrij",
   "LabelDownload": "Prenos",
   "LabelDownloadNEpisodes": "Prenesi {0} epizod",
+  "LabelDownloadable": "Možen prenos",
   "LabelDuration": "Trajanje",
   "LabelDurationComparisonExactMatch": "(natančno ujemanje)",
   "LabelDurationComparisonLonger": "({0} dlje)",
@@ -588,6 +589,7 @@
   "LabelSettingsStoreMetadataWithItemHelp": "Datoteke z metapodatki so privzeto shranjene v /metadata/items, če omogočite to nastavitev, boste datoteke z metapodatki shranili v mape elementov vaše knjižnice",
   "LabelSettingsTimeFormat": "Oblika časa",
   "LabelShare": "Deli",
+  "LabelShareDownloadableHelp": "Omogoča uporabnikom s povezavo skupne rabe, da prenesejo zip datoteko elementa knjižnice.",
   "LabelShareOpen": "Deli odprto",
   "LabelShareURL": "Deli URL",
   "LabelShowAll": "Prikaži vse",
@@ -771,7 +773,6 @@
   "MessageItemsSelected": "{0} izbranih elementov",
   "MessageItemsUpdated": "Št. posodobljenih elementov: {0}",
   "MessageJoinUsOn": "Pridružite se nam",
-  "MessageListeningSessionsInTheLastYear": "{0} sej poslušanja v zadnjem letu",
   "MessageLoading": "Nalagam...",
   "MessageLoadingFolders": "Nalagam mape...",
   "MessageLogsDescription": "Dnevniki so shranjeni v <code>/metadata/logs</code> kot datoteke JSON. Dnevniki zrušitev so shranjeni v <code>/metadata/logs/crash_logs.txt</code>.",
@@ -959,8 +960,6 @@
   "ToastChaptersRemoved": "Poglavja so odstranjena",
   "ToastChaptersUpdated": "Poglavja so posodobljena",
   "ToastCollectionItemsAddFailed": "Dodajanje elementov v zbirko ni uspelo",
-  "ToastCollectionItemsAddSuccess": "Dodajanje elementov v zbirko je bilo uspešno",
-  "ToastCollectionItemsRemoveSuccess": "Elementi so bili odstranjeni iz zbirke",
   "ToastCollectionRemoveSuccess": "Zbirka je bila odstranjena",
   "ToastCollectionUpdateSuccess": "Zbirka je bila posodobljena",
   "ToastCoverUpdateFailed": "Posodobitev naslovnice ni uspela",
diff --git a/client/strings/sv.json b/client/strings/sv.json
index 0d156efd..9ee4c1dc 100644
--- a/client/strings/sv.json
+++ b/client/strings/sv.json
@@ -13,7 +13,7 @@
   "ButtonBrowseForFolder": "Bläddra efter mapp",
   "ButtonCancel": "Avbryt",
   "ButtonCancelEncode": "Avbryt kodning",
-  "ButtonChangeRootPassword": "Ändra rootlösenord",
+  "ButtonChangeRootPassword": "Ändra lösenordet för root",
   "ButtonCheckAndDownloadNewEpisodes": "Kontrollera och ladda ner nya avsnitt",
   "ButtonChooseAFolder": "Välj en mapp",
   "ButtonChooseFiles": "Välj filer",
@@ -29,7 +29,7 @@
   "ButtonEditChapters": "Redigera kapitel",
   "ButtonEditPodcast": "Redigera podcast",
   "ButtonForceReScan": "Tvinga omstart",
-  "ButtonFullPath": "Full sökväg",
+  "ButtonFullPath": "Fullständig sökväg",
   "ButtonHide": "Dölj",
   "ButtonHome": "Hem",
   "ButtonIssues": "Problem",
@@ -42,13 +42,18 @@
   "ButtonMatchAllAuthors": "Matcha alla författare",
   "ButtonMatchBooks": "Matcha böcker",
   "ButtonNevermind": "Glöm det",
-  "ButtonOk": "Okej",
+  "ButtonNext": "Nästa",
+  "ButtonNextChapter": "Nästa kapitel",
+  "ButtonOk": "Ok",
   "ButtonOpenFeed": "Öppna flöde",
   "ButtonOpenManager": "Öppna Manager",
   "ButtonPause": "Pausa",
   "ButtonPlay": "Spela",
+  "ButtonPlayAll": "Spela alla",
   "ButtonPlaying": "Spelar",
   "ButtonPlaylists": "Spellistor",
+  "ButtonPrevious": "Föregående",
+  "ButtonPreviousChapter": "Föregående kapitel",
   "ButtonPurgeAllCache": "Rensa all cache",
   "ButtonPurgeItemsCache": "Rensa föremåls-cache",
   "ButtonQueueAddItem": "Lägg till i kön",
@@ -56,6 +61,9 @@
   "ButtonQuickMatch": "Snabb matchning",
   "ButtonReScan": "Omstart",
   "ButtonRead": "Läs",
+  "ButtonReadLess": "Visa mindre",
+  "ButtonReadMore": "Visa mer",
+  "ButtonRefresh": "Uppdatera",
   "ButtonRemove": "Ta bort",
   "ButtonRemoveAll": "Ta bort alla",
   "ButtonRemoveAllLibraryItems": "Ta bort alla biblioteksobjekt",
@@ -72,12 +80,13 @@
   "ButtonScanLibrary": "Skanna bibliotek",
   "ButtonSearch": "Sök",
   "ButtonSelectFolderPath": "Välj mappens sökväg",
-  "ButtonSeries": "Serie",
+  "ButtonSeries": "Serier",
   "ButtonSetChaptersFromTracks": "Ställ in kapitel från spår",
   "ButtonShiftTimes": "Förskjut tider",
   "ButtonShow": "Visa",
   "ButtonStartM4BEncode": "Starta M4B-kodning",
   "ButtonStartMetadataEmbed": "Starta inbäddning av metadata",
+  "ButtonStats": "Statistik",
   "ButtonSubmit": "Skicka",
   "ButtonTest": "Testa",
   "ButtonUpload": "Ladda upp",
@@ -123,7 +132,7 @@
   "HeaderListeningStats": "Lyssningsstatistik",
   "HeaderLogin": "Logga in",
   "HeaderLogs": "Loggar",
-  "HeaderManageGenres": "Hantera genrer",
+  "HeaderManageGenres": "Hantera kategorier",
   "HeaderManageTags": "Hantera taggar",
   "HeaderMapDetails": "Karta detaljer",
   "HeaderMatch": "Matcha",
@@ -154,13 +163,14 @@
   "HeaderSettingsExperimental": "Experimentella funktioner",
   "HeaderSettingsGeneral": "Allmänt",
   "HeaderSettingsScanner": "Skanner",
+  "HeaderSettingsWebClient": "Webklient",
   "HeaderSleepTimer": "Sovtidtagare",
-  "HeaderStatsLargestItems": "Största föremål",
-  "HeaderStatsLongestItems": "Längsta föremål (tim)",
+  "HeaderStatsLargestItems": "Största objekt",
+  "HeaderStatsLongestItems": "Längsta objekt (tim)",
   "HeaderStatsMinutesListeningChart": "Minuters lyssning (senaste 7 dagar)",
   "HeaderStatsRecentSessions": "Senaste sessioner",
-  "HeaderStatsTop10Authors": "Topp 10 författare",
-  "HeaderStatsTop5Genres": "Topp 5 genrer",
+  "HeaderStatsTop10Authors": "10 populäraste författarna",
+  "HeaderStatsTop5Genres": "5 populäraste kategorierna",
   "HeaderTableOfContents": "Innehållsförteckning",
   "HeaderTools": "Verktyg",
   "HeaderUpdateAccount": "Uppdatera konto",
@@ -168,7 +178,8 @@
   "HeaderUpdateDetails": "Uppdatera detaljer",
   "HeaderUpdateLibrary": "Uppdatera bibliotek",
   "HeaderUsers": "Användare",
-  "HeaderYourStats": "Dina statistik",
+  "HeaderYearReview": "Sammanställning för {0}",
+  "HeaderYourStats": "Din statistik",
   "LabelAbridged": "Förkortad",
   "LabelAccountType": "Kontotyp",
   "LabelAccountTypeGuest": "Gäst",
@@ -191,18 +202,23 @@
   "LabelAuthorLastFirst": "Författare (Efternamn, Förnamn)",
   "LabelAuthors": "Författare",
   "LabelAutoDownloadEpisodes": "Automatisk nedladdning av avsnitt",
+  "LabelAutoFetchMetadata": "Automatisk nedladdning av metadata",
+  "LabelAutoFetchMetadataHelp": "Hämtar metadata för titel, författare och serier. Kompletterande metadata får adderas efter uppladdningen.",
   "LabelBackToUser": "Tillbaka till användaren",
-  "LabelBackupLocation": "Säkerhetskopia Plats",
+  "LabelBackupLocation": "Plats för säkerhetskopia",
   "LabelBackupsEnableAutomaticBackups": "Aktivera automatiska säkerhetskopior",
-  "LabelBackupsEnableAutomaticBackupsHelp": "Säkerhetskopior sparas i /metadata/säkerhetskopior",
-  "LabelBackupsMaxBackupSize": "Maximal säkerhetskopiostorlek (i GB)",
+  "LabelBackupsEnableAutomaticBackupsHelp": "Säkerhetskopior sparas i \"/metadata/backups\"",
+  "LabelBackupsMaxBackupSize": "Maximal storlek på säkerhetskopia (i GB) (0 = obegränsad)",
   "LabelBackupsMaxBackupSizeHelp": "Som ett skydd mot felkonfiguration kommer säkerhetskopior att misslyckas om de överskrider den konfigurerade storleken.",
   "LabelBackupsNumberToKeep": "Antal säkerhetskopior att behålla",
   "LabelBackupsNumberToKeepHelp": "Endast en säkerhetskopia tas bort åt gången, så om du redan har fler säkerhetskopior än detta bör du ta bort dem manuellt.",
   "LabelBitrate": "Bitfrekvens",
   "LabelBooks": "Böcker",
+  "LabelButtonText": "Knapptext",
+  "LabelByAuthor": "av {0}",
   "LabelChangePassword": "Ändra lösenord",
   "LabelChannels": "Kanaler",
+  "LabelChapterCount": "{0} kapitel",
   "LabelChapterTitle": "Kapitelrubrik",
   "LabelChapters": "Kapitel",
   "LabelChaptersFound": "hittade kapitel",
@@ -215,7 +231,7 @@
   "LabelConfirmPassword": "Bekräfta lösenord",
   "LabelContinueListening": "Fortsätt Lyssna",
   "LabelContinueReading": "Fortsätt Läsa",
-  "LabelContinueSeries": "Forsätt Serie",
+  "LabelContinueSeries": "Fortsätt Serie",
   "LabelCover": "Omslag",
   "LabelCoverImageURL": "URL till omslagsbild",
   "LabelCreatedAt": "Skapad vid",
@@ -267,8 +283,8 @@
   "LabelFontBoldness": "Fetstil",
   "LabelFontFamily": "Teckensnittsfamilj",
   "LabelFontScale": "Teckensnittsskala",
-  "LabelGenre": "Genre",
-  "LabelGenres": "Genrer",
+  "LabelGenre": "Kategori",
+  "LabelGenres": "Kategorier",
   "LabelHardDeleteFile": "Hård radering av fil",
   "LabelHasEbook": "Har E-bok",
   "LabelHasSupplementaryEbook": "Har komplimenterande E-bok",
@@ -316,19 +332,19 @@
   "LabelMediaType": "Mediatyp",
   "LabelMetaTag": "Metamärke",
   "LabelMetaTags": "Metamärken",
-  "LabelMetadataProvider": "Metadataleverantör",
+  "LabelMetadataProvider": "Källa för metadata",
   "LabelMinute": "Minut",
   "LabelMissing": "Saknad",
   "LabelMore": "Mer",
   "LabelMoreInfo": "Mer information",
   "LabelName": "Namn",
-  "LabelNarrator": "Berättare",
-  "LabelNarrators": "Berättare",
+  "LabelNarrator": "Uppläsare",
+  "LabelNarrators": "Uppläsare",
   "LabelNew": "Ny",
   "LabelNewPassword": "Nytt lösenord",
   "LabelNewestAuthors": "Senast tillagda författare",
   "LabelNewestEpisodes": "Senast tillagda avsnitt",
-  "LabelNextBackupDate": "Nästa säkerhetskopia datum",
+  "LabelNextBackupDate": "Nästa datum för säkerhetskopia",
   "LabelNextScheduledRun": "Nästa schemalagda körning",
   "LabelNoEpisodesSelected": "Inga avsnitt valda",
   "LabelNotFinished": "Ej avslutad",
@@ -367,7 +383,7 @@
   "LabelPreventIndexing": "Förhindra att ditt flöde indexeras av iTunes och Google-podcastsökmotorer",
   "LabelPrimaryEbook": "Primär e-bok",
   "LabelProgress": "Framsteg",
-  "LabelProvider": "Leverantör",
+  "LabelProvider": "Källa",
   "LabelPubDate": "Publiceringsdatum",
   "LabelPublishYear": "Publiceringsår",
   "LabelPublisher": "Utgivare",
@@ -388,14 +404,14 @@
   "LabelRemoveCover": "Ta bort omslag",
   "LabelSearchTerm": "Sökterm",
   "LabelSearchTitle": "Sök titel",
-  "LabelSearchTitleOrASIN": "Sök titel eller ASIN",
+  "LabelSearchTitleOrASIN": "Sök titel eller ASIN-kod",
   "LabelSeason": "Säsong",
   "LabelSelectAllEpisodes": "Välj alla avsnitt",
   "LabelSelectEpisodesShowing": "Välj {0} avsnitt som visas",
   "LabelSelectUsers": "Välj användare",
   "LabelSendEbookToDevice": "Skicka e-bok till...",
   "LabelSequence": "Sekvens",
-  "LabelSeries": "Serie",
+  "LabelSeries": "Serier",
   "LabelSeriesName": "Serienamn",
   "LabelSeriesProgress": "Serieframsteg",
   "LabelSetEbookAsPrimary": "Ange som primär",
@@ -403,7 +419,7 @@
   "LabelSettingsAudiobooksOnly": "Endast ljudböcker",
   "LabelSettingsAudiobooksOnlyHelp": "Aktivera detta alternativ kommer att ignorera e-boksfiler om de inte finns inom en ljudboksmapp, i vilket fall de kommer att anges som kompletterande e-böcker",
   "LabelSettingsBookshelfViewHelp": "Skeumorfisk design med trähyllor",
-  "LabelSettingsChromecastSupport": "Chromecast-stöd",
+  "LabelSettingsChromecastSupport": "Stöd för Chromecast",
   "LabelSettingsDateFormat": "Datumformat",
   "LabelSettingsDisableWatcher": "Inaktivera Watcher",
   "LabelSettingsDisableWatcherForLibrary": "Inaktivera mappbevakning för bibliotek",
@@ -415,24 +431,24 @@
   "LabelSettingsExperimentalFeaturesHelp": "Funktioner under utveckling som behöver din feedback och hjälp med testning. Klicka för att öppna diskussionen på GitHub.",
   "LabelSettingsFindCovers": "Hitta omslag",
   "LabelSettingsFindCoversHelp": "Om din ljudbok inte har ett inbäddat omslag eller en omslagsbild i mappen kommer skannern att försöka hitta ett omslag.<br>Observera: Detta kommer att förlänga skannningstiden",
-  "LabelSettingsHideSingleBookSeries": "Dölj enboksserier",
+  "LabelSettingsHideSingleBookSeries": "Dölj serier med en bok",
   "LabelSettingsHideSingleBookSeriesHelp": "Serier som har en enda bok kommer att döljas från seriesidan och hyllsidan på startsidan.",
   "LabelSettingsHomePageBookshelfView": "Startsida använd bokhyllvy",
   "LabelSettingsLibraryBookshelfView": "Bibliotek använd bokhyllvy",
   "LabelSettingsParseSubtitles": "Analysera undertexter",
-  "LabelSettingsParseSubtitlesHelp": "Extrahera undertexter från mappnamn för ljudböcker.<br>Undertext måste vara åtskilda av \" - \"<br>t.ex. \"Boktitel - En undertitel här\" har undertiteln \"En undertitel här\"",
+  "LabelSettingsParseSubtitlesHelp": "Extrahera undertitlar från namnet på mappar för ljudböcker.<br>Undertiteln måste vara åtskilda med ett bindestreck \" - \".<br>Mappen \"Boktitel - En undertitel här\" har undertiteln \"En undertitel här\"",
   "LabelSettingsPreferMatchedMetadata": "Föredra matchad metadata",
   "LabelSettingsPreferMatchedMetadataHelp": "Matchad data kommer att åsidosätta objektdetaljer vid snabbmatchning. Som standard kommer snabbmatchning endast att fylla i saknade detaljer.",
-  "LabelSettingsSkipMatchingBooksWithASIN": "Hoppa över matchande böcker med ASIN",
+  "LabelSettingsSkipMatchingBooksWithASIN": "Hoppa över matchande böcker med ASIN-kod",
   "LabelSettingsSkipMatchingBooksWithISBN": "Hoppa över matchande böcker med ISBN",
   "LabelSettingsSortingIgnorePrefixes": "Ignorera prefix vid sortering",
-  "LabelSettingsSortingIgnorePrefixesHelp": "t.ex. för prefixet \"the\" kommer boktiteln \"The Book Title\" att sorteras som \"Book Title, The\"",
+  "LabelSettingsSortingIgnorePrefixesHelp": "För prefix som t.ex. \"the\" kommer boktiteln \"The Book Title\" att sorteras som \"Book Title, The\"",
   "LabelSettingsSquareBookCovers": "Använd fyrkantiga bokomslag",
   "LabelSettingsSquareBookCoversHelp": "Föredrar att använda fyrkantiga omslag över standard 1.6:1 bokomslag",
   "LabelSettingsStoreCoversWithItem": "Lagra omslag med objekt",
-  "LabelSettingsStoreCoversWithItemHelp": "Som standard lagras omslag i /metadata/items, att aktivera detta alternativ kommer att lagra omslag i din biblioteksmapp. Endast en fil med namnet \"cover\" kommer att behållas",
+  "LabelSettingsStoreCoversWithItemHelp": "Som standard lagras bokomslag i mappen /metadata/items. Genom att aktivera detta alternativ kommer omslagen att lagra i din biblioteksmapp. Endast en fil med namnet \"cover\" kommer att behållas",
   "LabelSettingsStoreMetadataWithItem": "Lagra metadata med objekt",
-  "LabelSettingsStoreMetadataWithItemHelp": "Som standard lagras metadatafiler i /metadata/items, att aktivera detta alternativ kommer att lagra metadatafiler i dina biblioteksmappar",
+  "LabelSettingsStoreMetadataWithItemHelp": "Som standard lagras metadatafiler i mappen /metadata/items. Genom att aktivera detta alternativ kommer metadatafilerna att lagras i dina biblioteksmappar",
   "LabelSettingsTimeFormat": "Tidsformat",
   "LabelShowAll": "Visa alla",
   "LabelSize": "Storlek",
@@ -457,7 +473,7 @@
   "LabelStatsOverallHours": "Totalt antal timmar",
   "LabelStatsWeekListening": "Veckans lyssnande",
   "LabelSubtitle": "Underrubrik",
-  "LabelSupportedFileTypes": "Stödda filtyper",
+  "LabelSupportedFileTypes": "Filtyper som accepteras",
   "LabelTag": "Tagg",
   "LabelTags": "Taggar",
   "LabelTagsAccessibleToUser": "Taggar tillgängliga för användaren",
@@ -467,17 +483,22 @@
   "LabelThemeDark": "Mörkt",
   "LabelThemeLight": "Ljust",
   "LabelTimeBase": "Tidsbas",
+  "LabelTimeDurationXHours": "{0} timmar",
+  "LabelTimeDurationXMinutes": "{0} minuter",
+  "LabelTimeDurationXSeconds": "{0} sekunder",
+  "LabelTimeInMinutes": "Tid i minuter",
+  "LabelTimeLeft": "{0} återstår",
   "LabelTimeListened": "Tid lyssnad",
   "LabelTimeListenedToday": "Tid lyssnad idag",
-  "LabelTimeRemaining": "{0} kvar",
+  "LabelTimeRemaining": "{0} återstår",
   "LabelTimeToShift": "Tid att skifta i sekunder",
   "LabelTitle": "Titel",
   "LabelToolsEmbedMetadata": "Bädda in metadata",
   "LabelToolsEmbedMetadataDescription": "Bädda in metadata i ljudfiler, inklusive omslagsbild och kapitel.",
   "LabelToolsMakeM4b": "Skapa M4B ljudbok",
   "LabelToolsMakeM4bDescription": "Skapa en .M4B ljudboksfil med inbäddad metadata, omslagsbild och kapitel.",
-  "LabelToolsSplitM4b": "Dela M4B till MP3-filer",
-  "LabelToolsSplitM4bDescription": "Skapa MP3-filer från en M4B fil uppdelad i kapitel med inbäddad metadata, omslagsbild och kapitel.",
+  "LabelToolsSplitM4b": "Dela upp M4B-fil i MP3-filer",
+  "LabelToolsSplitM4bDescription": "Skapa MP3-filer från en M4B-fil uppdelad i kapitel med inbäddad metadata, omslagsbild och kapitel.",
   "LabelTotalDuration": "Total varaktighet",
   "LabelTotalTimeListened": "Total tid lyssnad",
   "LabelTrackFromFilename": "Spår från filnamn",
@@ -486,6 +507,7 @@
   "LabelTracksMultiTrack": "Flerspårigt",
   "LabelTracksNone": "Inga spår",
   "LabelTracksSingleTrack": "Enspårigt",
+  "LabelTrailer": "Trailer",
   "LabelType": "Typ",
   "LabelUnabridged": "Oavkortad",
   "LabelUnknown": "Okänd",
@@ -496,16 +518,20 @@
   "LabelUpdatedAt": "Uppdaterad vid",
   "LabelUploaderDragAndDrop": "Dra och släpp filer eller mappar",
   "LabelUploaderDropFiles": "Släpp filer",
+  "LabelUploaderItemFetchMetadataHelp": "Hämtar automatiskt titel, författare och serier.",
   "LabelUseChapterTrack": "Använd kapitelspår",
   "LabelUseFullTrack": "Använd hela spåret",
   "LabelUser": "Användare",
   "LabelUsername": "Användarnamn",
   "LabelValue": "Värde",
+  "LabelVersion": "Version",
   "LabelViewBookmarks": "Visa bokmärken",
   "LabelViewChapters": "Visa kapitel",
   "LabelViewQueue": "Visa spellista",
   "LabelVolume": "Volym",
   "LabelWeekdaysToRun": "Vardagar att köra",
+  "LabelYearReviewHide": "Dölj sammanställning för året",
+  "LabelYearReviewShow": "Visa sammanställning för året",
   "LabelYourAudiobookDuration": "Din ljudboks varaktighet",
   "LabelYourBookmarks": "Dina bokmärken",
   "LabelYourPlaylists": "Dina spellistor",
@@ -535,22 +561,22 @@
   "MessageConfirmMarkAllEpisodesFinished": "Är du säker på att du vill markera alla avsnitt som avslutade?",
   "MessageConfirmMarkAllEpisodesNotFinished": "Är du säker på att du vill markera alla avsnitt som inte avslutade?",
   "MessageConfirmMarkSeriesFinished": "Är du säker på att du vill markera alla böcker i denna serie som avslutade?",
-  "MessageConfirmMarkSeriesNotFinished": "Är du säker på att du vill markera alla böcker i denna serie som inte avslutade?",
-  "MessageConfirmQuickEmbed": "Varning! Quick embed kommer inte att säkerhetskopiera dina ljudfiler. Se till att du har en säkerhetskopia av dina ljudfiler. <br><br>Vill du fortsätta?",
+  "MessageConfirmMarkSeriesNotFinished": "Är du säker på att du vill markera alla böcker i denna serie som ej avslutade?",
+  "MessageConfirmQuickEmbed": "VARNING! Quick embed kommer inte att säkerhetskopiera dina ljudfiler. Se till att du har en säkerhetskopia av dina ljudfiler. <br><br>Vill du fortsätta?",
   "MessageConfirmReScanLibraryItems": "Är du säker på att du vill göra omgenomsökning för {0} objekt?",
   "MessageConfirmRemoveAllChapters": "Är du säker på att du vill ta bort alla kapitel?",
   "MessageConfirmRemoveAuthor": "Är du säker på att du vill ta bort författaren \"{0}\"?",
   "MessageConfirmRemoveCollection": "Är du säker på att du vill ta bort samlingen \"{0}\"?",
   "MessageConfirmRemoveEpisode": "Är du säker på att du vill ta bort avsnittet \"{0}\"?",
   "MessageConfirmRemoveEpisodes": "Är du säker på att du vill ta bort {0} avsnitt?",
-  "MessageConfirmRemoveNarrator": "Är du säker på att du vill ta bort berättaren \"{0}\"?",
+  "MessageConfirmRemoveNarrator": "Är du säker på att du vill ta bort uppläsaren \"{0}\"?",
   "MessageConfirmRemovePlaylist": "Är du säker på att du vill ta bort din spellista \"{0}\"?",
-  "MessageConfirmRenameGenre": "Är du säker på att du vill byta namn på genren \"{0}\" till \"{1}\" för alla objekt?",
-  "MessageConfirmRenameGenreMergeNote": "Observera: Den här genren finns redan, så de kommer att slås samman.",
-  "MessageConfirmRenameGenreWarning": "Varning! En liknande genre med annat skrivsätt finns redan \"{0}\".",
+  "MessageConfirmRenameGenre": "Är du säker på att du vill byta namn på kategori \"{0}\" till \"{1}\" för alla objekt?",
+  "MessageConfirmRenameGenreMergeNote": "OBS: Den här kategorin finns redan, så de kommer att slås samman.",
+  "MessageConfirmRenameGenreWarning": "Varning! En liknande kategori med annat skrivsätt finns redan \"{0}\".",
   "MessageConfirmRenameTag": "Är du säker på att du vill byta namn på taggen \"{0}\" till \"{1}\" för alla objekt?",
-  "MessageConfirmRenameTagMergeNote": "Observera: Den här taggen finns redan, så de kommer att slås samman.",
-  "MessageConfirmRenameTagWarning": "Varning! En liknande tagg med annat skrivsätt finns redan \"{0}\".",
+  "MessageConfirmRenameTagMergeNote": "OBS: Den här taggen finns redan, så de kommer att slås samman.",
+  "MessageConfirmRenameTagWarning": "VARNING! En liknande tagg med annat skrivsätt finns redan \"{0}\".",
   "MessageConfirmSendEbookToDevice": "Är du säker på att du vill skicka {0} e-bok \"{1}\" till enheten \"{2}\"?",
   "MessageDownloadingEpisode": "Laddar ner avsnitt",
   "MessageDragFilesIntoTrackOrder": "Dra filer till rätt spårordning",
@@ -564,7 +590,6 @@
   "MessageItemsSelected": "{0} Objekt markerade",
   "MessageItemsUpdated": "{0} Objekt uppdaterade",
   "MessageJoinUsOn": "Anslut dig till oss på",
-  "MessageListeningSessionsInTheLastYear": "{0} lyssningssessioner det senaste året",
   "MessageLoading": "Laddar...",
   "MessageLoadingFolders": "Laddar mappar...",
   "MessageM4BFailed": "M4B misslyckades!",
@@ -574,7 +599,7 @@
   "MessageMarkAllEpisodesNotFinished": "Markera alla avsnitt som inte avslutade",
   "MessageMarkAsFinished": "Markera som avslutad",
   "MessageMarkAsNotFinished": "Markera som inte avslutad",
-  "MessageMatchBooksDescription": "kommer att försöka matcha böcker i biblioteket med en bok från den valda sökleverantören och fylla i tomma detaljer och omslagskonst. Överskriver inte detaljer.",
+  "MessageMatchBooksDescription": "kommer att försöka matcha böcker i biblioteket med en bok från den valda källan och fylla i uppgifter som saknas och bokomslag. Inga befintliga uppgifter kommer att ersättas.",
   "MessageNoAudioTracks": "Inga ljudspår",
   "MessageNoAuthors": "Inga författare",
   "MessageNoBackups": "Inga säkerhetskopior",
@@ -588,7 +613,7 @@
   "MessageNoEpisodeMatchesFound": "Inga matchande avsnitt hittades",
   "MessageNoEpisodes": "Inga avsnitt",
   "MessageNoFoldersAvailable": "Inga mappar tillgängliga",
-  "MessageNoGenres": "Inga genrer",
+  "MessageNoGenres": "Inga kategorier",
   "MessageNoIssues": "Inga problem",
   "MessageNoItems": "Inga objekt",
   "MessageNoItemsFound": "Inga objekt hittades",
@@ -637,7 +662,7 @@
   "NoteFolderPicker": "Obs: Mappar som redan är kartlagda kommer inte att visas",
   "NoteRSSFeedPodcastAppsHttps": "Varning: De flesta podcastappar kräver att RSS-flödets URL används med HTTPS",
   "NoteRSSFeedPodcastAppsPubDate": "Varning: 1 eller flera av dina avsnitt har inte ett publiceringsdatum. Vissa podcastappar kräver detta.",
-  "NoteUploaderFoldersWithMediaFiles": "Mappar med mediefiler hanteras som separata biblioteksobjekt.",
+  "NoteUploaderFoldersWithMediaFiles": "Mappar med flera mediefiler hanteras som separata objekt i biblioteket.",
   "NoteUploaderOnlyAudioFiles": "Om du bara laddar upp ljudfiler kommer varje ljudfil att hanteras som en separat ljudbok.",
   "NoteUploaderUnsupportedFiles": "Oaccepterade filer ignoreras. När du väljer eller släpper en mapp ignoreras andra filer som inte finns i ett objektmapp.",
   "PlaceholderNewCollection": "Nytt samlingsnamn",
@@ -645,29 +670,42 @@
   "PlaceholderNewPlaylist": "Nytt spellistanamn",
   "PlaceholderSearch": "Sök...",
   "PlaceholderSearchEpisode": "Sök avsnitt...",
+  "StatsTopAuthor": "POPULÄRAST FÖRFATTAREN",
+  "StatsTopAuthors": "POPULÄRASTE FÖRFATTARNA",
+  "StatsTopGenre": "Populäraste kategorin",
+  "StatsTopGenres": "Populäraste kategorierna",
+  "StatsTopMonth": "Bästa månaden",
+  "StatsTopNarrator": "Populärast uppläsarna",
+  "StatsTopNarrators": "Populäraste uppläsaren",
+  "StatsYearInReview": "SAMMANSTÄLLNING AV ÅRET",
   "ToastAccountUpdateSuccess": "Kontot uppdaterat",
+  "ToastAsinRequired": "En ASIN-kod krävs",
   "ToastAuthorImageRemoveSuccess": "Författarens bild borttagen",
+  "ToastAuthorNotFound": "Författaren \"{0}\" kunde inte identifieras",
+  "ToastAuthorRemoveSuccess": "Författaren har raderats",
+  "ToastAuthorSearchNotFound": "Författaren kunde inte identifieras",
   "ToastAuthorUpdateMerged": "Författaren sammanslagen",
   "ToastAuthorUpdateSuccess": "Författaren uppdaterad",
   "ToastAuthorUpdateSuccessNoImageFound": "Författaren uppdaterad (ingen bild hittad)",
   "ToastBackupCreateFailed": "Det gick inte att skapa en säkerhetskopia",
-  "ToastBackupCreateSuccess": "Säkerhetskopia skapad",
-  "ToastBackupDeleteFailed": "Det gick inte att ta bort säkerhetskopian",
-  "ToastBackupDeleteSuccess": "Säkerhetskopan borttagen",
-  "ToastBackupRestoreFailed": "Det gick inte att återställa säkerhetskopan",
-  "ToastBackupUploadFailed": "Det gick inte att ladda upp säkerhetskopan",
-  "ToastBackupUploadSuccess": "Säkerhetskopan uppladdad",
+  "ToastBackupCreateSuccess": "Säkerhetskopian har skapats",
+  "ToastBackupDeleteFailed": "Det gick inte att radera säkerhetskopian",
+  "ToastBackupDeleteSuccess": "Säkerhetskopian har raderats",
+  "ToastBackupInvalidMaxKeep": "Felaktigt antal kopior av backup har angivits",
+  "ToastBackupInvalidMaxSize": "Felaktig storlek på backup har angivits",
+  "ToastBackupRestoreFailed": "Det gick inte att återställa säkerhetskopian",
+  "ToastBackupUploadFailed": "Det gick inte att ladda upp säkerhetskopian",
+  "ToastBackupUploadSuccess": "Säkerhetskopian uppladdad",
   "ToastBatchUpdateFailed": "Batchuppdateringen misslyckades",
   "ToastBatchUpdateSuccess": "Batchuppdateringen lyckades",
   "ToastBookmarkCreateFailed": "Det gick inte att skapa bokmärket",
-  "ToastBookmarkCreateSuccess": "Bokmärket tillagt",
-  "ToastBookmarkRemoveSuccess": "Bokmärket borttaget",
-  "ToastBookmarkUpdateSuccess": "Bokmärket uppdaterat",
+  "ToastBookmarkCreateSuccess": "Bokmärket har adderats",
+  "ToastBookmarkRemoveSuccess": "Bokmärket har raderats",
+  "ToastBookmarkUpdateSuccess": "Bokmärket har uppdaterats",
   "ToastChaptersHaveErrors": "Kapitlen har fel",
   "ToastChaptersMustHaveTitles": "Kapitel måste ha titlar",
-  "ToastCollectionItemsRemoveSuccess": "Objekt borttagna från samlingen",
-  "ToastCollectionRemoveSuccess": "Samlingen borttagen",
-  "ToastCollectionUpdateSuccess": "Samlingen uppdaterad",
+  "ToastCollectionRemoveSuccess": "Samlingen har raderats",
+  "ToastCollectionUpdateSuccess": "Samlingen har uppdaterats",
   "ToastItemCoverUpdateSuccess": "Objektets omslag uppdaterat",
   "ToastItemDetailsUpdateSuccess": "Objektdetaljer uppdaterade",
   "ToastItemMarkedAsFinishedFailed": "Misslyckades med att markera som färdig",
@@ -693,8 +731,8 @@
   "ToastRemoveItemFromCollectionSuccess": "Objektet borttaget från samlingen",
   "ToastSendEbookToDeviceFailed": "Misslyckades med att skicka e-boken till enheten",
   "ToastSendEbookToDeviceSuccess": "E-boken skickad till enheten \"{0}\"",
-  "ToastSeriesUpdateFailed": "Serieuppdateringen misslyckades",
-  "ToastSeriesUpdateSuccess": "Serieuppdateringen lyckades",
+  "ToastSeriesUpdateFailed": "Uppdateringen av serier misslyckades",
+  "ToastSeriesUpdateSuccess": "Uppdateringen av serierna lyckades",
   "ToastSessionDeleteFailed": "Misslyckades med att ta bort sessionen",
   "ToastSessionDeleteSuccess": "Sessionen borttagen",
   "ToastSocketConnected": "Socket ansluten",
diff --git a/client/strings/uk.json b/client/strings/uk.json
index 3d0150f5..d372ef55 100644
--- a/client/strings/uk.json
+++ b/client/strings/uk.json
@@ -300,6 +300,7 @@
   "LabelDiscover": "Огляд",
   "LabelDownload": "Завантажити",
   "LabelDownloadNEpisodes": "Завантажити епізодів: {0}",
+  "LabelDownloadable": "Можна завантажити",
   "LabelDuration": "Тривалість",
   "LabelDurationComparisonExactMatch": "(повний збіг)",
   "LabelDurationComparisonLonger": "(на {0} довше)",
@@ -588,6 +589,7 @@
   "LabelSettingsStoreMetadataWithItemHelp": "За замовчуванням файли метаданих зберігаються у /metadata/items. Цей параметр увімкне збереження метаданих у теці елемента бібліотеки",
   "LabelSettingsTimeFormat": "Формат часу",
   "LabelShare": "Поділитися",
+  "LabelShareDownloadableHelp": "Дозволяє користувачам із посиланням для спільного доступу завантажувати zip-файл елемента бібліотеки.",
   "LabelShareOpen": "Поділитися відкрито",
   "LabelShareURL": "Поділитися URL",
   "LabelShowAll": "Показати все",
@@ -771,7 +773,6 @@
   "MessageItemsSelected": "Обрано елементів: {0}",
   "MessageItemsUpdated": "Оновлено елементів: {0}",
   "MessageJoinUsOn": "Приєднуйтесь до",
-  "MessageListeningSessionsInTheLastYear": "Сесій прослуховування минулого року: {0}",
   "MessageLoading": "Завантаження...",
   "MessageLoadingFolders": "Завантаження тек...",
   "MessageLogsDescription": "Журнали зберігаються у <code>/metadata/logs</code> як JSON-файли. Журнали збоїв зберігаються у <code>/metadata/logs/crash_logs.txt</code>.",
@@ -959,8 +960,6 @@
   "ToastChaptersRemoved": "Розділи видалені",
   "ToastChaptersUpdated": "Розділи оновлені",
   "ToastCollectionItemsAddFailed": "Не вдалося додати елемент(и) до колекції",
-  "ToastCollectionItemsAddSuccess": "Елемент(и) успішно додано до колекції",
-  "ToastCollectionItemsRemoveSuccess": "Елемент(и) видалено з добірки",
   "ToastCollectionRemoveSuccess": "Добірку видалено",
   "ToastCollectionUpdateSuccess": "Добірку оновлено",
   "ToastCoverUpdateFailed": "Не вдалося оновити обкладинку",
diff --git a/client/strings/vi-vn.json b/client/strings/vi-vn.json
index 8b0ca165..07ef1751 100644
--- a/client/strings/vi-vn.json
+++ b/client/strings/vi-vn.json
@@ -581,7 +581,6 @@
   "MessageItemsSelected": "{0} Mục Đã Chọn",
   "MessageItemsUpdated": "{0} Mục Đã Cập Nhật",
   "MessageJoinUsOn": "Tham gia cùng chúng tôi trên",
-  "MessageListeningSessionsInTheLastYear": "{0} phiên nghe trong năm qua",
   "MessageLoading": "Đang tải...",
   "MessageLoadingFolders": "Đang tải các thư mục...",
   "MessageM4BFailed": "M4B thất bại!",
@@ -683,7 +682,6 @@
   "ToastBookmarkUpdateSuccess": "Đánh dấu đã được cập nhật",
   "ToastChaptersHaveErrors": "Các chương có lỗi",
   "ToastChaptersMustHaveTitles": "Các chương phải có tiêu đề",
-  "ToastCollectionItemsRemoveSuccess": "Mục đã được xóa khỏi bộ sưu tập",
   "ToastCollectionRemoveSuccess": "Bộ sưu tập đã được xóa",
   "ToastCollectionUpdateSuccess": "Bộ sưu tập đã được cập nhật",
   "ToastItemCoverUpdateSuccess": "Ảnh bìa mục đã được cập nhật",
diff --git a/client/strings/zh-cn.json b/client/strings/zh-cn.json
index e4791aff..fad6fc7a 100644
--- a/client/strings/zh-cn.json
+++ b/client/strings/zh-cn.json
@@ -88,6 +88,8 @@
   "ButtonSaveTracklist": "保存音轨列表",
   "ButtonScan": "扫描",
   "ButtonScanLibrary": "扫描库",
+  "ButtonScrollLeft": "向左滚动",
+  "ButtonScrollRight": "向右滚动",
   "ButtonSearch": "查找",
   "ButtonSelectFolderPath": "选择文件夹路径",
   "ButtonSeries": "系列",
@@ -190,6 +192,7 @@
   "HeaderSettingsExperimental": "实验功能",
   "HeaderSettingsGeneral": "通用",
   "HeaderSettingsScanner": "扫描",
+  "HeaderSettingsWebClient": "网页客户端",
   "HeaderSleepTimer": "睡眠计时",
   "HeaderStatsLargestItems": "最大的项目",
   "HeaderStatsLongestItems": "项目时长(小时)",
@@ -542,6 +545,7 @@
   "LabelServerYearReview": "服务器年度回顾 ({0})",
   "LabelSetEbookAsPrimary": "设置为主",
   "LabelSetEbookAsSupplementary": "设置为补充",
+  "LabelSettingsAllowIframe": "允许嵌入到 iframe 中",
   "LabelSettingsAudiobooksOnly": "只有有声读物",
   "LabelSettingsAudiobooksOnlyHelp": "启用此设置将忽略电子书文件, 除非它们位于有声读物文件夹中, 在这种情况下, 它们将被设置为补充电子书",
   "LabelSettingsBookshelfViewHelp": "带有木架子的拟物化设计",
@@ -592,6 +596,8 @@
   "LabelSize": "文件大小",
   "LabelSleepTimer": "睡眠定时",
   "LabelSlug": "Slug",
+  "LabelSortAscending": "升序",
+  "LabelSortDescending": "降序",
   "LabelStart": "开始",
   "LabelStartTime": "开始时间",
   "LabelStarted": "开始于",
@@ -765,7 +771,6 @@
   "MessageItemsSelected": "已选定 {0} 个项目",
   "MessageItemsUpdated": "已更新 {0} 个项目",
   "MessageJoinUsOn": "加入我们",
-  "MessageListeningSessionsInTheLastYear": "去年收听 {0} 个会话",
   "MessageLoading": "正在加载...",
   "MessageLoadingFolders": "加载文件夹...",
   "MessageLogsDescription": "日志以 JSON 文件形式存储在 <code>/metadata/logs</code> 目录中. 崩溃日志存储在 <code>/metadata/logs/crash_logs.txt</code> 目录中.",
@@ -953,8 +958,6 @@
   "ToastChaptersRemoved": "已删除章节",
   "ToastChaptersUpdated": "章节已更新",
   "ToastCollectionItemsAddFailed": "项目添加到收藏夹失败",
-  "ToastCollectionItemsAddSuccess": "项目添加到收藏夹成功",
-  "ToastCollectionItemsRemoveSuccess": "项目从收藏夹移除",
   "ToastCollectionRemoveSuccess": "收藏夹已删除",
   "ToastCollectionUpdateSuccess": "收藏夹已更新",
   "ToastCoverUpdateFailed": "封面更新失败",
diff --git a/client/strings/zh-tw.json b/client/strings/zh-tw.json
index 080d1bac..3f7e4c9c 100644
--- a/client/strings/zh-tw.json
+++ b/client/strings/zh-tw.json
@@ -625,7 +625,6 @@
   "MessageItemsSelected": "已選定 {0} 個項目",
   "MessageItemsUpdated": "已更新 {0} 個項目",
   "MessageJoinUsOn": "加入我們",
-  "MessageListeningSessionsInTheLastYear": "去年收聽 {0} 個會話",
   "MessageLoading": "讀取...",
   "MessageLoadingFolders": "讀取資料夾...",
   "MessageM4BFailed": "M4B 失敗!",
@@ -727,7 +726,6 @@
   "ToastBookmarkUpdateSuccess": "書籤已更新",
   "ToastChaptersHaveErrors": "章節有錯誤",
   "ToastChaptersMustHaveTitles": "章節必須有標題",
-  "ToastCollectionItemsRemoveSuccess": "項目從收藏夾移除",
   "ToastCollectionRemoveSuccess": "收藏夾已刪除",
   "ToastCollectionUpdateSuccess": "收藏夾已更新",
   "ToastItemCoverUpdateSuccess": "項目封面已更新",
diff --git a/package-lock.json b/package-lock.json
index efa917dc..31d9d0c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "audiobookshelf",
-  "version": "2.17.5",
+  "version": "2.17.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "audiobookshelf",
-      "version": "2.17.5",
+      "version": "2.17.7",
       "license": "GPL-3.0",
       "dependencies": {
         "axios": "^0.27.2",
diff --git a/package.json b/package.json
index 2e9c9709..f6729ef6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "audiobookshelf",
-  "version": "2.17.5",
+  "version": "2.17.7",
   "buildNumber": 1,
   "description": "Self-hosted audiobook and podcast server",
   "main": "index.js",
diff --git a/server/Database.js b/server/Database.js
index afb09dae..61385981 100644
--- a/server/Database.js
+++ b/server/Database.js
@@ -401,32 +401,6 @@ class Database {
     return this.models.setting.updateSettingObj(settings.toJSON())
   }
 
-  updateBulkBooks(oldBooks) {
-    if (!this.sequelize) return false
-    return Promise.all(oldBooks.map((oldBook) => this.models.book.saveFromOld(oldBook)))
-  }
-
-  createBulkCollectionBooks(collectionBooks) {
-    if (!this.sequelize) return false
-    return this.models.collectionBook.bulkCreate(collectionBooks)
-  }
-
-  createPlaylistMediaItem(playlistMediaItem) {
-    if (!this.sequelize) return false
-    return this.models.playlistMediaItem.create(playlistMediaItem)
-  }
-
-  createBulkPlaylistMediaItems(playlistMediaItems) {
-    if (!this.sequelize) return false
-    return this.models.playlistMediaItem.bulkCreate(playlistMediaItems)
-  }
-
-  async createLibraryItem(oldLibraryItem) {
-    if (!this.sequelize) return false
-    await oldLibraryItem.saveMetadata()
-    await this.models.libraryItem.fullCreateFromOld(oldLibraryItem)
-  }
-
   /**
    * Save metadata file and update library item
    *
@@ -444,17 +418,6 @@ class Database {
     return updated
   }
 
-  async createBulkBookAuthors(bookAuthors) {
-    if (!this.sequelize) return false
-    await this.models.bookAuthor.bulkCreate(bookAuthors)
-  }
-
-  async removeBulkBookAuthors(authorId = null, bookId = null) {
-    if (!this.sequelize) return false
-    if (!authorId && !bookId) return
-    await this.models.bookAuthor.removeByIds(authorId, bookId)
-  }
-
   getPlaybackSessions(where = null) {
     if (!this.sequelize) return false
     return this.models.playbackSession.getOldPlaybackSessions(where)
@@ -680,7 +643,7 @@ class Database {
   /**
    * Clean invalid records in database
    * Series should have atleast one Book
-   * Book and Podcast must have an associated LibraryItem
+   * Book and Podcast must have an associated LibraryItem (and vice versa)
    * Remove playback sessions that are 3 seconds or less
    */
   async cleanDatabase() {
@@ -710,6 +673,49 @@ class Database {
       await book.destroy()
     }
 
+    // Remove invalid LibraryItem records
+    const libraryItemsWithNoMedia = await this.libraryItemModel.findAll({
+      include: [
+        {
+          model: this.bookModel,
+          attributes: ['id']
+        },
+        {
+          model: this.podcastModel,
+          attributes: ['id']
+        }
+      ],
+      where: {
+        '$book.id$': null,
+        '$podcast.id$': null
+      }
+    })
+    for (const libraryItem of libraryItemsWithNoMedia) {
+      Logger.warn(`Found libraryItem "${libraryItem.id}" with no media - removing it`)
+      await libraryItem.destroy()
+    }
+
+    const playlistMediaItemsWithNoMediaItem = await this.playlistMediaItemModel.findAll({
+      include: [
+        {
+          model: this.bookModel,
+          attributes: ['id']
+        },
+        {
+          model: this.podcastEpisodeModel,
+          attributes: ['id']
+        }
+      ],
+      where: {
+        '$book.id$': null,
+        '$podcastEpisode.id$': null
+      }
+    })
+    for (const playlistMediaItem of playlistMediaItemsWithNoMediaItem) {
+      Logger.warn(`Found playlistMediaItem with no book or podcastEpisode - removing it`)
+      await playlistMediaItem.destroy()
+    }
+
     // Remove empty series
     const emptySeries = await this.seriesModel.findAll({
       include: {
diff --git a/server/Server.js b/server/Server.js
index 183c28a3..c3e73aec 100644
--- a/server/Server.js
+++ b/server/Server.js
@@ -6,6 +6,7 @@ const util = require('util')
 const fs = require('./libs/fsExtra')
 const fileUpload = require('./libs/expressFileupload')
 const cookieParser = require('cookie-parser')
+const axios = require('axios')
 
 const { version } = require('../package.json')
 
@@ -54,7 +55,26 @@ class Server {
     global.XAccel = process.env.USE_X_ACCEL
     global.AllowCors = process.env.ALLOW_CORS === '1'
 
-    if (process.env.DISABLE_SSRF_REQUEST_FILTER === '1') {
+    if (process.env.EXP_PROXY_SUPPORT === '1') {
+      // https://github.com/advplyr/audiobookshelf/pull/3754
+      Logger.info(`[Server] Experimental Proxy Support Enabled, SSRF Request Filter was Disabled`)
+      global.DisableSsrfRequestFilter = () => true
+
+      axios.defaults.maxRedirects = 0
+      axios.interceptors.response.use(
+        (response) => response,
+        (error) => {
+          if ([301, 302].includes(error.response?.status)) {
+            return axios({
+              ...error.config,
+              url: error.response.headers.location
+            })
+          }
+
+          return Promise.reject(error)
+        }
+      )
+    } else if (process.env.DISABLE_SSRF_REQUEST_FILTER === '1') {
       Logger.info(`[Server] SSRF Request Filter Disabled`)
       global.DisableSsrfRequestFilter = () => true
     } else if (process.env.SSRF_REQUEST_FILTER_WHITELIST?.length) {
diff --git a/server/controllers/AuthorController.js b/server/controllers/AuthorController.js
index 45bbdf84..31c94307 100644
--- a/server/controllers/AuthorController.js
+++ b/server/controllers/AuthorController.js
@@ -44,16 +44,21 @@ class AuthorController {
 
     // Used on author landing page to include library items and items grouped in series
     if (include.includes('items')) {
-      authorJson.libraryItems = await Database.libraryItemModel.getForAuthor(req.author, req.user)
+      const libraryItems = await Database.libraryItemModel.getForAuthor(req.author, req.user)
 
       if (include.includes('series')) {
         const seriesMap = {}
         // Group items into series
-        authorJson.libraryItems.forEach((li) => {
-          if (li.media.metadata.series) {
-            li.media.metadata.series.forEach((series) => {
-              const itemWithSeries = li.toJSONMinified()
-              itemWithSeries.media.metadata.series = series
+        libraryItems.forEach((li) => {
+          if (li.media.series?.length) {
+            li.media.series.forEach((series) => {
+              const itemWithSeries = li.toOldJSONMinified()
+              itemWithSeries.media.metadata.series = {
+                id: series.id,
+                name: series.name,
+                nameIgnorePrefix: series.nameIgnorePrefix,
+                sequence: series.bookSeries.sequence
+              }
 
               if (seriesMap[series.id]) {
                 seriesMap[series.id].items.push(itemWithSeries)
@@ -76,7 +81,7 @@ class AuthorController {
       }
 
       // Minify library items
-      authorJson.libraryItems = authorJson.libraryItems.map((li) => li.toJSONMinified())
+      authorJson.libraryItems = libraryItems.map((li) => li.toOldJSONMinified())
     }
 
     return res.json(authorJson)
@@ -125,7 +130,7 @@ class AuthorController {
       const bookAuthorsToCreate = []
       const allItemsWithAuthor = await Database.authorModel.getAllLibraryItemsForAuthor(req.author.id)
 
-      const oldLibraryItems = []
+      const libraryItems = []
       allItemsWithAuthor.forEach((libraryItem) => {
         // Replace old author with merging author for each book
         libraryItem.media.authors = libraryItem.media.authors.filter((au) => au.id !== req.author.id)
@@ -134,23 +139,22 @@ class AuthorController {
           name: existingAuthor.name
         })
 
-        const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-        oldLibraryItems.push(oldLibraryItem)
+        libraryItems.push(libraryItem)
 
         bookAuthorsToCreate.push({
           bookId: libraryItem.media.id,
           authorId: existingAuthor.id
         })
       })
-      if (oldLibraryItems.length) {
-        await Database.removeBulkBookAuthors(req.author.id) // Remove all old BookAuthor
-        await Database.createBulkBookAuthors(bookAuthorsToCreate) // Create all new BookAuthor
-        for (const libraryItem of allItemsWithAuthor) {
+      if (libraryItems.length) {
+        await Database.bookAuthorModel.removeByIds(req.author.id) // Remove all old BookAuthor
+        await Database.bookAuthorModel.bulkCreate(bookAuthorsToCreate) // Create all new BookAuthor
+        for (const libraryItem of libraryItems) {
           await libraryItem.saveMetadataFile()
         }
         SocketAuthority.emitter(
           'items_updated',
-          oldLibraryItems.map((li) => li.toJSONExpanded())
+          libraryItems.map((li) => li.toOldJSONExpanded())
         )
       }
 
@@ -190,7 +194,7 @@ class AuthorController {
         const allItemsWithAuthor = await Database.authorModel.getAllLibraryItemsForAuthor(req.author.id)
 
         numBooksForAuthor = allItemsWithAuthor.length
-        const oldLibraryItems = []
+        const libraryItems = []
         // Update author name on all books
         for (const libraryItem of allItemsWithAuthor) {
           libraryItem.media.authors = libraryItem.media.authors.map((au) => {
@@ -199,16 +203,16 @@ class AuthorController {
             }
             return au
           })
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-          oldLibraryItems.push(oldLibraryItem)
+
+          libraryItems.push(libraryItem)
 
           await libraryItem.saveMetadataFile()
         }
 
-        if (oldLibraryItems.length) {
+        if (libraryItems.length) {
           SocketAuthority.emitter(
             'items_updated',
-            oldLibraryItems.map((li) => li.toJSONExpanded())
+            libraryItems.map((li) => li.toOldJSONExpanded())
           )
         }
       } else {
diff --git a/server/controllers/CollectionController.js b/server/controllers/CollectionController.js
index 3e35c08b..00b82ce9 100644
--- a/server/controllers/CollectionController.js
+++ b/server/controllers/CollectionController.js
@@ -5,13 +5,17 @@ const SocketAuthority = require('../SocketAuthority')
 const Database = require('../Database')
 
 const RssFeedManager = require('../managers/RssFeedManager')
-const Collection = require('../objects/Collection')
 
 /**
  * @typedef RequestUserObject
  * @property {import('../models/User')} user
  *
  * @typedef {Request & RequestUserObject} RequestWithUser
+ *
+ * @typedef RequestEntityObject
+ * @property {import('../models/Collection')} collection
+ *
+ * @typedef {RequestWithUser & RequestEntityObject} CollectionControllerRequest
  */
 
 class CollectionController {
@@ -25,36 +29,71 @@ class CollectionController {
    * @param {Response} res
    */
   async create(req, res) {
-    const newCollection = new Collection()
-    req.body.userId = req.user.id
-    if (!newCollection.setData(req.body)) {
+    const reqBody = req.body || {}
+
+    // Validation
+    if (!reqBody.name || !reqBody.libraryId) {
       return res.status(400).send('Invalid collection data')
     }
+    if (reqBody.description && typeof reqBody.description !== 'string') {
+      return res.status(400).send('Invalid collection description')
+    }
+    const libraryItemIds = (reqBody.books || []).filter((b) => !!b && typeof b == 'string')
+    if (!libraryItemIds.length) {
+      return res.status(400).send('Invalid collection data. No books')
+    }
 
-    // Create collection record
-    await Database.collectionModel.createFromOld(newCollection)
-
-    // Get library items in collection
-    const libraryItemsInCollection = await Database.libraryItemModel.getForCollection(newCollection)
-
-    // Create collectionBook records
-    let order = 1
-    const collectionBooksToAdd = []
-    for (const libraryItemId of newCollection.books) {
-      const libraryItem = libraryItemsInCollection.find((li) => li.id === libraryItemId)
-      if (libraryItem) {
-        collectionBooksToAdd.push({
-          collectionId: newCollection.id,
-          bookId: libraryItem.media.id,
-          order: order++
-        })
+    // Load library items
+    const libraryItems = await Database.libraryItemModel.findAll({
+      attributes: ['id', 'mediaId', 'mediaType', 'libraryId'],
+      where: {
+        id: libraryItemIds,
+        libraryId: reqBody.libraryId,
+        mediaType: 'book'
       }
-    }
-    if (collectionBooksToAdd.length) {
-      await Database.createBulkCollectionBooks(collectionBooksToAdd)
+    })
+    if (libraryItems.length !== libraryItemIds.length) {
+      return res.status(400).send('Invalid collection data. Invalid books')
     }
 
-    const jsonExpanded = newCollection.toJSONExpanded(libraryItemsInCollection)
+    /** @type {import('../models/Collection')} */
+    let newCollection = null
+
+    const transaction = await Database.sequelize.transaction()
+    try {
+      // Create collection
+      newCollection = await Database.collectionModel.create(
+        {
+          libraryId: reqBody.libraryId,
+          name: reqBody.name,
+          description: reqBody.description || null
+        },
+        { transaction }
+      )
+
+      // Create collectionBooks
+      const collectionBookPayloads = libraryItemIds.map((llid, index) => {
+        const libraryItem = libraryItems.find((li) => li.id === llid)
+        return {
+          collectionId: newCollection.id,
+          bookId: libraryItem.mediaId,
+          order: index + 1
+        }
+      })
+      await Database.collectionBookModel.bulkCreate(collectionBookPayloads, { transaction })
+
+      await transaction.commit()
+    } catch (error) {
+      await transaction.rollback()
+      Logger.error('[CollectionController] create:', error)
+      return res.status(500).send('Failed to create collection')
+    }
+
+    // Load books expanded
+    newCollection.books = await newCollection.getBooksExpandedWithLibraryItem()
+
+    // Note: The old collection model stores expanded libraryItems in the books property
+    const jsonExpanded = newCollection.toOldJSONExpanded()
     SocketAuthority.emitter('collection_added', jsonExpanded)
     res.json(jsonExpanded)
   }
@@ -75,7 +114,7 @@ class CollectionController {
   /**
    * GET: /api/collections/:id
    *
-   * @param {RequestWithUser} req
+   * @param {CollectionControllerRequest} req
    * @param {Response} res
    */
   async findOne(req, res) {
@@ -94,7 +133,7 @@ class CollectionController {
    * PATCH: /api/collections/:id
    * Update collection
    *
-   * @param {RequestWithUser} req
+   * @param {CollectionControllerRequest} req
    * @param {Response} res
    */
   async update(req, res) {
@@ -158,7 +197,7 @@ class CollectionController {
    *
    * @this {import('../routers/ApiRouter')}
    *
-   * @param {RequestWithUser} req
+   * @param {CollectionControllerRequest} req
    * @param {Response} res
    */
   async delete(req, res) {
@@ -178,11 +217,13 @@ class CollectionController {
    * Add a single book to a collection
    * Req.body { id: <library item id> }
    *
-   * @param {RequestWithUser} req
+   * @param {CollectionControllerRequest} req
    * @param {Response} res
    */
   async addBook(req, res) {
-    const libraryItem = await Database.libraryItemModel.getOldById(req.body.id)
+    const libraryItem = await Database.libraryItemModel.findByPk(req.body.id, {
+      attributes: ['libraryId', 'mediaId']
+    })
     if (!libraryItem) {
       return res.status(404).send('Book not found')
     }
@@ -192,14 +233,14 @@ class CollectionController {
 
     // Check if book is already in collection
     const collectionBooks = await req.collection.getCollectionBooks()
-    if (collectionBooks.some((cb) => cb.bookId === libraryItem.media.id)) {
+    if (collectionBooks.some((cb) => cb.bookId === libraryItem.mediaId)) {
       return res.status(400).send('Book already in collection')
     }
 
     // Create collectionBook record
     await Database.collectionBookModel.create({
       collectionId: req.collection.id,
-      bookId: libraryItem.media.id,
+      bookId: libraryItem.mediaId,
       order: collectionBooks.length + 1
     })
     const jsonExpanded = await req.collection.getOldJsonExpanded()
@@ -212,11 +253,13 @@ class CollectionController {
    * Remove a single book from a collection. Re-order books
    * TODO: bookId is actually libraryItemId. Clients need updating to use bookId
    *
-   * @param {RequestWithUser} req
+   * @param {CollectionControllerRequest} req
    * @param {Response} res
    */
   async removeBook(req, res) {
-    const libraryItem = await Database.libraryItemModel.getOldById(req.params.bookId)
+    const libraryItem = await Database.libraryItemModel.findByPk(req.params.bookId, {
+      attributes: ['mediaId']
+    })
     if (!libraryItem) {
       return res.sendStatus(404)
     }
@@ -227,7 +270,7 @@ class CollectionController {
     })
 
     let jsonExpanded = null
-    const collectionBookToRemove = collectionBooks.find((cb) => cb.bookId === libraryItem.media.id)
+    const collectionBookToRemove = collectionBooks.find((cb) => cb.bookId === libraryItem.mediaId)
     if (collectionBookToRemove) {
       // Remove collection book record
       await collectionBookToRemove.destroy()
@@ -235,7 +278,7 @@ class CollectionController {
       // Update order on collection books
       let order = 1
       for (const collectionBook of collectionBooks) {
-        if (collectionBook.bookId === libraryItem.media.id) continue
+        if (collectionBook.bookId === libraryItem.mediaId) continue
         if (collectionBook.order !== order) {
           await collectionBook.update({
             order
@@ -257,29 +300,31 @@ class CollectionController {
    * Add multiple books to collection
    * Req.body { books: <Array of library item ids> }
    *
-   * @param {RequestWithUser} req
+   * @param {CollectionControllerRequest} req
    * @param {Response} res
    */
   async addBatch(req, res) {
     // filter out invalid libraryItemIds
     const bookIdsToAdd = (req.body.books || []).filter((b) => !!b && typeof b == 'string')
     if (!bookIdsToAdd.length) {
-      return res.status(500).send('Invalid request body')
+      return res.status(400).send('Invalid request body')
     }
 
     // Get library items associated with ids
     const libraryItems = await Database.libraryItemModel.findAll({
+      attributes: ['id', 'mediaId', 'mediaType', 'libraryId'],
       where: {
-        id: {
-          [Sequelize.Op.in]: bookIdsToAdd
-        }
-      },
-      include: {
-        model: Database.bookModel
+        id: bookIdsToAdd,
+        libraryId: req.collection.libraryId,
+        mediaType: 'book'
       }
     })
+    if (!libraryItems.length) {
+      return res.status(400).send('Invalid request body. No valid books')
+    }
 
     // Get collection books already in collection
+    /** @type {import('../models/CollectionBook')[]} */
     const collectionBooks = await req.collection.getCollectionBooks()
 
     let order = collectionBooks.length + 1
@@ -288,10 +333,10 @@ class CollectionController {
 
     // Check and set new collection books to add
     for (const libraryItem of libraryItems) {
-      if (!collectionBooks.some((cb) => cb.bookId === libraryItem.media.id)) {
+      if (!collectionBooks.some((cb) => cb.bookId === libraryItem.mediaId)) {
         collectionBooksToAdd.push({
           collectionId: req.collection.id,
-          bookId: libraryItem.media.id,
+          bookId: libraryItem.mediaId,
           order: order++
         })
         hasUpdated = true
@@ -302,7 +347,8 @@ class CollectionController {
 
     let jsonExpanded = null
     if (hasUpdated) {
-      await Database.createBulkCollectionBooks(collectionBooksToAdd)
+      await Database.collectionBookModel.bulkCreate(collectionBooksToAdd)
+
       jsonExpanded = await req.collection.getOldJsonExpanded()
       SocketAuthority.emitter('collection_updated', jsonExpanded)
     } else {
@@ -316,7 +362,7 @@ class CollectionController {
    * Remove multiple books from collection
    * Req.body { books: <Array of library item ids> }
    *
-   * @param {RequestWithUser} req
+   * @param {CollectionControllerRequest} req
    * @param {Response} res
    */
   async removeBatch(req, res) {
@@ -329,9 +375,7 @@ class CollectionController {
     // Get library items associated with ids
     const libraryItems = await Database.libraryItemModel.findAll({
       where: {
-        id: {
-          [Sequelize.Op.in]: bookIdsToRemove
-        }
+        id: bookIdsToRemove
       },
       include: {
         model: Database.bookModel
@@ -339,6 +383,7 @@ class CollectionController {
     })
 
     // Get collection books already in collection
+    /** @type {import('../models/CollectionBook')[]} */
     const collectionBooks = await req.collection.getCollectionBooks({
       order: [['order', 'ASC']]
     })
diff --git a/server/controllers/EmailController.js b/server/controllers/EmailController.js
index 916b4268..5d433e0a 100644
--- a/server/controllers/EmailController.js
+++ b/server/controllers/EmailController.js
@@ -106,7 +106,7 @@ class EmailController {
       return res.sendStatus(403)
     }
 
-    const libraryItem = await Database.libraryItemModel.getOldById(req.body.libraryItemId)
+    const libraryItem = await Database.libraryItemModel.getExpandedById(req.body.libraryItemId)
     if (!libraryItem) {
       return res.status(404).send('Library item not found')
     }
diff --git a/server/controllers/LibraryController.js b/server/controllers/LibraryController.js
index f42a023d..216f7595 100644
--- a/server/controllers/LibraryController.js
+++ b/server/controllers/LibraryController.js
@@ -1145,14 +1145,14 @@ class LibraryController {
       await libraryItem.media.update({
         narrators: libraryItem.media.narrators
       })
-      const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-      itemsUpdated.push(oldLibraryItem)
+
+      itemsUpdated.push(libraryItem)
     }
 
     if (itemsUpdated.length) {
       SocketAuthority.emitter(
         'items_updated',
-        itemsUpdated.map((li) => li.toJSONExpanded())
+        itemsUpdated.map((li) => li.toOldJSONExpanded())
       )
     }
 
@@ -1189,14 +1189,14 @@ class LibraryController {
       await libraryItem.media.update({
         narrators: libraryItem.media.narrators
       })
-      const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-      itemsUpdated.push(oldLibraryItem)
+
+      itemsUpdated.push(libraryItem)
     }
 
     if (itemsUpdated.length) {
       SocketAuthority.emitter(
         'items_updated',
-        itemsUpdated.map((li) => li.toJSONExpanded())
+        itemsUpdated.map((li) => li.toOldJSONExpanded())
       )
     }
 
diff --git a/server/controllers/LibraryItemController.js b/server/controllers/LibraryItemController.js
index 17c7be83..14a85f6e 100644
--- a/server/controllers/LibraryItemController.js
+++ b/server/controllers/LibraryItemController.js
@@ -24,6 +24,16 @@ const ShareManager = require('../managers/ShareManager')
  * @property {import('../models/User')} user
  *
  * @typedef {Request & RequestUserObject} RequestWithUser
+ *
+ * @typedef RequestEntityObject
+ * @property {import('../models/LibraryItem')} libraryItem
+ *
+ * @typedef {RequestWithUser & RequestEntityObject} LibraryItemControllerRequest
+ *
+ * @typedef RequestLibraryFileObject
+ * @property {import('../objects/files/LibraryFile')} libraryFile
+ *
+ * @typedef {RequestWithUser & RequestEntityObject & RequestLibraryFileObject} LibraryItemControllerRequestWithFile
  */
 
 class LibraryItemController {
@@ -35,17 +45,17 @@ class LibraryItemController {
    * ?include=progress,rssfeed,downloads,share
    * ?expanded=1
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async findOne(req, res) {
     const includeEntities = (req.query.include || '').split(',')
     if (req.query.expanded == 1) {
-      var item = req.libraryItem.toJSONExpanded()
+      const item = req.libraryItem.toOldJSONExpanded()
 
       // Include users media progress
       if (includeEntities.includes('progress')) {
-        var episodeId = req.query.episode || null
+        const episodeId = req.query.episode || null
         item.userMediaProgress = req.user.getOldMediaProgress(item.id, episodeId)
       }
 
@@ -68,28 +78,32 @@ class LibraryItemController {
 
       return res.json(item)
     }
-    res.json(req.libraryItem)
+    res.json(req.libraryItem.toOldJSON())
   }
 
   /**
+   * PATCH: /api/items/:id
    *
-   * @param {RequestWithUser} req
+   * @deprecated
+   * Use the updateMedia /api/items/:id/media endpoint instead or updateCover /api/items/:id/cover
+   *
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async update(req, res) {
-    var libraryItem = req.libraryItem
     // Item has cover and update is removing cover so purge it from cache
-    if (libraryItem.media.coverPath && req.body.media && (req.body.media.coverPath === '' || req.body.media.coverPath === null)) {
-      await CacheManager.purgeCoverCache(libraryItem.id)
+    if (req.libraryItem.media.coverPath && req.body.media && (req.body.media.coverPath === '' || req.body.media.coverPath === null)) {
+      await CacheManager.purgeCoverCache(req.libraryItem.id)
     }
 
-    const hasUpdates = libraryItem.update(req.body)
+    const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(req.libraryItem)
+    const hasUpdates = oldLibraryItem.update(req.body)
     if (hasUpdates) {
       Logger.debug(`[LibraryItemController] Updated now saving`)
-      await Database.updateLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+      await Database.updateLibraryItem(oldLibraryItem)
+      SocketAuthority.emitter('item_updated', oldLibraryItem.toJSONExpanded())
     }
-    res.json(libraryItem.toJSON())
+    res.json(oldLibraryItem.toJSON())
   }
 
   /**
@@ -100,7 +114,7 @@ class LibraryItemController {
    *
    * @this {import('../routers/ApiRouter')}
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async delete(req, res) {
@@ -111,14 +125,14 @@ class LibraryItemController {
     const authorIds = []
     const seriesIds = []
     if (req.libraryItem.isPodcast) {
-      mediaItemIds.push(...req.libraryItem.media.episodes.map((ep) => ep.id))
+      mediaItemIds.push(...req.libraryItem.media.podcastEpisodes.map((ep) => ep.id))
     } else {
       mediaItemIds.push(req.libraryItem.media.id)
-      if (req.libraryItem.media.metadata.authors?.length) {
-        authorIds.push(...req.libraryItem.media.metadata.authors.map((au) => au.id))
+      if (req.libraryItem.media.authors?.length) {
+        authorIds.push(...req.libraryItem.media.authors.map((au) => au.id))
       }
-      if (req.libraryItem.media.metadata.series?.length) {
-        seriesIds.push(...req.libraryItem.media.metadata.series.map((se) => se.id))
+      if (req.libraryItem.media.series?.length) {
+        seriesIds.push(...req.libraryItem.media.series.map((se) => se.id))
       }
     }
 
@@ -155,7 +169,7 @@ class LibraryItemController {
    * GET: /api/items/:id/download
    * Download library item. Zip file if multiple files.
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async download(req, res) {
@@ -164,7 +178,7 @@ class LibraryItemController {
       return res.sendStatus(403)
     }
     const libraryItemPath = req.libraryItem.path
-    const itemTitle = req.libraryItem.media.metadata.title
+    const itemTitle = req.libraryItem.media.title
 
     Logger.info(`[LibraryItemController] User "${req.user.username}" requested download for item "${itemTitle}" at "${libraryItemPath}"`)
 
@@ -194,11 +208,10 @@ class LibraryItemController {
    *
    * @this {import('../routers/ApiRouter')}
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async updateMedia(req, res) {
-    const libraryItem = req.libraryItem
     const mediaPayload = req.body
 
     if (mediaPayload.url) {
@@ -207,44 +220,44 @@ class LibraryItemController {
     }
 
     // Book specific
-    if (libraryItem.isBook) {
-      await this.createAuthorsAndSeriesForItemUpdate(mediaPayload, libraryItem.libraryId)
+    if (req.libraryItem.isBook) {
+      await this.createAuthorsAndSeriesForItemUpdate(mediaPayload, req.libraryItem.libraryId)
     }
 
     // Podcast specific
     let isPodcastAutoDownloadUpdated = false
-    if (libraryItem.isPodcast) {
-      if (mediaPayload.autoDownloadEpisodes !== undefined && libraryItem.media.autoDownloadEpisodes !== mediaPayload.autoDownloadEpisodes) {
+    if (req.libraryItem.isPodcast) {
+      if (mediaPayload.autoDownloadEpisodes !== undefined && req.libraryItem.media.autoDownloadEpisodes !== mediaPayload.autoDownloadEpisodes) {
         isPodcastAutoDownloadUpdated = true
-      } else if (mediaPayload.autoDownloadSchedule !== undefined && libraryItem.media.autoDownloadSchedule !== mediaPayload.autoDownloadSchedule) {
+      } else if (mediaPayload.autoDownloadSchedule !== undefined && req.libraryItem.media.autoDownloadSchedule !== mediaPayload.autoDownloadSchedule) {
         isPodcastAutoDownloadUpdated = true
       }
     }
 
     // Book specific - Get all series being removed from this item
     let seriesRemoved = []
-    if (libraryItem.isBook && mediaPayload.metadata?.series) {
+    if (req.libraryItem.isBook && mediaPayload.metadata?.series) {
       const seriesIdsInUpdate = mediaPayload.metadata.series?.map((se) => se.id) || []
-      seriesRemoved = libraryItem.media.metadata.series.filter((se) => !seriesIdsInUpdate.includes(se.id))
+      seriesRemoved = req.libraryItem.media.series.filter((se) => !seriesIdsInUpdate.includes(se.id))
     }
 
     let authorsRemoved = []
-    if (libraryItem.isBook && mediaPayload.metadata?.authors) {
+    if (req.libraryItem.isBook && mediaPayload.metadata?.authors) {
       const authorIdsInUpdate = mediaPayload.metadata.authors.map((au) => au.id)
-      authorsRemoved = libraryItem.media.metadata.authors.filter((au) => !authorIdsInUpdate.includes(au.id))
+      authorsRemoved = req.libraryItem.media.authors.filter((au) => !authorIdsInUpdate.includes(au.id))
     }
 
-    const hasUpdates = libraryItem.media.update(mediaPayload) || mediaPayload.url
+    const hasUpdates = (await req.libraryItem.media.updateFromRequest(mediaPayload)) || mediaPayload.url
     if (hasUpdates) {
-      libraryItem.updatedAt = Date.now()
+      req.libraryItem.changed('updatedAt', true)
+      await req.libraryItem.save()
 
       if (isPodcastAutoDownloadUpdated) {
-        this.cronManager.checkUpdatePodcastCron(libraryItem)
+        this.cronManager.checkUpdatePodcastCron(req.libraryItem)
       }
 
-      Logger.debug(`[LibraryItemController] Updated library item media ${libraryItem.media.metadata.title}`)
-      await Database.updateLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+      Logger.debug(`[LibraryItemController] Updated library item media ${req.libraryItem.media.title}`)
+      SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
 
       if (authorsRemoved.length) {
         // Check remove empty authors
@@ -259,14 +272,14 @@ class LibraryItemController {
     }
     res.json({
       updated: hasUpdates,
-      libraryItem
+      libraryItem: req.libraryItem.toOldJSON()
     })
   }
 
   /**
    * POST: /api/items/:id/cover
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    * @param {boolean} [updateAndReturnJson=true]
    */
@@ -276,15 +289,13 @@ class LibraryItemController {
       return res.sendStatus(403)
     }
 
-    let libraryItem = req.libraryItem
-
     let result = null
     if (req.body?.url) {
       Logger.debug(`[LibraryItemController] Requesting download cover from url "${req.body.url}"`)
-      result = await CoverManager.downloadCoverFromUrl(libraryItem, req.body.url)
+      result = await CoverManager.downloadCoverFromUrlNew(req.body.url, req.libraryItem.id, req.libraryItem.isFile ? null : req.libraryItem.path)
     } else if (req.files?.cover) {
       Logger.debug(`[LibraryItemController] Handling uploaded cover`)
-      result = await CoverManager.uploadCover(libraryItem, req.files.cover)
+      result = await CoverManager.uploadCover(req.libraryItem, req.files.cover)
     } else {
       return res.status(400).send('Invalid request no file or url')
     }
@@ -296,8 +307,15 @@ class LibraryItemController {
     }
 
     if (updateAndReturnJson) {
-      await Database.updateLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+      req.libraryItem.media.coverPath = result.cover
+      req.libraryItem.media.changed('coverPath', true)
+      await req.libraryItem.media.save()
+
+      // client uses updatedAt timestamp in URL to force refresh cover
+      req.libraryItem.changed('updatedAt', true)
+      await req.libraryItem.save()
+
+      SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
       res.json({
         success: true,
         cover: result.cover
@@ -308,22 +326,28 @@ class LibraryItemController {
   /**
    * PATCH: /api/items/:id/cover
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async updateCover(req, res) {
-    const libraryItem = req.libraryItem
     if (!req.body.cover) {
       return res.status(400).send('Invalid request no cover path')
     }
 
-    const validationResult = await CoverManager.validateCoverPath(req.body.cover, libraryItem)
+    const validationResult = await CoverManager.validateCoverPath(req.body.cover, req.libraryItem)
     if (validationResult.error) {
       return res.status(500).send(validationResult.error)
     }
     if (validationResult.updated) {
-      await Database.updateLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+      req.libraryItem.media.coverPath = validationResult.cover
+      req.libraryItem.media.changed('coverPath', true)
+      await req.libraryItem.media.save()
+
+      // client uses updatedAt timestamp in URL to force refresh cover
+      req.libraryItem.changed('updatedAt', true)
+      await req.libraryItem.save()
+
+      SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
     }
     res.json({
       success: true,
@@ -334,17 +358,22 @@ class LibraryItemController {
   /**
    * DELETE: /api/items/:id/cover
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async removeCover(req, res) {
-    var libraryItem = req.libraryItem
+    if (req.libraryItem.media.coverPath) {
+      req.libraryItem.media.coverPath = null
+      req.libraryItem.media.changed('coverPath', true)
+      await req.libraryItem.media.save()
 
-    if (libraryItem.media.coverPath) {
-      libraryItem.updateMediaCover('')
-      await CacheManager.purgeCoverCache(libraryItem.id)
-      await Database.updateLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+      // client uses updatedAt timestamp in URL to force refresh cover
+      req.libraryItem.changed('updatedAt', true)
+      await req.libraryItem.save()
+
+      await CacheManager.purgeCoverCache(req.libraryItem.id)
+
+      SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
     }
 
     res.sendStatus(200)
@@ -353,7 +382,7 @@ class LibraryItemController {
   /**
    * GET: /api/items/:id/cover
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async getCover(req, res) {
@@ -395,11 +424,11 @@ class LibraryItemController {
    *
    * @this {import('../routers/ApiRouter')}
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   startPlaybackSession(req, res) {
-    if (!req.libraryItem.media.numTracks) {
+    if (!req.libraryItem.hasAudioTracks) {
       Logger.error(`[LibraryItemController] startPlaybackSession cannot playback ${req.libraryItem.id}`)
       return res.sendStatus(404)
     }
@@ -412,18 +441,18 @@ class LibraryItemController {
    *
    * @this {import('../routers/ApiRouter')}
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   startEpisodePlaybackSession(req, res) {
-    var libraryItem = req.libraryItem
-    if (!libraryItem.media.numTracks) {
-      Logger.error(`[LibraryItemController] startPlaybackSession cannot playback ${libraryItem.id}`)
-      return res.sendStatus(404)
+    if (!req.libraryItem.isPodcast) {
+      Logger.error(`[LibraryItemController] startEpisodePlaybackSession invalid media type ${req.libraryItem.id}`)
+      return res.sendStatus(400)
     }
-    var episodeId = req.params.episodeId
-    if (!libraryItem.media.episodes.find((ep) => ep.id === episodeId)) {
-      Logger.error(`[LibraryItemController] startPlaybackSession episode ${episodeId} not found for item ${libraryItem.id}`)
+
+    const episodeId = req.params.episodeId
+    if (!req.libraryItem.media.podcastEpisodes.some((ep) => ep.id === episodeId)) {
+      Logger.error(`[LibraryItemController] startPlaybackSession episode ${episodeId} not found for item ${req.libraryItem.id}`)
       return res.sendStatus(404)
     }
 
@@ -433,30 +462,55 @@ class LibraryItemController {
   /**
    * PATCH: /api/items/:id/tracks
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async updateTracks(req, res) {
-    var libraryItem = req.libraryItem
-    var orderedFileData = req.body.orderedFileData
-    if (!libraryItem.media.updateAudioTracks) {
-      Logger.error(`[LibraryItemController] updateTracks invalid media type ${libraryItem.id}`)
-      return res.sendStatus(500)
+    const orderedFileData = req.body?.orderedFileData
+
+    if (!req.libraryItem.isBook) {
+      Logger.error(`[LibraryItemController] updateTracks invalid media type ${req.libraryItem.id}`)
+      return res.sendStatus(400)
     }
-    libraryItem.media.updateAudioTracks(orderedFileData)
-    await Database.updateLibraryItem(libraryItem)
-    SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
-    res.json(libraryItem.toJSON())
+    if (!Array.isArray(orderedFileData) || !orderedFileData.length) {
+      Logger.error(`[LibraryItemController] updateTracks invalid orderedFileData ${req.libraryItem.id}`)
+      return res.sendStatus(400)
+    }
+    // Ensure that each orderedFileData has a valid ino and is in the book audioFiles
+    if (orderedFileData.some((fileData) => !fileData?.ino || !req.libraryItem.media.audioFiles.some((af) => af.ino === fileData.ino))) {
+      Logger.error(`[LibraryItemController] updateTracks invalid orderedFileData ${req.libraryItem.id}`)
+      return res.sendStatus(400)
+    }
+
+    let index = 1
+    const updatedAudioFiles = orderedFileData.map((fileData) => {
+      const audioFile = req.libraryItem.media.audioFiles.find((af) => af.ino === fileData.ino)
+      audioFile.manuallyVerified = true
+      audioFile.exclude = !!fileData.exclude
+      if (audioFile.exclude) {
+        audioFile.index = -1
+      } else {
+        audioFile.index = index++
+      }
+      return audioFile
+    })
+    updatedAudioFiles.sort((a, b) => a.index - b.index)
+
+    req.libraryItem.media.audioFiles = updatedAudioFiles
+    req.libraryItem.media.changed('audioFiles', true)
+    await req.libraryItem.media.save()
+
+    SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
+    res.json(req.libraryItem.toOldJSON())
   }
 
   /**
    * POST /api/items/:id/match
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async match(req, res) {
-    const libraryItem = req.libraryItem
     const reqBody = req.body || {}
 
     const options = {}
@@ -473,7 +527,8 @@ class LibraryItemController {
       options.overrideDetails = !!reqBody.overrideDetails
     }
 
-    var matchResult = await Scanner.quickMatchLibraryItem(this, libraryItem, options)
+    const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(req.libraryItem)
+    var matchResult = await Scanner.quickMatchLibraryItem(this, oldLibraryItem, options)
     res.json(matchResult)
   }
 
@@ -496,11 +551,11 @@ class LibraryItemController {
     const hardDelete = req.query.hard == 1 // Delete files from filesystem
 
     const { libraryItemIds } = req.body
-    if (!libraryItemIds?.length) {
+    if (!libraryItemIds?.length || !Array.isArray(libraryItemIds)) {
       return res.status(400).send('Invalid request body')
     }
 
-    const itemsToDelete = await Database.libraryItemModel.getAllOldLibraryItems({
+    const itemsToDelete = await Database.libraryItemModel.findAllExpandedWhere({
       id: libraryItemIds
     })
 
@@ -511,19 +566,19 @@ class LibraryItemController {
     const libraryId = itemsToDelete[0].libraryId
     for (const libraryItem of itemsToDelete) {
       const libraryItemPath = libraryItem.path
-      Logger.info(`[LibraryItemController] (${hardDelete ? 'Hard' : 'Soft'}) deleting Library Item "${libraryItem.media.metadata.title}" with id "${libraryItem.id}"`)
+      Logger.info(`[LibraryItemController] (${hardDelete ? 'Hard' : 'Soft'}) deleting Library Item "${libraryItem.media.title}" with id "${libraryItem.id}"`)
       const mediaItemIds = []
       const seriesIds = []
       const authorIds = []
       if (libraryItem.isPodcast) {
-        mediaItemIds.push(...libraryItem.media.episodes.map((ep) => ep.id))
+        mediaItemIds.push(...libraryItem.media.podcastEpisodes.map((ep) => ep.id))
       } else {
         mediaItemIds.push(libraryItem.media.id)
-        if (libraryItem.media.metadata.series?.length) {
-          seriesIds.push(...libraryItem.media.metadata.series.map((se) => se.id))
+        if (libraryItem.media.series?.length) {
+          seriesIds.push(...libraryItem.media.series.map((se) => se.id))
         }
-        if (libraryItem.media.metadata.authors?.length) {
-          authorIds.push(...libraryItem.media.metadata.authors.map((au) => au.id))
+        if (libraryItem.media.authors?.length) {
+          authorIds.push(...libraryItem.media.authors.map((au) => au.id))
         }
       }
       await this.handleDeleteLibraryItem(libraryItem.id, mediaItemIds)
@@ -568,7 +623,7 @@ class LibraryItemController {
     }
 
     // Get all library items to update
-    const libraryItems = await Database.libraryItemModel.getAllOldLibraryItems({
+    const libraryItems = await Database.libraryItemModel.findAllExpandedWhere({
       id: libraryItemIds
     })
     if (updatePayloads.length !== libraryItems.length) {
@@ -590,21 +645,23 @@ class LibraryItemController {
       if (libraryItem.isBook) {
         if (Array.isArray(mediaPayload.metadata?.series)) {
           const seriesIdsInUpdate = mediaPayload.metadata.series.map((se) => se.id)
-          const seriesRemoved = libraryItem.media.metadata.series.filter((se) => !seriesIdsInUpdate.includes(se.id))
+          const seriesRemoved = libraryItem.media.series.filter((se) => !seriesIdsInUpdate.includes(se.id))
           seriesIdsRemoved.push(...seriesRemoved.map((se) => se.id))
         }
         if (Array.isArray(mediaPayload.metadata?.authors)) {
           const authorIdsInUpdate = mediaPayload.metadata.authors.map((au) => au.id)
-          const authorsRemoved = libraryItem.media.metadata.authors.filter((au) => !authorIdsInUpdate.includes(au.id))
+          const authorsRemoved = libraryItem.media.authors.filter((au) => !authorIdsInUpdate.includes(au.id))
           authorIdsRemoved.push(...authorsRemoved.map((au) => au.id))
         }
       }
 
-      if (libraryItem.media.update(mediaPayload)) {
-        Logger.debug(`[LibraryItemController] Updated library item media ${libraryItem.media.metadata.title}`)
+      const hasUpdates = await libraryItem.media.updateFromRequest(mediaPayload)
+      if (hasUpdates) {
+        libraryItem.changed('updatedAt', true)
+        await libraryItem.save()
 
-        await Database.updateLibraryItem(libraryItem)
-        SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+        Logger.debug(`[LibraryItemController] Updated library item media "${libraryItem.media.title}"`)
+        SocketAuthority.emitter('item_updated', libraryItem.toOldJSONExpanded())
         itemsUpdated++
       }
     }
@@ -633,11 +690,11 @@ class LibraryItemController {
     if (!libraryItemIds.length) {
       return res.status(403).send('Invalid payload')
     }
-    const libraryItems = await Database.libraryItemModel.getAllOldLibraryItems({
+    const libraryItems = await Database.libraryItemModel.findAllExpandedWhere({
       id: libraryItemIds
     })
     res.json({
-      libraryItems: libraryItems.map((li) => li.toJSONExpanded())
+      libraryItems: libraryItems.map((li) => li.toOldJSONExpanded())
     })
   }
 
@@ -660,7 +717,7 @@ class LibraryItemController {
       return res.sendStatus(400)
     }
 
-    const libraryItems = await Database.libraryItemModel.getAllOldLibraryItems({
+    const libraryItems = await Database.libraryItemModel.findAllExpandedWhere({
       id: req.body.libraryItemIds
     })
     if (!libraryItems?.length) {
@@ -682,7 +739,8 @@ class LibraryItemController {
     }
 
     for (const libraryItem of libraryItems) {
-      const matchResult = await Scanner.quickMatchLibraryItem(this, libraryItem, options)
+      const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
+      const matchResult = await Scanner.quickMatchLibraryItem(this, oldLibraryItem, options)
       if (matchResult.updated) {
         itemsUpdated++
       } else if (matchResult.warning) {
@@ -741,7 +799,7 @@ class LibraryItemController {
   /**
    * POST: /api/items/:id/scan
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async scan(req, res) {
@@ -765,7 +823,7 @@ class LibraryItemController {
   /**
    * GET: /api/items/:id/metadata-object
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   getMetadataObject(req, res) {
@@ -774,7 +832,7 @@ class LibraryItemController {
       return res.sendStatus(403)
     }
 
-    if (req.libraryItem.isMissing || !req.libraryItem.hasAudioFiles || !req.libraryItem.isBook) {
+    if (req.libraryItem.isMissing || !req.libraryItem.isBook || !req.libraryItem.media.includedAudioFiles.length) {
       Logger.error(`[LibraryItemController] Invalid library item`)
       return res.sendStatus(500)
     }
@@ -785,7 +843,7 @@ class LibraryItemController {
   /**
    * POST: /api/items/:id/chapters
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async updateMediaChapters(req, res) {
@@ -794,26 +852,51 @@ class LibraryItemController {
       return res.sendStatus(403)
     }
 
-    if (req.libraryItem.isMissing || !req.libraryItem.hasAudioFiles || !req.libraryItem.isBook) {
+    if (req.libraryItem.isMissing || !req.libraryItem.isBook || !req.libraryItem.media.hasAudioTracks) {
       Logger.error(`[LibraryItemController] Invalid library item`)
       return res.sendStatus(500)
     }
 
-    if (!req.body.chapters) {
+    if (!Array.isArray(req.body.chapters) || req.body.chapters.some((c) => !c.title || typeof c.title !== 'string' || c.start === undefined || typeof c.start !== 'number' || c.end === undefined || typeof c.end !== 'number')) {
       Logger.error(`[LibraryItemController] Invalid payload`)
       return res.sendStatus(400)
     }
 
     const chapters = req.body.chapters || []
-    const wasUpdated = req.libraryItem.media.updateChapters(chapters)
-    if (wasUpdated) {
-      await Database.updateLibraryItem(req.libraryItem)
-      SocketAuthority.emitter('item_updated', req.libraryItem.toJSONExpanded())
+
+    let hasUpdates = false
+    if (chapters.length !== req.libraryItem.media.chapters.length) {
+      req.libraryItem.media.chapters = chapters.map((c, index) => {
+        return {
+          id: index,
+          title: c.title,
+          start: c.start,
+          end: c.end
+        }
+      })
+      hasUpdates = true
+    } else {
+      for (const [index, chapter] of chapters.entries()) {
+        const currentChapter = req.libraryItem.media.chapters[index]
+        if (currentChapter.title !== chapter.title || currentChapter.start !== chapter.start || currentChapter.end !== chapter.end) {
+          currentChapter.title = chapter.title
+          currentChapter.start = chapter.start
+          currentChapter.end = chapter.end
+          hasUpdates = true
+        }
+      }
+    }
+
+    if (hasUpdates) {
+      req.libraryItem.media.changed('chapters', true)
+      await req.libraryItem.media.save()
+
+      SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
     }
 
     res.json({
       success: true,
-      updated: wasUpdated
+      updated: hasUpdates
     })
   }
 
@@ -821,7 +904,7 @@ class LibraryItemController {
    * GET: /api/items/:id/ffprobe/:fileid
    * FFProbe JSON result from audio file
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async getFFprobeData(req, res) {
@@ -829,25 +912,21 @@ class LibraryItemController {
       Logger.error(`[LibraryItemController] Non-admin user "${req.user.username}" attempted to get ffprobe data`)
       return res.sendStatus(403)
     }
-    if (req.libraryFile.fileType !== 'audio') {
-      Logger.error(`[LibraryItemController] Invalid filetype "${req.libraryFile.fileType}" for fileid "${req.params.fileid}". Expected audio file`)
-      return res.sendStatus(400)
-    }
 
-    const audioFile = req.libraryItem.media.findFileWithInode(req.params.fileid)
+    const audioFile = req.libraryItem.getAudioFileWithIno(req.params.fileid)
     if (!audioFile) {
       Logger.error(`[LibraryItemController] Audio file not found with inode value ${req.params.fileid}`)
       return res.sendStatus(404)
     }
 
-    const ffprobeData = await AudioFileScanner.probeAudioFile(audioFile)
+    const ffprobeData = await AudioFileScanner.probeAudioFile(audioFile.metadata.path)
     res.json(ffprobeData)
   }
 
   /**
    * GET api/items/:id/file/:fileid
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequestWithFile} req
    * @param {Response} res
    */
   async getLibraryFile(req, res) {
@@ -870,7 +949,7 @@ class LibraryItemController {
   /**
    * DELETE api/items/:id/file/:fileid
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequestWithFile} req
    * @param {Response} res
    */
   async deleteLibraryFile(req, res) {
@@ -881,17 +960,49 @@ class LibraryItemController {
     await fs.remove(libraryFile.metadata.path).catch((error) => {
       Logger.error(`[LibraryItemController] Failed to delete library file at "${libraryFile.metadata.path}"`, error)
     })
-    req.libraryItem.removeLibraryFile(req.params.fileid)
 
-    if (req.libraryItem.media.removeFileWithInode(req.params.fileid)) {
-      // If book has no more media files then mark it as missing
-      if (req.libraryItem.mediaType === 'book' && !req.libraryItem.media.hasMediaEntities) {
-        req.libraryItem.setMissing()
+    req.libraryItem.libraryFiles = req.libraryItem.libraryFiles.filter((lf) => lf.ino !== req.params.fileid)
+    req.libraryItem.changed('libraryFiles', true)
+
+    if (req.libraryItem.isBook) {
+      if (req.libraryItem.media.audioFiles.some((af) => af.ino === req.params.fileid)) {
+        req.libraryItem.media.audioFiles = req.libraryItem.media.audioFiles.filter((af) => af.ino !== req.params.fileid)
+        req.libraryItem.media.changed('audioFiles', true)
+      } else if (req.libraryItem.media.ebookFile?.ino === req.params.fileid) {
+        req.libraryItem.media.ebookFile = null
+        req.libraryItem.media.changed('ebookFile', true)
       }
+      if (!req.libraryItem.media.hasMediaFiles) {
+        req.libraryItem.isMissing = true
+      }
+    } else if (req.libraryItem.media.podcastEpisodes.some((ep) => ep.audioFile.ino === req.params.fileid)) {
+      const episodeToRemove = req.libraryItem.media.podcastEpisodes.find((ep) => ep.audioFile.ino === req.params.fileid)
+      // Remove episode from all playlists
+      await Database.playlistModel.removeMediaItemsFromPlaylists([episodeToRemove.id])
+
+      // Remove episode media progress
+      const numProgressRemoved = await Database.mediaProgressModel.destroy({
+        where: {
+          mediaItemId: episodeToRemove.id
+        }
+      })
+      if (numProgressRemoved > 0) {
+        Logger.info(`[LibraryItemController] Removed media progress for episode ${episodeToRemove.id}`)
+      }
+
+      // Remove episode
+      await episodeToRemove.destroy()
+
+      req.libraryItem.media.podcastEpisodes = req.libraryItem.media.podcastEpisodes.filter((ep) => ep.audioFile.ino !== req.params.fileid)
     }
-    req.libraryItem.updatedAt = Date.now()
-    await Database.updateLibraryItem(req.libraryItem)
-    SocketAuthority.emitter('item_updated', req.libraryItem.toJSONExpanded())
+
+    if (req.libraryItem.media.changed()) {
+      await req.libraryItem.media.save()
+    }
+
+    await req.libraryItem.save()
+
+    SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
     res.sendStatus(200)
   }
 
@@ -899,7 +1010,7 @@ class LibraryItemController {
    * GET api/items/:id/file/:fileid/download
    * Same as GET api/items/:id/file/:fileid but allows logging and restricting downloads
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequestWithFile} req
    * @param {Response} res
    */
   async downloadLibraryFile(req, res) {
@@ -911,7 +1022,7 @@ class LibraryItemController {
       return res.sendStatus(403)
     }
 
-    Logger.info(`[LibraryItemController] User "${req.user.username}" requested download for item "${req.libraryItem.media.metadata.title}" file at "${libraryFile.metadata.path}"`)
+    Logger.info(`[LibraryItemController] User "${req.user.username}" requested download for item "${req.libraryItem.media.title}" file at "${libraryFile.metadata.path}"`)
 
     if (global.XAccel) {
       const encodedURI = encodeUriPath(global.XAccel + libraryFile.metadata.path)
@@ -947,13 +1058,13 @@ class LibraryItemController {
    * fileid is only required when reading a supplementary ebook
    * when no fileid is passed in the primary ebook will be returned
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequest} req
    * @param {Response} res
    */
   async getEBookFile(req, res) {
     let ebookFile = null
     if (req.params.fileid) {
-      ebookFile = req.libraryItem.libraryFiles.find((lf) => lf.ino === req.params.fileid)
+      ebookFile = req.libraryItem.getLibraryFileWithIno(req.params.fileid)
       if (!ebookFile?.isEBookFile) {
         Logger.error(`[LibraryItemController] Invalid ebook file id "${req.params.fileid}"`)
         return res.status(400).send('Invalid ebook file id')
@@ -963,12 +1074,12 @@ class LibraryItemController {
     }
 
     if (!ebookFile) {
-      Logger.error(`[LibraryItemController] No ebookFile for library item "${req.libraryItem.media.metadata.title}"`)
+      Logger.error(`[LibraryItemController] No ebookFile for library item "${req.libraryItem.media.title}"`)
       return res.sendStatus(404)
     }
     const ebookFilePath = ebookFile.metadata.path
 
-    Logger.info(`[LibraryItemController] User "${req.user.username}" requested download for item "${req.libraryItem.media.metadata.title}" ebook at "${ebookFilePath}"`)
+    Logger.info(`[LibraryItemController] User "${req.user.username}" requested download for item "${req.libraryItem.media.title}" ebook at "${ebookFilePath}"`)
 
     if (global.XAccel) {
       const encodedURI = encodeUriPath(global.XAccel + ebookFilePath)
@@ -991,28 +1102,55 @@ class LibraryItemController {
    * if an ebook file is the primary ebook, then it will be changed to supplementary
    * if an ebook file is supplementary, then it will be changed to primary
    *
-   * @param {RequestWithUser} req
+   * @param {LibraryItemControllerRequestWithFile} req
    * @param {Response} res
    */
   async updateEbookFileStatus(req, res) {
-    const ebookLibraryFile = req.libraryItem.libraryFiles.find((lf) => lf.ino === req.params.fileid)
-    if (!ebookLibraryFile?.isEBookFile) {
+    if (!req.libraryItem.isBook) {
+      Logger.error(`[LibraryItemController] Invalid media type for ebook file status update`)
+      return res.sendStatus(400)
+    }
+    if (!req.libraryFile?.isEBookFile) {
       Logger.error(`[LibraryItemController] Invalid ebook file id "${req.params.fileid}"`)
       return res.status(400).send('Invalid ebook file id')
     }
 
+    const ebookLibraryFile = req.libraryFile
+    let primaryEbookFile = null
+
+    const ebookLibraryFileInos = req.libraryItem
+      .getLibraryFiles()
+      .filter((lf) => lf.isEBookFile)
+      .map((lf) => lf.ino)
+
     if (ebookLibraryFile.isSupplementary) {
       Logger.info(`[LibraryItemController] Updating ebook file "${ebookLibraryFile.metadata.filename}" to primary`)
-      req.libraryItem.setPrimaryEbook(ebookLibraryFile)
+
+      primaryEbookFile = ebookLibraryFile.toJSON()
+      delete primaryEbookFile.isSupplementary
+      delete primaryEbookFile.fileType
+      primaryEbookFile.ebookFormat = ebookLibraryFile.metadata.format
     } else {
       Logger.info(`[LibraryItemController] Updating ebook file "${ebookLibraryFile.metadata.filename}" to supplementary`)
-      ebookLibraryFile.isSupplementary = true
-      req.libraryItem.setPrimaryEbook(null)
     }
 
-    req.libraryItem.updatedAt = Date.now()
-    await Database.updateLibraryItem(req.libraryItem)
-    SocketAuthority.emitter('item_updated', req.libraryItem.toJSONExpanded())
+    req.libraryItem.media.ebookFile = primaryEbookFile
+    req.libraryItem.media.changed('ebookFile', true)
+    await req.libraryItem.media.save()
+
+    req.libraryItem.libraryFiles = req.libraryItem.libraryFiles.map((lf) => {
+      if (ebookLibraryFileInos.includes(lf.ino)) {
+        lf.isSupplementary = lf.ino !== primaryEbookFile?.ino
+      }
+      return lf
+    })
+    req.libraryItem.changed('libraryFiles', true)
+
+    req.libraryItem.isMissing = !req.libraryItem.media.hasMediaFiles
+
+    await req.libraryItem.save()
+
+    SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
     res.sendStatus(200)
   }
 
@@ -1023,7 +1161,7 @@ class LibraryItemController {
    * @param {NextFunction} next
    */
   async middleware(req, res, next) {
-    req.libraryItem = await Database.libraryItemModel.getOldById(req.params.id)
+    req.libraryItem = await Database.libraryItemModel.getExpandedById(req.params.id)
     if (!req.libraryItem?.media) return res.sendStatus(404)
 
     // Check user can access this library item
@@ -1033,7 +1171,7 @@ class LibraryItemController {
 
     // For library file routes, get the library file
     if (req.params.fileid) {
-      req.libraryFile = req.libraryItem.libraryFiles.find((lf) => lf.ino === req.params.fileid)
+      req.libraryFile = req.libraryItem.getLibraryFileWithIno(req.params.fileid)
       if (!req.libraryFile) {
         Logger.error(`[LibraryItemController] Library file "${req.params.fileid}" does not exist for library item`)
         return res.sendStatus(404)
diff --git a/server/controllers/MeController.js b/server/controllers/MeController.js
index cc67b320..87acd221 100644
--- a/server/controllers/MeController.js
+++ b/server/controllers/MeController.js
@@ -66,7 +66,7 @@ class MeController {
     const libraryItem = await Database.libraryItemModel.findByPk(req.params.libraryItemId)
     const episode = await Database.podcastEpisodeModel.findByPk(req.params.episodeId)
 
-    if (!libraryItem || (libraryItem.mediaType === 'podcast' && !episode)) {
+    if (!libraryItem || (libraryItem.isPodcast && !episode)) {
       Logger.error(`[MeController] Media item not found for library item id "${req.params.libraryItemId}"`)
       return res.sendStatus(404)
     }
@@ -296,7 +296,7 @@ class MeController {
     const mediaProgressesInProgress = req.user.mediaProgresses.filter((mp) => !mp.isFinished && (mp.currentTime > 0 || mp.ebookProgress > 0))
 
     const libraryItemsIds = [...new Set(mediaProgressesInProgress.map((mp) => mp.extraData?.libraryItemId).filter((id) => id))]
-    const libraryItems = await Database.libraryItemModel.getAllOldLibraryItems({ id: libraryItemsIds })
+    const libraryItems = await Database.libraryItemModel.findAllExpandedWhere({ id: libraryItemsIds })
 
     let itemsInProgress = []
 
@@ -304,19 +304,19 @@ class MeController {
       const oldMediaProgress = mediaProgress.getOldMediaProgress()
       const libraryItem = libraryItems.find((li) => li.id === oldMediaProgress.libraryItemId)
       if (libraryItem) {
-        if (oldMediaProgress.episodeId && libraryItem.mediaType === 'podcast') {
-          const episode = libraryItem.media.episodes.find((ep) => ep.id === oldMediaProgress.episodeId)
+        if (oldMediaProgress.episodeId && libraryItem.isPodcast) {
+          const episode = libraryItem.media.podcastEpisodes.find((ep) => ep.id === oldMediaProgress.episodeId)
           if (episode) {
             const libraryItemWithEpisode = {
-              ...libraryItem.toJSONMinified(),
-              recentEpisode: episode.toJSON(),
+              ...libraryItem.toOldJSONMinified(),
+              recentEpisode: episode.toOldJSON(libraryItem.id),
               progressLastUpdate: oldMediaProgress.lastUpdate
             }
             itemsInProgress.push(libraryItemWithEpisode)
           }
         } else if (!oldMediaProgress.episodeId) {
           itemsInProgress.push({
-            ...libraryItem.toJSONMinified(),
+            ...libraryItem.toOldJSONMinified(),
             progressLastUpdate: oldMediaProgress.lastUpdate
           })
         }
diff --git a/server/controllers/MiscController.js b/server/controllers/MiscController.js
index b35619b7..48eca3f8 100644
--- a/server/controllers/MiscController.js
+++ b/server/controllers/MiscController.js
@@ -342,8 +342,8 @@ class MiscController {
           tags: libraryItem.media.tags
         })
         await libraryItem.saveMetadataFile()
-        const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-        SocketAuthority.emitter('item_updated', oldLibraryItem.toJSONExpanded())
+
+        SocketAuthority.emitter('item_updated', libraryItem.toOldJSONExpanded())
         numItemsUpdated++
       }
     }
@@ -385,8 +385,8 @@ class MiscController {
         tags: libraryItem.media.tags
       })
       await libraryItem.saveMetadataFile()
-      const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_updated', oldLibraryItem.toJSONExpanded())
+
+      SocketAuthority.emitter('item_updated', libraryItem.toOldJSONExpanded())
       numItemsUpdated++
     }
 
@@ -480,8 +480,8 @@ class MiscController {
           genres: libraryItem.media.genres
         })
         await libraryItem.saveMetadataFile()
-        const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-        SocketAuthority.emitter('item_updated', oldLibraryItem.toJSONExpanded())
+
+        SocketAuthority.emitter('item_updated', libraryItem.toOldJSONExpanded())
         numItemsUpdated++
       }
     }
@@ -523,8 +523,8 @@ class MiscController {
         genres: libraryItem.media.genres
       })
       await libraryItem.saveMetadataFile()
-      const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_updated', oldLibraryItem.toJSONExpanded())
+
+      SocketAuthority.emitter('item_updated', libraryItem.toOldJSONExpanded())
       numItemsUpdated++
     }
 
diff --git a/server/controllers/PlaylistController.js b/server/controllers/PlaylistController.js
index 5b84fe16..972c352a 100644
--- a/server/controllers/PlaylistController.js
+++ b/server/controllers/PlaylistController.js
@@ -3,13 +3,16 @@ const Logger = require('../Logger')
 const SocketAuthority = require('../SocketAuthority')
 const Database = require('../Database')
 
-const Playlist = require('../objects/Playlist')
-
 /**
  * @typedef RequestUserObject
  * @property {import('../models/User')} user
  *
  * @typedef {Request & RequestUserObject} RequestWithUser
+ *
+ * @typedef RequestEntityObject
+ * @property {import('../models/Playlist')} playlist
+ *
+ * @typedef {RequestWithUser & RequestEntityObject} PlaylistControllerRequest
  */
 
 class PlaylistController {
@@ -23,48 +26,103 @@ class PlaylistController {
    * @param {Response} res
    */
   async create(req, res) {
-    const oldPlaylist = new Playlist()
-    req.body.userId = req.user.id
-    const success = oldPlaylist.setData(req.body)
-    if (!success) {
-      return res.status(400).send('Invalid playlist request data')
+    const reqBody = req.body || {}
+
+    // Validation
+    if (!reqBody.name || !reqBody.libraryId) {
+      return res.status(400).send('Invalid playlist data')
+    }
+    if (reqBody.description && typeof reqBody.description !== 'string') {
+      return res.status(400).send('Invalid playlist description')
+    }
+    const items = reqBody.items || []
+    const isPodcast = items.some((i) => i.episodeId)
+    const libraryItemIds = new Set()
+    for (const item of items) {
+      if (!item.libraryItemId || typeof item.libraryItemId !== 'string') {
+        return res.status(400).send('Invalid playlist item')
+      }
+      if (isPodcast && (!item.episodeId || typeof item.episodeId !== 'string')) {
+        return res.status(400).send('Invalid playlist item episodeId')
+      } else if (!isPodcast && item.episodeId) {
+        return res.status(400).send('Invalid playlist item episodeId')
+      }
+      libraryItemIds.add(item.libraryItemId)
     }
 
-    // Create Playlist record
-    const newPlaylist = await Database.playlistModel.createFromOld(oldPlaylist)
-
-    // Lookup all library items in playlist
-    const libraryItemIds = oldPlaylist.items.map((i) => i.libraryItemId).filter((i) => i)
-    const libraryItemsInPlaylist = await Database.libraryItemModel.findAll({
+    // Load library items
+    const libraryItems = await Database.libraryItemModel.findAll({
+      attributes: ['id', 'mediaId', 'mediaType', 'libraryId'],
       where: {
-        id: libraryItemIds
+        id: Array.from(libraryItemIds),
+        libraryId: reqBody.libraryId,
+        mediaType: isPodcast ? 'podcast' : 'book'
       }
     })
+    if (libraryItems.length !== libraryItemIds.size) {
+      return res.status(400).send('Invalid playlist data. Invalid items')
+    }
 
-    // Create playlistMediaItem records
-    const mediaItemsToAdd = []
-    let order = 1
-    for (const mediaItemObj of oldPlaylist.items) {
-      const libraryItem = libraryItemsInPlaylist.find((li) => li.id === mediaItemObj.libraryItemId)
-      if (!libraryItem) continue
-
-      mediaItemsToAdd.push({
-        mediaItemId: mediaItemObj.episodeId || libraryItem.mediaId,
-        mediaItemType: mediaItemObj.episodeId ? 'podcastEpisode' : 'book',
-        playlistId: oldPlaylist.id,
-        order: order++
+    // Validate podcast episodes
+    if (isPodcast) {
+      const podcastEpisodeIds = items.map((i) => i.episodeId)
+      const podcastEpisodes = await Database.podcastEpisodeModel.findAll({
+        attributes: ['id'],
+        where: {
+          id: podcastEpisodeIds
+        }
       })
-    }
-    if (mediaItemsToAdd.length) {
-      await Database.createBulkPlaylistMediaItems(mediaItemsToAdd)
+      if (podcastEpisodes.length !== podcastEpisodeIds.length) {
+        return res.status(400).send('Invalid playlist data. Invalid podcast episodes')
+      }
     }
 
-    const jsonExpanded = await newPlaylist.getOldJsonExpanded()
-    SocketAuthority.clientEmitter(newPlaylist.userId, 'playlist_added', jsonExpanded)
-    res.json(jsonExpanded)
+    const transaction = await Database.sequelize.transaction()
+    try {
+      // Create playlist
+      const newPlaylist = await Database.playlistModel.create(
+        {
+          libraryId: reqBody.libraryId,
+          userId: req.user.id,
+          name: reqBody.name,
+          description: reqBody.description || null
+        },
+        { transaction }
+      )
+
+      // Create playlistMediaItems
+      const playlistItemPayloads = []
+      for (const [index, item] of items.entries()) {
+        const libraryItem = libraryItems.find((li) => li.id === item.libraryItemId)
+        playlistItemPayloads.push({
+          playlistId: newPlaylist.id,
+          mediaItemId: item.episodeId || libraryItem.mediaId,
+          mediaItemType: item.episodeId ? 'podcastEpisode' : 'book',
+          order: index + 1
+        })
+      }
+
+      await Database.playlistMediaItemModel.bulkCreate(playlistItemPayloads, { transaction })
+
+      await transaction.commit()
+
+      newPlaylist.playlistMediaItems = await newPlaylist.getMediaItemsExpandedWithLibraryItem()
+
+      const jsonExpanded = newPlaylist.toOldJSONExpanded()
+      SocketAuthority.clientEmitter(newPlaylist.userId, 'playlist_added', jsonExpanded)
+      res.json(jsonExpanded)
+    } catch (error) {
+      await transaction.rollback()
+      Logger.error('[PlaylistController] create:', error)
+      res.status(500).send('Failed to create playlist')
+    }
   }
 
   /**
+   * @deprecated - Use /api/libraries/:libraryId/playlists
+   * This is not used by Abs web client or mobile apps
+   * TODO: Remove this endpoint or make it the primary
+   *
    * GET: /api/playlists
    * Get all playlists for user
    *
@@ -72,68 +130,89 @@ class PlaylistController {
    * @param {Response} res
    */
   async findAllForUser(req, res) {
-    const playlistsForUser = await Database.playlistModel.findAll({
-      where: {
-        userId: req.user.id
-      }
-    })
-    const playlists = []
-    for (const playlist of playlistsForUser) {
-      const jsonExpanded = await playlist.getOldJsonExpanded()
-      playlists.push(jsonExpanded)
-    }
+    const playlistsForUser = await Database.playlistModel.getOldPlaylistsForUserAndLibrary(req.user.id)
     res.json({
-      playlists
+      playlists: playlistsForUser
     })
   }
 
   /**
    * GET: /api/playlists/:id
    *
-   * @param {RequestWithUser} req
+   * @param {PlaylistControllerRequest} req
    * @param {Response} res
    */
   async findOne(req, res) {
-    const jsonExpanded = await req.playlist.getOldJsonExpanded()
-    res.json(jsonExpanded)
+    req.playlist.playlistMediaItems = await req.playlist.getMediaItemsExpandedWithLibraryItem()
+    res.json(req.playlist.toOldJSONExpanded())
   }
 
   /**
    * PATCH: /api/playlists/:id
    * Update playlist
    *
-   * @param {RequestWithUser} req
+   * Used for updating name and description or reordering items
+   *
+   * @param {PlaylistControllerRequest} req
    * @param {Response} res
    */
   async update(req, res) {
-    const updatedPlaylist = req.playlist.set(req.body)
-    let wasUpdated = false
-    const changed = updatedPlaylist.changed()
-    if (changed?.length) {
-      await req.playlist.save()
-      Logger.debug(`[PlaylistController] Updated playlist ${req.playlist.id} keys [${changed.join(',')}]`)
-      wasUpdated = true
+    // Validation
+    const reqBody = req.body || {}
+    if (reqBody.libraryId || reqBody.userId) {
+      // Could allow support for this if needed with additional validation
+      return res.status(400).send('Invalid playlist data. Cannot update libraryId or userId')
+    }
+    if (reqBody.name && typeof reqBody.name !== 'string') {
+      return res.status(400).send('Invalid playlist name')
+    }
+    if (reqBody.description && typeof reqBody.description !== 'string') {
+      return res.status(400).send('Invalid playlist description')
+    }
+    if (reqBody.items && (!Array.isArray(reqBody.items) || reqBody.items.some((i) => !i.libraryItemId || typeof i.libraryItemId !== 'string' || (i.episodeId && typeof i.episodeId !== 'string')))) {
+      return res.status(400).send('Invalid playlist items')
     }
 
-    // If array of items is passed in then update order of playlist media items
-    const libraryItemIds = req.body.items?.map((i) => i.libraryItemId).filter((i) => i) || []
-    if (libraryItemIds.length) {
+    const playlistUpdatePayload = {}
+    if (reqBody.name) playlistUpdatePayload.name = reqBody.name
+    if (reqBody.description) playlistUpdatePayload.description = reqBody.description
+
+    // Update name and description
+    let wasUpdated = false
+    if (Object.keys(playlistUpdatePayload).length) {
+      req.playlist.set(playlistUpdatePayload)
+      const changed = req.playlist.changed()
+      if (changed?.length) {
+        await req.playlist.save()
+        Logger.debug(`[PlaylistController] Updated playlist ${req.playlist.id} keys [${changed.join(',')}]`)
+        wasUpdated = true
+      }
+    }
+
+    // If array of items is set then update order of playlist media items
+    if (reqBody.items?.length) {
+      const libraryItemIds = Array.from(new Set(reqBody.items.map((i) => i.libraryItemId)))
       const libraryItems = await Database.libraryItemModel.findAll({
+        attributes: ['id', 'mediaId', 'mediaType'],
         where: {
           id: libraryItemIds
         }
       })
-      const existingPlaylistMediaItems = await updatedPlaylist.getPlaylistMediaItems({
+      if (libraryItems.length !== libraryItemIds.length) {
+        return res.status(400).send('Invalid playlist items. Items not found')
+      }
+      /** @type {import('../models/PlaylistMediaItem')[]} */
+      const existingPlaylistMediaItems = await req.playlist.getPlaylistMediaItems({
         order: [['order', 'ASC']]
       })
+      if (existingPlaylistMediaItems.length !== reqBody.items.length) {
+        return res.status(400).send('Invalid playlist items. Length mismatch')
+      }
 
       // Set an array of mediaItemId
       const newMediaItemIdOrder = []
-      for (const item of req.body.items) {
+      for (const item of reqBody.items) {
         const libraryItem = libraryItems.find((li) => li.id === item.libraryItemId)
-        if (!libraryItem) {
-          continue
-        }
         const mediaItemId = item.episodeId || libraryItem.mediaId
         newMediaItemIdOrder.push(mediaItemId)
       }
@@ -146,21 +225,21 @@ class PlaylistController {
       })
 
       // Update order on playlistMediaItem records
-      let order = 1
-      for (const playlistMediaItem of existingPlaylistMediaItems) {
-        if (playlistMediaItem.order !== order) {
+      for (const [index, playlistMediaItem] of existingPlaylistMediaItems.entries()) {
+        if (playlistMediaItem.order !== index + 1) {
           await playlistMediaItem.update({
-            order
+            order: index + 1
           })
           wasUpdated = true
         }
-        order++
       }
     }
 
-    const jsonExpanded = await updatedPlaylist.getOldJsonExpanded()
+    req.playlist.playlistMediaItems = await req.playlist.getMediaItemsExpandedWithLibraryItem()
+
+    const jsonExpanded = req.playlist.toOldJSONExpanded()
     if (wasUpdated) {
-      SocketAuthority.clientEmitter(updatedPlaylist.userId, 'playlist_updated', jsonExpanded)
+      SocketAuthority.clientEmitter(req.playlist.userId, 'playlist_updated', jsonExpanded)
     }
     res.json(jsonExpanded)
   }
@@ -169,11 +248,13 @@ class PlaylistController {
    * DELETE: /api/playlists/:id
    * Remove playlist
    *
-   * @param {RequestWithUser} req
+   * @param {PlaylistControllerRequest} req
    * @param {Response} res
    */
   async delete(req, res) {
-    const jsonExpanded = await req.playlist.getOldJsonExpanded()
+    req.playlist.playlistMediaItems = await req.playlist.getMediaItemsExpandedWithLibraryItem()
+    const jsonExpanded = req.playlist.toOldJSONExpanded()
+
     await req.playlist.destroy()
     SocketAuthority.clientEmitter(jsonExpanded.userId, 'playlist_removed', jsonExpanded)
     res.sendStatus(200)
@@ -183,43 +264,64 @@ class PlaylistController {
    * POST: /api/playlists/:id/item
    * Add item to playlist
    *
-   * @param {RequestWithUser} req
+   * This is not used by Abs web client or mobile apps. Only the batch endpoints are used.
+   *
+   * @param {PlaylistControllerRequest} req
    * @param {Response} res
    */
   async addItem(req, res) {
-    const oldPlaylist = await Database.playlistModel.getById(req.playlist.id)
-    const itemToAdd = req.body
+    const itemToAdd = req.body || {}
 
     if (!itemToAdd.libraryItemId) {
       return res.status(400).send('Request body has no libraryItemId')
     }
 
-    const libraryItem = await Database.libraryItemModel.getOldById(itemToAdd.libraryItemId)
+    const libraryItem = await Database.libraryItemModel.getExpandedById(itemToAdd.libraryItemId)
     if (!libraryItem) {
       return res.status(400).send('Library item not found')
     }
-    if (libraryItem.libraryId !== oldPlaylist.libraryId) {
+    if (libraryItem.libraryId !== req.playlist.libraryId) {
       return res.status(400).send('Library item in different library')
     }
-    if (oldPlaylist.containsItem(itemToAdd)) {
-      return res.status(400).send('Item already in playlist')
-    }
     if ((itemToAdd.episodeId && !libraryItem.isPodcast) || (libraryItem.isPodcast && !itemToAdd.episodeId)) {
       return res.status(400).send('Invalid item to add for this library type')
     }
-    if (itemToAdd.episodeId && !libraryItem.media.checkHasEpisode(itemToAdd.episodeId)) {
+    if (itemToAdd.episodeId && !libraryItem.media.podcastEpisodes.some((pe) => pe.id === itemToAdd.episodeId)) {
       return res.status(400).send('Episode not found in library item')
     }
 
-    const playlistMediaItem = {
-      playlistId: oldPlaylist.id,
-      mediaItemId: itemToAdd.episodeId || libraryItem.media.id,
-      mediaItemType: itemToAdd.episodeId ? 'podcastEpisode' : 'book',
-      order: oldPlaylist.items.length + 1
+    req.playlist.playlistMediaItems = await req.playlist.getMediaItemsExpandedWithLibraryItem()
+
+    if (req.playlist.checkHasMediaItem(itemToAdd.libraryItemId, itemToAdd.episodeId)) {
+      return res.status(400).send('Item already in playlist')
+    }
+
+    const jsonExpanded = req.playlist.toOldJSONExpanded()
+
+    const playlistMediaItem = {
+      playlistId: req.playlist.id,
+      mediaItemId: itemToAdd.episodeId || libraryItem.media.id,
+      mediaItemType: itemToAdd.episodeId ? 'podcastEpisode' : 'book',
+      order: req.playlist.playlistMediaItems.length + 1
+    }
+    await Database.playlistMediaItemModel.create(playlistMediaItem)
+
+    // Add the new item to to the old json expanded to prevent having to fully reload the playlist media items
+    if (itemToAdd.episodeId) {
+      const episode = libraryItem.media.podcastEpisodes.find((ep) => ep.id === itemToAdd.episodeId)
+      jsonExpanded.items.push({
+        episodeId: itemToAdd.episodeId,
+        episode: episode.toOldJSONExpanded(libraryItem.id),
+        libraryItemId: libraryItem.id,
+        libraryItem: libraryItem.toOldJSONMinified()
+      })
+    } else {
+      jsonExpanded.items.push({
+        libraryItemId: libraryItem.id,
+        libraryItem: libraryItem.toOldJSONExpanded()
+      })
     }
 
-    await Database.createPlaylistMediaItem(playlistMediaItem)
-    const jsonExpanded = await req.playlist.getOldJsonExpanded()
     SocketAuthority.clientEmitter(jsonExpanded.userId, 'playlist_updated', jsonExpanded)
     res.json(jsonExpanded)
   }
@@ -228,43 +330,36 @@ class PlaylistController {
    * DELETE: /api/playlists/:id/item/:libraryItemId/:episodeId?
    * Remove item from playlist
    *
-   * @param {RequestWithUser} req
+   * @param {PlaylistControllerRequest} req
    * @param {Response} res
    */
   async removeItem(req, res) {
-    const oldLibraryItem = await Database.libraryItemModel.getOldById(req.params.libraryItemId)
-    if (!oldLibraryItem) {
-      return res.status(404).send('Library item not found')
+    req.playlist.playlistMediaItems = await req.playlist.getMediaItemsExpandedWithLibraryItem()
+
+    let playlistMediaItem = null
+    if (req.params.episodeId) {
+      playlistMediaItem = req.playlist.playlistMediaItems.find((pmi) => pmi.mediaItemId === req.params.episodeId)
+    } else {
+      playlistMediaItem = req.playlist.playlistMediaItems.find((pmi) => pmi.mediaItem.libraryItem?.id === req.params.libraryItemId)
     }
-
-    // Get playlist media items
-    const mediaItemId = req.params.episodeId || oldLibraryItem.media.id
-    const playlistMediaItems = await req.playlist.getPlaylistMediaItems({
-      order: [['order', 'ASC']]
-    })
-
-    // Check if media item to delete is in playlist
-    const mediaItemToRemove = playlistMediaItems.find((pmi) => pmi.mediaItemId === mediaItemId)
-    if (!mediaItemToRemove) {
+    if (!playlistMediaItem) {
       return res.status(404).send('Media item not found in playlist')
     }
 
     // Remove record
-    await mediaItemToRemove.destroy()
+    await playlistMediaItem.destroy()
+    req.playlist.playlistMediaItems = req.playlist.playlistMediaItems.filter((pmi) => pmi.id !== playlistMediaItem.id)
 
     // Update playlist media items order
-    let order = 1
-    for (const mediaItem of playlistMediaItems) {
-      if (mediaItem.mediaItemId === mediaItemId) continue
-      if (mediaItem.order !== order) {
+    for (const [index, mediaItem] of req.playlist.playlistMediaItems.entries()) {
+      if (mediaItem.order !== index + 1) {
         await mediaItem.update({
-          order
+          order: index + 1
         })
       }
-      order++
     }
 
-    const jsonExpanded = await req.playlist.getOldJsonExpanded()
+    const jsonExpanded = req.playlist.toOldJSONExpanded()
 
     // Playlist is removed when there are no items
     if (!jsonExpanded.items.length) {
@@ -282,64 +377,68 @@ class PlaylistController {
    * POST: /api/playlists/:id/batch/add
    * Batch add playlist items
    *
-   * @param {RequestWithUser} req
+   * @param {PlaylistControllerRequest} req
    * @param {Response} res
    */
   async addBatch(req, res) {
-    if (!req.body.items?.length) {
-      return res.status(400).send('Invalid request body')
-    }
-    const itemsToAdd = req.body.items
-
-    const libraryItemIds = itemsToAdd.map((i) => i.libraryItemId).filter((i) => i)
-    if (!libraryItemIds.length) {
-      return res.status(400).send('Invalid request body')
+    if (!req.body.items?.length || !Array.isArray(req.body.items) || req.body.items.some((i) => !i?.libraryItemId || typeof i.libraryItemId !== 'string' || (i.episodeId && typeof i.episodeId !== 'string'))) {
+      return res.status(400).send('Invalid request body items')
     }
 
     // Find all library items
-    const libraryItems = await Database.libraryItemModel.findAll({
-      where: {
-        id: libraryItemIds
-      }
-    })
+    const libraryItemIds = new Set(req.body.items.map((i) => i.libraryItemId).filter((i) => i))
 
-    // Get all existing playlist media items
-    const existingPlaylistMediaItems = await req.playlist.getPlaylistMediaItems({
-      order: [['order', 'ASC']]
-    })
+    const libraryItems = await Database.libraryItemModel.findAllExpandedWhere({ id: Array.from(libraryItemIds) })
+    if (libraryItems.length !== libraryItemIds.size) {
+      return res.status(400).send('Invalid request body items')
+    }
+
+    req.playlist.playlistMediaItems = await req.playlist.getMediaItemsExpandedWithLibraryItem()
 
     const mediaItemsToAdd = []
+    const jsonExpanded = req.playlist.toOldJSONExpanded()
 
     // Setup array of playlistMediaItem records to add
-    let order = existingPlaylistMediaItems.length + 1
-    for (const item of itemsToAdd) {
+    let order = req.playlist.playlistMediaItems.length + 1
+    for (const item of req.body.items) {
       const libraryItem = libraryItems.find((li) => li.id === item.libraryItemId)
-      if (!libraryItem) {
-        return res.status(404).send('Item not found with id ' + item.libraryItemId)
+
+      const mediaItemId = item.episodeId || libraryItem.media.id
+      if (req.playlist.playlistMediaItems.some((pmi) => pmi.mediaItemId === mediaItemId)) {
+        // Already exists in playlist
+        continue
       } else {
-        const mediaItemId = item.episodeId || libraryItem.mediaId
-        if (existingPlaylistMediaItems.some((pmi) => pmi.mediaItemId === mediaItemId)) {
-          // Already exists in playlist
-          continue
+        mediaItemsToAdd.push({
+          playlistId: req.playlist.id,
+          mediaItemId,
+          mediaItemType: item.episodeId ? 'podcastEpisode' : 'book',
+          order: order++
+        })
+
+        // Add the new item to to the old json expanded to prevent having to fully reload the playlist media items
+        if (item.episodeId) {
+          const episode = libraryItem.media.podcastEpisodes.find((ep) => ep.id === item.episodeId)
+          jsonExpanded.items.push({
+            episodeId: item.episodeId,
+            episode: episode.toOldJSONExpanded(libraryItem.id),
+            libraryItemId: libraryItem.id,
+            libraryItem: libraryItem.toOldJSONMinified()
+          })
         } else {
-          mediaItemsToAdd.push({
-            playlistId: req.playlist.id,
-            mediaItemId,
-            mediaItemType: item.episodeId ? 'podcastEpisode' : 'book',
-            order: order++
+          jsonExpanded.items.push({
+            libraryItemId: libraryItem.id,
+            libraryItem: libraryItem.toOldJSONExpanded()
           })
         }
       }
     }
 
-    let jsonExpanded = null
     if (mediaItemsToAdd.length) {
-      await Database.createBulkPlaylistMediaItems(mediaItemsToAdd)
-      jsonExpanded = await req.playlist.getOldJsonExpanded()
+      await Database.playlistMediaItemModel.bulkCreate(mediaItemsToAdd)
+
       SocketAuthority.clientEmitter(req.playlist.userId, 'playlist_updated', jsonExpanded)
-    } else {
-      jsonExpanded = await req.playlist.getOldJsonExpanded()
     }
+
     res.json(jsonExpanded)
   }
 
@@ -347,50 +446,40 @@ class PlaylistController {
    * POST: /api/playlists/:id/batch/remove
    * Batch remove playlist items
    *
-   * @param {RequestWithUser} req
+   * @param {PlaylistControllerRequest} req
    * @param {Response} res
    */
   async removeBatch(req, res) {
-    if (!req.body.items?.length) {
-      return res.status(400).send('Invalid request body')
+    if (!req.body.items?.length || !Array.isArray(req.body.items) || req.body.items.some((i) => !i?.libraryItemId || typeof i.libraryItemId !== 'string' || (i.episodeId && typeof i.episodeId !== 'string'))) {
+      return res.status(400).send('Invalid request body items')
     }
 
-    const itemsToRemove = req.body.items
-    const libraryItemIds = itemsToRemove.map((i) => i.libraryItemId).filter((i) => i)
-    if (!libraryItemIds.length) {
-      return res.status(400).send('Invalid request body')
-    }
-
-    // Find all library items
-    const libraryItems = await Database.libraryItemModel.findAll({
-      where: {
-        id: libraryItemIds
-      }
-    })
-
-    // Get all existing playlist media items for playlist
-    const existingPlaylistMediaItems = await req.playlist.getPlaylistMediaItems({
-      order: [['order', 'ASC']]
-    })
-    let numMediaItems = existingPlaylistMediaItems.length
+    req.playlist.playlistMediaItems = await req.playlist.getMediaItemsExpandedWithLibraryItem()
 
     // Remove playlist media items
     let hasUpdated = false
-    for (const item of itemsToRemove) {
-      const libraryItem = libraryItems.find((li) => li.id === item.libraryItemId)
-      if (!libraryItem) continue
-      const mediaItemId = item.episodeId || libraryItem.mediaId
-      const existingMediaItem = existingPlaylistMediaItems.find((pmi) => pmi.mediaItemId === mediaItemId)
-      if (!existingMediaItem) continue
-      await existingMediaItem.destroy()
+    for (const item of req.body.items) {
+      let playlistMediaItem = null
+      if (item.episodeId) {
+        playlistMediaItem = req.playlist.playlistMediaItems.find((pmi) => pmi.mediaItemId === item.episodeId)
+      } else {
+        playlistMediaItem = req.playlist.playlistMediaItems.find((pmi) => pmi.mediaItem.libraryItem?.id === item.libraryItemId)
+      }
+      if (!playlistMediaItem) {
+        Logger.warn(`[PlaylistController] Playlist item not found in playlist ${req.playlist.id}`, item)
+        continue
+      }
+
+      await playlistMediaItem.destroy()
+      req.playlist.playlistMediaItems = req.playlist.playlistMediaItems.filter((pmi) => pmi.id !== playlistMediaItem.id)
+
       hasUpdated = true
-      numMediaItems--
     }
 
-    const jsonExpanded = await req.playlist.getOldJsonExpanded()
+    const jsonExpanded = req.playlist.toOldJSONExpanded()
     if (hasUpdated) {
       // Playlist is removed when there are no items
-      if (!numMediaItems) {
+      if (!req.playlist.playlistMediaItems.length) {
         Logger.info(`[PlaylistController] Playlist "${req.playlist.name}" has no more items - removing it`)
         await req.playlist.destroy()
         SocketAuthority.clientEmitter(jsonExpanded.userId, 'playlist_removed', jsonExpanded)
@@ -425,33 +514,41 @@ class PlaylistController {
       return res.status(400).send('Collection has no books')
     }
 
-    const oldPlaylist = new Playlist()
-    oldPlaylist.setData({
-      userId: req.user.id,
-      libraryId: collection.libraryId,
-      name: collection.name,
-      description: collection.description || null
-    })
+    const transaction = await Database.sequelize.transaction()
+    try {
+      const playlist = await Database.playlistModel.create(
+        {
+          userId: req.user.id,
+          libraryId: collection.libraryId,
+          name: collection.name,
+          description: collection.description || null
+        },
+        { transaction }
+      )
 
-    // Create Playlist record
-    const newPlaylist = await Database.playlistModel.createFromOld(oldPlaylist)
+      const mediaItemsToAdd = []
+      for (const [index, libraryItem] of collectionExpanded.books.entries()) {
+        mediaItemsToAdd.push({
+          playlistId: playlist.id,
+          mediaItemId: libraryItem.media.id,
+          mediaItemType: 'book',
+          order: index + 1
+        })
+      }
+      await Database.playlistMediaItemModel.bulkCreate(mediaItemsToAdd, { transaction })
 
-    // Create PlaylistMediaItem records
-    const mediaItemsToAdd = []
-    let order = 1
-    for (const libraryItem of collectionExpanded.books) {
-      mediaItemsToAdd.push({
-        playlistId: newPlaylist.id,
-        mediaItemId: libraryItem.media.id,
-        mediaItemType: 'book',
-        order: order++
-      })
+      await transaction.commit()
+
+      playlist.playlistMediaItems = await playlist.getMediaItemsExpandedWithLibraryItem()
+
+      const jsonExpanded = playlist.toOldJSONExpanded()
+      SocketAuthority.clientEmitter(playlist.userId, 'playlist_added', jsonExpanded)
+      res.json(jsonExpanded)
+    } catch (error) {
+      await transaction.rollback()
+      Logger.error('[PlaylistController] createFromCollection:', error)
+      res.status(500).send('Failed to create playlist')
     }
-    await Database.createBulkPlaylistMediaItems(mediaItemsToAdd)
-
-    const jsonExpanded = await newPlaylist.getOldJsonExpanded()
-    SocketAuthority.clientEmitter(newPlaylist.userId, 'playlist_added', jsonExpanded)
-    res.json(jsonExpanded)
   }
 
   /**
diff --git a/server/controllers/PodcastController.js b/server/controllers/PodcastController.js
index 3610c2ea..3d8ff240 100644
--- a/server/controllers/PodcastController.js
+++ b/server/controllers/PodcastController.js
@@ -1,3 +1,4 @@
+const Path = require('path')
 const { Request, Response, NextFunction } = require('express')
 const Logger = require('../Logger')
 const SocketAuthority = require('../SocketAuthority')
@@ -12,13 +13,16 @@ const { validateUrl } = require('../utils/index')
 const Scanner = require('../scanner/Scanner')
 const CoverManager = require('../managers/CoverManager')
 
-const LibraryItem = require('../objects/LibraryItem')
-
 /**
  * @typedef RequestUserObject
  * @property {import('../models/User')} user
  *
  * @typedef {Request & RequestUserObject} RequestWithUser
+ *
+ * @typedef RequestEntityObject
+ * @property {import('../models/LibraryItem')} libraryItem
+ *
+ * @typedef {RequestWithUser & RequestEntityObject} RequestWithLibraryItem
  */
 
 class PodcastController {
@@ -37,6 +41,9 @@ class PodcastController {
       return res.sendStatus(403)
     }
     const payload = req.body
+    if (!payload.media || !payload.media.metadata) {
+      return res.status(400).send('Invalid request body. "media" and "media.metadata" are required')
+    }
 
     const library = await Database.libraryModel.findByIdWithFolders(payload.libraryId)
     if (!library) {
@@ -78,48 +85,87 @@ class PodcastController {
     let relPath = payload.path.replace(folder.fullPath, '')
     if (relPath.startsWith('/')) relPath = relPath.slice(1)
 
-    const libraryItemPayload = {
-      path: podcastPath,
-      relPath,
-      folderId: payload.folderId,
-      libraryId: payload.libraryId,
-      ino: libraryItemFolderStats.ino,
-      mtimeMs: libraryItemFolderStats.mtimeMs || 0,
-      ctimeMs: libraryItemFolderStats.ctimeMs || 0,
-      birthtimeMs: libraryItemFolderStats.birthtimeMs || 0,
-      media: payload.media
+    let newLibraryItem = null
+    const transaction = await Database.sequelize.transaction()
+    try {
+      const podcast = await Database.podcastModel.createFromRequest(payload.media, transaction)
+
+      newLibraryItem = await Database.libraryItemModel.create(
+        {
+          ino: libraryItemFolderStats.ino,
+          path: podcastPath,
+          relPath,
+          mediaId: podcast.id,
+          mediaType: 'podcast',
+          isFile: false,
+          isMissing: false,
+          isInvalid: false,
+          mtime: libraryItemFolderStats.mtimeMs || 0,
+          ctime: libraryItemFolderStats.ctimeMs || 0,
+          birthtime: libraryItemFolderStats.birthtimeMs || 0,
+          size: 0,
+          libraryFiles: [],
+          extraData: {},
+          libraryId: library.id,
+          libraryFolderId: folder.id
+        },
+        { transaction }
+      )
+
+      await transaction.commit()
+    } catch (error) {
+      Logger.error(`[PodcastController] Failed to create podcast: ${error}`)
+      await transaction.rollback()
+      return res.status(500).send('Failed to create podcast')
     }
 
-    const libraryItem = new LibraryItem()
-    libraryItem.setData('podcast', libraryItemPayload)
+    newLibraryItem.media = await newLibraryItem.getMediaExpanded()
 
     // Download and save cover image
-    if (payload.media.metadata.imageUrl) {
-      // TODO: Scan cover image to library files
+    if (typeof payload.media.metadata.imageUrl === 'string' && payload.media.metadata.imageUrl.startsWith('http')) {
       // Podcast cover will always go into library item folder
-      const coverResponse = await CoverManager.downloadCoverFromUrl(libraryItem, payload.media.metadata.imageUrl, true)
-      if (coverResponse) {
-        if (coverResponse.error) {
-          Logger.error(`[PodcastController] Download cover error from "${payload.media.metadata.imageUrl}": ${coverResponse.error}`)
-        } else if (coverResponse.cover) {
-          libraryItem.media.coverPath = coverResponse.cover
+      const coverResponse = await CoverManager.downloadCoverFromUrlNew(payload.media.metadata.imageUrl, newLibraryItem.id, newLibraryItem.path, true)
+      if (coverResponse.error) {
+        Logger.error(`[PodcastController] Download cover error from "${payload.media.metadata.imageUrl}": ${coverResponse.error}`)
+      } else if (coverResponse.cover) {
+        const coverImageFileStats = await getFileTimestampsWithIno(coverResponse.cover)
+        if (!coverImageFileStats) {
+          Logger.error(`[PodcastController] Failed to get cover image stats for "${coverResponse.cover}"`)
+        } else {
+          // Add libraryFile to libraryItem and coverPath to podcast
+          const newLibraryFile = {
+            ino: coverImageFileStats.ino,
+            fileType: 'image',
+            addedAt: Date.now(),
+            updatedAt: Date.now(),
+            metadata: {
+              filename: Path.basename(coverResponse.cover),
+              ext: Path.extname(coverResponse.cover).slice(1),
+              path: coverResponse.cover,
+              relPath: Path.basename(coverResponse.cover),
+              size: coverImageFileStats.size,
+              mtimeMs: coverImageFileStats.mtimeMs || 0,
+              ctimeMs: coverImageFileStats.ctimeMs || 0,
+              birthtimeMs: coverImageFileStats.birthtimeMs || 0
+            }
+          }
+          newLibraryItem.libraryFiles.push(newLibraryFile)
+          newLibraryItem.changed('libraryFiles', true)
+          await newLibraryItem.save()
+
+          newLibraryItem.media.coverPath = coverResponse.cover
+          await newLibraryItem.media.save()
         }
       }
     }
 
-    await Database.createLibraryItem(libraryItem)
-    SocketAuthority.emitter('item_added', libraryItem.toJSONExpanded())
+    SocketAuthority.emitter('item_added', newLibraryItem.toOldJSONExpanded())
 
-    res.json(libraryItem.toJSONExpanded())
-
-    if (payload.episodesToDownload?.length) {
-      Logger.info(`[PodcastController] Podcast created now starting ${payload.episodesToDownload.length} episode downloads`)
-      this.podcastManager.downloadPodcastEpisodes(libraryItem, payload.episodesToDownload)
-    }
+    res.json(newLibraryItem.toOldJSONExpanded())
 
     // Turn on podcast auto download cron if not already on
-    if (libraryItem.media.autoDownloadEpisodes) {
-      this.cronManager.checkUpdatePodcastCron(libraryItem)
+    if (newLibraryItem.media.autoDownloadEpisodes) {
+      this.cronManager.checkUpdatePodcastCron(newLibraryItem)
     }
   }
 
@@ -213,7 +259,7 @@ class PodcastController {
    *
    * @this import('../routers/ApiRouter')
    *
-   * @param {RequestWithUser} req
+   * @param {RequestWithLibraryItem} req
    * @param {Response} res
    */
   async checkNewEpisodes(req, res) {
@@ -222,15 +268,14 @@ class PodcastController {
       return res.sendStatus(403)
     }
 
-    var libraryItem = req.libraryItem
-    if (!libraryItem.media.metadata.feedUrl) {
-      Logger.error(`[PodcastController] checkNewEpisodes no feed url for item ${libraryItem.id}`)
-      return res.status(500).send('Podcast has no rss feed url')
+    if (!req.libraryItem.media.feedURL) {
+      Logger.error(`[PodcastController] checkNewEpisodes no feed url for item ${req.libraryItem.id}`)
+      return res.status(400).send('Podcast has no rss feed url')
     }
 
     const maxEpisodesToDownload = !isNaN(req.query.limit) ? Number(req.query.limit) : 3
 
-    var newEpisodes = await this.podcastManager.checkAndDownloadNewEpisodes(libraryItem, maxEpisodesToDownload)
+    const newEpisodes = await this.podcastManager.checkAndDownloadNewEpisodes(req.libraryItem, maxEpisodesToDownload)
     res.json({
       episodes: newEpisodes || []
     })
@@ -258,23 +303,28 @@ class PodcastController {
    *
    * @this {import('../routers/ApiRouter')}
    *
-   * @param {RequestWithUser} req
+   * @param {RequestWithLibraryItem} req
    * @param {Response} res
    */
   getEpisodeDownloads(req, res) {
-    var libraryItem = req.libraryItem
-
-    var downloadsInQueue = this.podcastManager.getEpisodeDownloadsInQueue(libraryItem.id)
+    const downloadsInQueue = this.podcastManager.getEpisodeDownloadsInQueue(req.libraryItem.id)
     res.json({
       downloads: downloadsInQueue.map((d) => d.toJSONForClient())
     })
   }
 
+  /**
+   * GET: /api/podcasts/:id/search-episode
+   * Search for an episode in a podcast
+   *
+   * @param {RequestWithLibraryItem} req
+   * @param {Response} res
+   */
   async findEpisode(req, res) {
-    const rssFeedUrl = req.libraryItem.media.metadata.feedUrl
+    const rssFeedUrl = req.libraryItem.media.feedURL
     if (!rssFeedUrl) {
       Logger.error(`[PodcastController] findEpisode: Podcast has no feed url`)
-      return res.status(500).send('Podcast does not have an RSS feed URL')
+      return res.status(400).send('Podcast does not have an RSS feed URL')
     }
 
     const searchTitle = req.query.title
@@ -292,7 +342,7 @@ class PodcastController {
    *
    * @this {import('../routers/ApiRouter')}
    *
-   * @param {RequestWithUser} req
+   * @param {RequestWithLibraryItem} req
    * @param {Response} res
    */
   async downloadEpisodes(req, res) {
@@ -300,13 +350,13 @@ class PodcastController {
       Logger.error(`[PodcastController] Non-admin user "${req.user.username}" attempted to download episodes`)
       return res.sendStatus(403)
     }
-    const libraryItem = req.libraryItem
+
     const episodes = req.body
-    if (!episodes?.length) {
+    if (!Array.isArray(episodes) || !episodes.length) {
       return res.sendStatus(400)
     }
 
-    this.podcastManager.downloadPodcastEpisodes(libraryItem, episodes)
+    this.podcastManager.downloadPodcastEpisodes(req.libraryItem, episodes)
     res.sendStatus(200)
   }
 
@@ -315,7 +365,7 @@ class PodcastController {
    *
    * @this {import('../routers/ApiRouter')}
    *
-   * @param {RequestWithUser} req
+   * @param {RequestWithLibraryItem} req
    * @param {Response} res
    */
   async quickMatchEpisodes(req, res) {
@@ -325,10 +375,11 @@ class PodcastController {
     }
 
     const overrideDetails = req.query.override === '1'
-    const episodesUpdated = await Scanner.quickMatchPodcastEpisodes(req.libraryItem, { overrideDetails })
+    const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(req.libraryItem)
+    const episodesUpdated = await Scanner.quickMatchPodcastEpisodes(oldLibraryItem, { overrideDetails })
     if (episodesUpdated) {
-      await Database.updateLibraryItem(req.libraryItem)
-      SocketAuthority.emitter('item_updated', req.libraryItem.toJSONExpanded())
+      await Database.updateLibraryItem(oldLibraryItem)
+      SocketAuthority.emitter('item_updated', oldLibraryItem.toJSONExpanded())
     }
 
     res.json({
@@ -339,58 +390,76 @@ class PodcastController {
   /**
    * PATCH: /api/podcasts/:id/episode/:episodeId
    *
-   * @param {RequestWithUser} req
+   * @param {RequestWithLibraryItem} req
    * @param {Response} res
    */
   async updateEpisode(req, res) {
-    const libraryItem = req.libraryItem
-
-    var episodeId = req.params.episodeId
-    if (!libraryItem.media.checkHasEpisode(episodeId)) {
+    /** @type {import('../models/PodcastEpisode')} */
+    const episode = req.libraryItem.media.podcastEpisodes.find((ep) => ep.id === req.params.episodeId)
+    if (!episode) {
       return res.status(404).send('Episode not found')
     }
 
-    if (libraryItem.media.updateEpisode(episodeId, req.body)) {
-      await Database.updateLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+    const updatePayload = {}
+    const supportedStringKeys = ['title', 'subtitle', 'description', 'pubDate', 'episode', 'season', 'episodeType']
+    for (const key in req.body) {
+      if (supportedStringKeys.includes(key) && typeof req.body[key] === 'string') {
+        updatePayload[key] = req.body[key]
+      } else if (key === 'chapters' && Array.isArray(req.body[key]) && req.body[key].every((ch) => typeof ch === 'object' && ch.title && ch.start)) {
+        updatePayload[key] = req.body[key]
+      } else if (key === 'publishedAt' && typeof req.body[key] === 'number') {
+        updatePayload[key] = req.body[key]
+      }
     }
 
-    res.json(libraryItem.toJSONExpanded())
+    if (Object.keys(updatePayload).length) {
+      episode.set(updatePayload)
+      if (episode.changed()) {
+        Logger.info(`[PodcastController] Updated episode "${episode.title}" keys`, episode.changed())
+        await episode.save()
+
+        SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
+      } else {
+        Logger.info(`[PodcastController] No changes to episode "${episode.title}"`)
+      }
+    }
+
+    res.json(req.libraryItem.toOldJSONExpanded())
   }
 
   /**
    * GET: /api/podcasts/:id/episode/:episodeId
    *
-   * @param {RequestWithUser} req
+   * @param {RequestWithLibraryItem} req
    * @param {Response} res
    */
   async getEpisode(req, res) {
     const episodeId = req.params.episodeId
-    const libraryItem = req.libraryItem
 
-    const episode = libraryItem.media.episodes.find((ep) => ep.id === episodeId)
+    /** @type {import('../models/PodcastEpisode')} */
+    const episode = req.libraryItem.media.podcastEpisodes.find((ep) => ep.id === episodeId)
     if (!episode) {
-      Logger.error(`[PodcastController] getEpisode episode ${episodeId} not found for item ${libraryItem.id}`)
+      Logger.error(`[PodcastController] getEpisode episode ${episodeId} not found for item ${req.libraryItem.id}`)
       return res.sendStatus(404)
     }
 
-    res.json(episode)
+    res.json(episode.toOldJSON(req.libraryItem.id))
   }
 
   /**
    * DELETE: /api/podcasts/:id/episode/:episodeId
    *
-   * @param {RequestWithUser} req
+   * @param {RequestWithLibraryItem} req
    * @param {Response} res
    */
   async removeEpisode(req, res) {
     const episodeId = req.params.episodeId
-    const libraryItem = req.libraryItem
     const hardDelete = req.query.hard === '1'
 
-    const episode = libraryItem.media.episodes.find((ep) => ep.id === episodeId)
+    /** @type {import('../models/PodcastEpisode')} */
+    const episode = req.libraryItem.media.podcastEpisodes.find((ep) => ep.id === episodeId)
     if (!episode) {
-      Logger.error(`[PodcastController] removeEpisode episode ${episodeId} not found for item ${libraryItem.id}`)
+      Logger.error(`[PodcastController] removeEpisode episode ${episodeId} not found for item ${req.libraryItem.id}`)
       return res.sendStatus(404)
     }
 
@@ -407,36 +476,8 @@ class PodcastController {
         })
     }
 
-    // Remove episode from Podcast and library file
-    const episodeRemoved = libraryItem.media.removeEpisode(episodeId)
-    if (episodeRemoved?.audioFile) {
-      libraryItem.removeLibraryFile(episodeRemoved.audioFile.ino)
-    }
-
-    // Update/remove playlists that had this podcast episode
-    const playlistMediaItems = await Database.playlistMediaItemModel.findAll({
-      where: {
-        mediaItemId: episodeId
-      },
-      include: {
-        model: Database.playlistModel,
-        include: Database.playlistMediaItemModel
-      }
-    })
-    for (const pmi of playlistMediaItems) {
-      const numItems = pmi.playlist.playlistMediaItems.length - 1
-
-      if (!numItems) {
-        Logger.info(`[PodcastController] Playlist "${pmi.playlist.name}" has no more items - removing it`)
-        const jsonExpanded = await pmi.playlist.getOldJsonExpanded()
-        SocketAuthority.clientEmitter(pmi.playlist.userId, 'playlist_removed', jsonExpanded)
-        await pmi.playlist.destroy()
-      } else {
-        await pmi.destroy()
-        const jsonExpanded = await pmi.playlist.getOldJsonExpanded()
-        SocketAuthority.clientEmitter(pmi.playlist.userId, 'playlist_updated', jsonExpanded)
-      }
-    }
+    // Remove episode from playlists
+    await Database.playlistModel.removeMediaItemsFromPlaylists([episodeId])
 
     // Remove media progress for this episode
     const mediaProgressRemoved = await Database.mediaProgressModel.destroy({
@@ -448,9 +489,16 @@ class PodcastController {
       Logger.info(`[PodcastController] Removed ${mediaProgressRemoved} media progress for episode ${episode.id}`)
     }
 
-    await Database.updateLibraryItem(libraryItem)
-    SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
-    res.json(libraryItem.toJSON())
+    // Remove episode
+    await episode.destroy()
+
+    // Remove library file
+    req.libraryItem.libraryFiles = req.libraryItem.libraryFiles.filter((file) => file.ino !== episode.audioFile.ino)
+    req.libraryItem.changed('libraryFiles', true)
+    await req.libraryItem.save()
+
+    SocketAuthority.emitter('item_updated', req.libraryItem.toOldJSONExpanded())
+    res.json(req.libraryItem.toOldJSON())
   }
 
   /**
@@ -460,15 +508,15 @@ class PodcastController {
    * @param {NextFunction} next
    */
   async middleware(req, res, next) {
-    const item = await Database.libraryItemModel.getOldById(req.params.id)
-    if (!item?.media) return res.sendStatus(404)
+    const libraryItem = await Database.libraryItemModel.getExpandedById(req.params.id)
+    if (!libraryItem?.media) return res.sendStatus(404)
 
-    if (!item.isPodcast) {
+    if (!libraryItem.isPodcast) {
       return res.sendStatus(500)
     }
 
     // Check user can access this library item
-    if (!req.user.checkCanAccessLibraryItem(item)) {
+    if (!req.user.checkCanAccessLibraryItem(libraryItem)) {
       return res.sendStatus(403)
     }
 
@@ -480,7 +528,7 @@ class PodcastController {
       return res.sendStatus(403)
     }
 
-    req.libraryItem = item
+    req.libraryItem = libraryItem
     next()
   }
 }
diff --git a/server/controllers/SessionController.js b/server/controllers/SessionController.js
index cc6c0fd7..c3361ce9 100644
--- a/server/controllers/SessionController.js
+++ b/server/controllers/SessionController.js
@@ -149,7 +149,7 @@ class SessionController {
    * @param {Response} res
    */
   async getOpenSession(req, res) {
-    const libraryItem = await Database.libraryItemModel.getOldById(req.playbackSession.libraryItemId)
+    const libraryItem = await Database.libraryItemModel.getExpandedById(req.playbackSession.libraryItemId)
     const sessionForClient = req.playbackSession.toJSONForClient(libraryItem)
     res.json(sessionForClient)
   }
diff --git a/server/controllers/ShareController.js b/server/controllers/ShareController.js
index e1568c0d..3e7ea1de 100644
--- a/server/controllers/ShareController.js
+++ b/server/controllers/ShareController.js
@@ -7,6 +7,7 @@ const Database = require('../Database')
 
 const { PlayMethod } = require('../utils/constants')
 const { getAudioMimeTypeFromExtname, encodeUriPath } = require('../utils/fileUtils')
+const zipHelpers = require('../utils/zipHelpers')
 
 const PlaybackSession = require('../objects/PlaybackSession')
 const ShareManager = require('../managers/ShareManager')
@@ -69,14 +70,13 @@ class ShareController {
     }
 
     try {
-      const oldLibraryItem = await Database.mediaItemShareModel.getMediaItemsOldLibraryItem(mediaItemShare.mediaItemId, mediaItemShare.mediaItemType)
-
-      if (!oldLibraryItem) {
+      const libraryItem = await Database.mediaItemShareModel.getMediaItemsLibraryItem(mediaItemShare.mediaItemId, mediaItemShare.mediaItemType)
+      if (!libraryItem) {
         return res.status(404).send('Media item not found')
       }
 
       let startOffset = 0
-      const publicTracks = oldLibraryItem.media.includedAudioFiles.map((audioFile) => {
+      const publicTracks = libraryItem.media.includedAudioFiles.map((audioFile) => {
         const audioTrack = {
           index: audioFile.index,
           startOffset,
@@ -85,7 +85,7 @@ class ShareController {
           contentUrl: `${global.RouterBasePath}/public/share/${slug}/track/${audioFile.index}`,
           mimeType: audioFile.mimeType,
           codec: audioFile.codec || null,
-          metadata: audioFile.metadata.clone()
+          metadata: structuredClone(audioFile.metadata)
         }
         startOffset += audioTrack.duration
         return audioTrack
@@ -104,12 +104,12 @@ class ShareController {
       const deviceInfo = await this.playbackSessionManager.getDeviceInfo(req, clientDeviceInfo)
 
       const newPlaybackSession = new PlaybackSession()
-      newPlaybackSession.setData(oldLibraryItem, null, 'web-share', deviceInfo, startTime)
+      newPlaybackSession.setData(libraryItem, null, 'web-share', deviceInfo, startTime)
       newPlaybackSession.audioTracks = publicTracks
       newPlaybackSession.playMethod = PlayMethod.DIRECTPLAY
       newPlaybackSession.shareSessionId = shareSessionId
       newPlaybackSession.mediaItemShareId = mediaItemShare.id
-      newPlaybackSession.coverAspectRatio = oldLibraryItem.librarySettings.coverAspectRatio
+      newPlaybackSession.coverAspectRatio = libraryItem.library.settings.coverAspectRatio
 
       mediaItemShare.playbackSession = newPlaybackSession.toJSONForClient()
       ShareManager.addOpenSharePlaybackSession(newPlaybackSession)
@@ -210,6 +210,65 @@ class ShareController {
     res.sendFile(audioTrackPath)
   }
 
+  /**
+   * Public route - requires share_session_id cookie
+   *
+   * GET: /api/share/:slug/download
+   * Downloads media item share
+   *
+   * @param {Request} req
+   * @param {Response} res
+   */
+  async downloadMediaItemShare(req, res) {
+    if (!req.cookies.share_session_id) {
+      return res.status(404).send('Share session not set')
+    }
+
+    const { slug } = req.params
+    const mediaItemShare = ShareManager.findBySlug(slug)
+    if (!mediaItemShare) {
+      return res.status(404)
+    }
+    if (!mediaItemShare.isDownloadable) {
+      return res.status(403).send('Download is not allowed for this item')
+    }
+
+    const playbackSession = ShareManager.findPlaybackSessionBySessionId(req.cookies.share_session_id)
+    if (!playbackSession || playbackSession.mediaItemShareId !== mediaItemShare.id) {
+      return res.status(404).send('Share session not found')
+    }
+
+    const libraryItem = await Database.libraryItemModel.findByPk(playbackSession.libraryItemId, {
+      attributes: ['id', 'path', 'relPath', 'isFile']
+    })
+    if (!libraryItem) {
+      return res.status(404).send('Library item not found')
+    }
+
+    const itemPath = libraryItem.path
+    const itemTitle = playbackSession.displayTitle
+
+    Logger.info(`[ShareController] Requested download for book "${itemTitle}" at "${itemPath}"`)
+
+    try {
+      if (libraryItem.isFile) {
+        const audioMimeType = getAudioMimeTypeFromExtname(Path.extname(itemPath))
+        if (audioMimeType) {
+          res.setHeader('Content-Type', audioMimeType)
+        }
+        await new Promise((resolve, reject) => res.download(itemPath, libraryItem.relPath, (error) => (error ? reject(error) : resolve())))
+      } else {
+        const filename = `${itemTitle}.zip`
+        await zipHelpers.zipDirectoryPipe(itemPath, filename, res)
+      }
+
+      Logger.info(`[ShareController] Downloaded item "${itemTitle}" at "${itemPath}"`)
+    } catch (error) {
+      Logger.error(`[ShareController] Download failed for item "${itemTitle}" at "${itemPath}"`, error)
+      res.status(500).send('Failed to download the item')
+    }
+  }
+
   /**
    * Public route - requires share_session_id cookie
    *
@@ -259,7 +318,7 @@ class ShareController {
       return res.sendStatus(403)
     }
 
-    const { slug, expiresAt, mediaItemType, mediaItemId } = req.body
+    const { slug, expiresAt, mediaItemType, mediaItemId, isDownloadable } = req.body
 
     if (!slug?.trim?.() || typeof mediaItemType !== 'string' || typeof mediaItemId !== 'string') {
       return res.status(400).send('Missing or invalid required fields')
@@ -298,7 +357,8 @@ class ShareController {
         expiresAt: expiresAt || null,
         mediaItemId,
         mediaItemType,
-        userId: req.user.id
+        userId: req.user.id,
+        isDownloadable
       })
 
       ShareManager.openMediaItemShare(mediaItemShare)
diff --git a/server/managers/ApiCacheManager.js b/server/managers/ApiCacheManager.js
index 35009447..81b58c99 100644
--- a/server/managers/ApiCacheManager.js
+++ b/server/managers/ApiCacheManager.js
@@ -42,6 +42,8 @@ class ApiCacheManager {
         Logger.debug(`[ApiCacheManager] Skipping cache for random sort`)
         return next()
       }
+      // Force URL to be lower case for matching against routes
+      req.url = req.url.toLowerCase()
       const key = { user: req.user.username, url: req.url }
       const stringifiedKey = JSON.stringify(key)
       Logger.debug(`[ApiCacheManager] count: ${this.cache.size} size: ${this.cache.calculatedSize}`)
diff --git a/server/managers/AudioMetadataManager.js b/server/managers/AudioMetadataManager.js
index 7911178e..36aecb97 100644
--- a/server/managers/AudioMetadataManager.js
+++ b/server/managers/AudioMetadataManager.js
@@ -34,8 +34,13 @@ class AudioMetadataMangaer {
     return this.tasksQueued.some((t) => t.data.libraryItemId === libraryItemId) || this.tasksRunning.some((t) => t.data.libraryItemId === libraryItemId)
   }
 
+  /**
+   *
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @returns
+   */
   getMetadataObjectForApi(libraryItem) {
-    return ffmpegHelpers.getFFMetadataObject(libraryItem, libraryItem.media.includedAudioFiles.length)
+    return ffmpegHelpers.getFFMetadataObject(libraryItem.toOldJSONExpanded(), libraryItem.media.includedAudioFiles.length)
   }
 
   /**
diff --git a/server/managers/CoverManager.js b/server/managers/CoverManager.js
index 2b3a697d..945c69ab 100644
--- a/server/managers/CoverManager.js
+++ b/server/managers/CoverManager.js
@@ -79,6 +79,12 @@ class CoverManager {
     return imgType
   }
 
+  /**
+   *
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @param {*} coverFile - file object from req.files
+   * @returns {Promise<{error:string}|{cover:string}>}
+   */
   async uploadCover(libraryItem, coverFile) {
     const extname = Path.extname(coverFile.name.toLowerCase())
     if (!extname || !globals.SupportedImageTypes.includes(extname.slice(1))) {
@@ -110,14 +116,20 @@ class CoverManager {
     await this.removeOldCovers(coverDirPath, extname)
     await CacheManager.purgeCoverCache(libraryItem.id)
 
-    Logger.info(`[CoverManager] Uploaded libraryItem cover "${coverFullPath}" for "${libraryItem.media.metadata.title}"`)
+    Logger.info(`[CoverManager] Uploaded libraryItem cover "${coverFullPath}" for "${libraryItem.media.title}"`)
 
-    libraryItem.updateMediaCover(coverFullPath)
     return {
       cover: coverFullPath
     }
   }
 
+  /**
+   *
+   * @param {Object} libraryItem - old library item
+   * @param {string} url
+   * @param {boolean} [forceLibraryItemFolder=false]
+   * @returns {Promise<{error:string}|{cover:string}>}
+   */
   async downloadCoverFromUrl(libraryItem, url, forceLibraryItemFolder = false) {
     try {
       // Force save cover with library item is used for adding new podcasts
@@ -166,6 +178,12 @@ class CoverManager {
     }
   }
 
+  /**
+   *
+   * @param {string} coverPath
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @returns {Promise<{error:string}|{cover:string,updated:boolean}>}
+   */
   async validateCoverPath(coverPath, libraryItem) {
     // Invalid cover path
     if (!coverPath || coverPath.startsWith('http:') || coverPath.startsWith('https:')) {
@@ -235,7 +253,6 @@ class CoverManager {
 
     await CacheManager.purgeCoverCache(libraryItem.id)
 
-    libraryItem.updateMediaCover(coverPath)
     return {
       cover: coverPath,
       updated: true
@@ -321,13 +338,14 @@ class CoverManager {
    *
    * @param {string} url
    * @param {string} libraryItemId
-   * @param {string} [libraryItemPath] null if library item isFile or is from adding new podcast
+   * @param {string} [libraryItemPath] - null if library item isFile
+   * @param {boolean} [forceLibraryItemFolder=false] - force save cover with library item (used for adding new podcasts)
    * @returns {Promise<{error:string}|{cover:string}>}
    */
-  async downloadCoverFromUrlNew(url, libraryItemId, libraryItemPath) {
+  async downloadCoverFromUrlNew(url, libraryItemId, libraryItemPath, forceLibraryItemFolder = false) {
     try {
       let coverDirPath = null
-      if (global.ServerSettings.storeCoverWithItem && libraryItemPath) {
+      if ((global.ServerSettings.storeCoverWithItem || forceLibraryItemFolder) && libraryItemPath) {
         coverDirPath = libraryItemPath
       } else {
         coverDirPath = Path.posix.join(global.MetadataPath, 'items', libraryItemId)
diff --git a/server/managers/CronManager.js b/server/managers/CronManager.js
index 7a8c9bd0..3f948583 100644
--- a/server/managers/CronManager.js
+++ b/server/managers/CronManager.js
@@ -181,7 +181,7 @@ class CronManager {
     // Get podcast library items to check
     const libraryItems = []
     for (const libraryItemId of libraryItemIds) {
-      const libraryItem = await Database.libraryItemModel.getOldById(libraryItemId)
+      const libraryItem = await Database.libraryItemModel.getExpandedById(libraryItemId)
       if (!libraryItem) {
         Logger.error(`[CronManager] Library item ${libraryItemId} not found for episode check cron ${expression}`)
         podcastCron.libraryItemIds = podcastCron.libraryItemIds.filter((lid) => lid !== libraryItemId) // Filter it out
@@ -215,6 +215,10 @@ class CronManager {
     this.podcastCrons = this.podcastCrons.filter((pc) => pc.expression !== podcastCron.expression)
   }
 
+  /**
+   *
+   * @param {import('../models/LibraryItem')} libraryItem
+   */
   checkUpdatePodcastCron(libraryItem) {
     // Remove from old cron by library item id
     const existingCron = this.podcastCrons.find((pc) => pc.libraryItemIds.includes(libraryItem.id))
@@ -230,7 +234,10 @@ class CronManager {
       const cronMatchingExpression = this.podcastCrons.find((pc) => pc.expression === libraryItem.media.autoDownloadSchedule)
       if (cronMatchingExpression) {
         cronMatchingExpression.libraryItemIds.push(libraryItem.id)
-        Logger.info(`[CronManager] Added podcast "${libraryItem.media.metadata.title}" to auto dl episode cron "${cronMatchingExpression.expression}"`)
+
+        // TODO: Update after old model removed
+        const podcastTitle = libraryItem.media.title || libraryItem.media.metadata?.title
+        Logger.info(`[CronManager] Added podcast "${podcastTitle}" to auto dl episode cron "${cronMatchingExpression.expression}"`)
       } else {
         this.startPodcastCron(libraryItem.media.autoDownloadSchedule, [libraryItem.id])
       }
diff --git a/server/managers/NotificationManager.js b/server/managers/NotificationManager.js
index c48e878c..8edcf428 100644
--- a/server/managers/NotificationManager.js
+++ b/server/managers/NotificationManager.js
@@ -14,6 +14,11 @@ class NotificationManager {
     return notificationData
   }
 
+  /**
+   *
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @param {import('../models/PodcastEpisode')} episode
+   */
   async onPodcastEpisodeDownloaded(libraryItem, episode) {
     if (!Database.notificationSettings.isUseable) return
 
@@ -22,17 +27,17 @@ class NotificationManager {
       return
     }
 
-    Logger.debug(`[NotificationManager] onPodcastEpisodeDownloaded: Episode "${episode.title}" for podcast ${libraryItem.media.metadata.title}`)
+    Logger.debug(`[NotificationManager] onPodcastEpisodeDownloaded: Episode "${episode.title}" for podcast ${libraryItem.media.title}`)
     const library = await Database.libraryModel.findByPk(libraryItem.libraryId)
     const eventData = {
       libraryItemId: libraryItem.id,
       libraryId: libraryItem.libraryId,
       libraryName: library?.name || 'Unknown',
       mediaTags: (libraryItem.media.tags || []).join(', '),
-      podcastTitle: libraryItem.media.metadata.title,
-      podcastAuthor: libraryItem.media.metadata.author || '',
-      podcastDescription: libraryItem.media.metadata.description || '',
-      podcastGenres: (libraryItem.media.metadata.genres || []).join(', '),
+      podcastTitle: libraryItem.media.title,
+      podcastAuthor: libraryItem.media.author || '',
+      podcastDescription: libraryItem.media.description || '',
+      podcastGenres: (libraryItem.media.genres || []).join(', '),
       episodeId: episode.id,
       episodeTitle: episode.title,
       episodeSubtitle: episode.subtitle || '',
diff --git a/server/managers/PlaybackSessionManager.js b/server/managers/PlaybackSessionManager.js
index ce43fc8c..25992f0a 100644
--- a/server/managers/PlaybackSessionManager.js
+++ b/server/managers/PlaybackSessionManager.js
@@ -39,7 +39,7 @@ class PlaybackSessionManager {
 
   /**
    *
-   * @param {import('../controllers/SessionController').RequestWithUser} req
+   * @param {import('../controllers/LibraryItemController').LibraryItemControllerRequest} req
    * @param {Object} [clientDeviceInfo]
    * @returns {Promise<DeviceInfo>}
    */
@@ -67,7 +67,7 @@ class PlaybackSessionManager {
 
   /**
    *
-   * @param {import('../controllers/SessionController').RequestWithUser} req
+   * @param {import('../controllers/LibraryItemController').LibraryItemControllerRequest} req
    * @param {import('express').Response} res
    * @param {string} [episodeId]
    */
@@ -120,8 +120,8 @@ class PlaybackSessionManager {
    */
   async syncLocalSession(user, sessionJson, deviceInfo) {
     // TODO: Combine libraryItem query with library query
-    const libraryItem = await Database.libraryItemModel.getOldById(sessionJson.libraryItemId)
-    const episode = sessionJson.episodeId && libraryItem && libraryItem.isPodcast ? libraryItem.media.getEpisode(sessionJson.episodeId) : null
+    const libraryItem = await Database.libraryItemModel.getExpandedById(sessionJson.libraryItemId)
+    const episode = sessionJson.episodeId && libraryItem && libraryItem.isPodcast ? libraryItem.media.podcastEpisodes.find((pe) => pe.id === sessionJson.episodeId) : null
     if (!libraryItem || (libraryItem.isPodcast && !episode)) {
       Logger.error(`[PlaybackSessionManager] syncLocalSession: Media item not found for session "${sessionJson.displayTitle}" (${sessionJson.id})`)
       return {
@@ -175,7 +175,8 @@ class PlaybackSessionManager {
       // New session from local
       session = new PlaybackSession(sessionJson)
       session.deviceInfo = deviceInfo
-      session.setDuration(libraryItem, sessionJson.episodeId)
+      session.duration = libraryItem.media.getPlaybackDuration(sessionJson.episodeId)
+
       Logger.debug(`[PlaybackSessionManager] Inserting new session for "${session.displayTitle}" (${session.id})`)
       await Database.createPlaybackSession(session)
     } else {
@@ -279,7 +280,7 @@ class PlaybackSessionManager {
    *
    * @param {import('../models/User')} user
    * @param {DeviceInfo} deviceInfo
-   * @param {import('../objects/LibraryItem')} libraryItem
+   * @param {import('../models/LibraryItem')} libraryItem
    * @param {string|null} episodeId
    * @param {{forceDirectPlay?:boolean, forceTranscode?:boolean, mediaPlayer:string, supportedMimeTypes?:string[]}} options
    * @returns {Promise<PlaybackSession>}
@@ -292,7 +293,7 @@ class PlaybackSessionManager {
       await this.closeSession(user, session, null)
     }
 
-    const shouldDirectPlay = options.forceDirectPlay || (!options.forceTranscode && libraryItem.media.checkCanDirectPlay(options, episodeId))
+    const shouldDirectPlay = options.forceDirectPlay || (!options.forceTranscode && libraryItem.media.checkCanDirectPlay(options.supportedMimeTypes, episodeId))
     const mediaPlayer = options.mediaPlayer || 'unknown'
 
     const mediaItemId = episodeId || libraryItem.media.id
@@ -300,7 +301,7 @@ class PlaybackSessionManager {
     let userStartTime = 0
     if (userProgress) {
       if (userProgress.isFinished) {
-        Logger.info(`[PlaybackSessionManager] Starting session for user "${user.username}" and resetting progress for finished item "${libraryItem.media.metadata.title}"`)
+        Logger.info(`[PlaybackSessionManager] Starting session for user "${user.username}" and resetting progress for finished item "${libraryItem.media.title}"`)
         // Keep userStartTime as 0 so the client restarts the media
       } else {
         userStartTime = Number.parseFloat(userProgress.currentTime) || 0
@@ -312,7 +313,7 @@ class PlaybackSessionManager {
     let audioTracks = []
     if (shouldDirectPlay) {
       Logger.debug(`[PlaybackSessionManager] "${user.username}" starting direct play session for item "${libraryItem.id}" with id ${newPlaybackSession.id} (Device: ${newPlaybackSession.deviceDescription})`)
-      audioTracks = libraryItem.getDirectPlayTracklist(episodeId)
+      audioTracks = libraryItem.getTrackList(episodeId)
       newPlaybackSession.playMethod = PlayMethod.DIRECTPLAY
     } else {
       Logger.debug(`[PlaybackSessionManager] "${user.username}" starting stream session for item "${libraryItem.id}" (Device: ${newPlaybackSession.deviceDescription})`)
@@ -346,7 +347,7 @@ class PlaybackSessionManager {
    */
   async syncSession(user, session, syncData) {
     // TODO: Combine libraryItem query with library query
-    const libraryItem = await Database.libraryItemModel.getOldById(session.libraryItemId)
+    const libraryItem = await Database.libraryItemModel.getExpandedById(session.libraryItemId)
     if (!libraryItem) {
       Logger.error(`[PlaybackSessionManager] syncSession Library Item not found "${session.libraryItemId}"`)
       return null
@@ -381,9 +382,6 @@ class PlaybackSessionManager {
       })
     }
     this.saveSession(session)
-    return {
-      libraryItem
-    }
   }
 
   /**
diff --git a/server/managers/PodcastManager.js b/server/managers/PodcastManager.js
index 456927c8..0b45dfc4 100644
--- a/server/managers/PodcastManager.js
+++ b/server/managers/PodcastManager.js
@@ -1,3 +1,4 @@
+const Path = require('path')
 const Logger = require('../Logger')
 const SocketAuthority = require('../SocketAuthority')
 const Database = require('../Database')
@@ -19,9 +20,7 @@ const NotificationManager = require('../managers/NotificationManager')
 
 const LibraryFile = require('../objects/files/LibraryFile')
 const PodcastEpisodeDownload = require('../objects/PodcastEpisodeDownload')
-const PodcastEpisode = require('../objects/entities/PodcastEpisode')
 const AudioFile = require('../objects/files/AudioFile')
-const LibraryItem = require('../objects/LibraryItem')
 
 class PodcastManager {
   constructor() {
@@ -52,15 +51,16 @@ class PodcastManager {
     }
   }
 
+  /**
+   *
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @param {import('../utils/podcastUtils').RssPodcastEpisode[]} episodesToDownload
+   * @param {boolean} isAutoDownload - If this download was triggered by auto download
+   */
   async downloadPodcastEpisodes(libraryItem, episodesToDownload, isAutoDownload) {
-    let index = Math.max(...libraryItem.media.episodes.filter((ep) => ep.index == null || isNaN(ep.index)).map((ep) => Number(ep.index))) + 1
     for (const ep of episodesToDownload) {
-      const newPe = new PodcastEpisode()
-      newPe.setData(ep, index++)
-      newPe.libraryItemId = libraryItem.id
-      newPe.podcastId = libraryItem.media.id
       const newPeDl = new PodcastEpisodeDownload()
-      newPeDl.setData(newPe, libraryItem, isAutoDownload, libraryItem.libraryId)
+      newPeDl.setData(ep, libraryItem, isAutoDownload, libraryItem.libraryId)
       this.startPodcastEpisodeDownload(newPeDl)
     }
   }
@@ -86,20 +86,20 @@ class PodcastManager {
       key: 'MessageDownloadingEpisode'
     }
     const taskDescriptionString = {
-      text: `Downloading episode "${podcastEpisodeDownload.podcastEpisode.title}".`,
+      text: `Downloading episode "${podcastEpisodeDownload.episodeTitle}".`,
       key: 'MessageTaskDownloadingEpisodeDescription',
-      subs: [podcastEpisodeDownload.podcastEpisode.title]
+      subs: [podcastEpisodeDownload.episodeTitle]
     }
     const task = TaskManager.createAndAddTask('download-podcast-episode', taskTitleString, taskDescriptionString, false, taskData)
 
     SocketAuthority.emitter('episode_download_started', podcastEpisodeDownload.toJSONForClient())
     this.currentDownload = podcastEpisodeDownload
 
-    // If this file already exists then append the episode id to the filename
+    // If this file already exists then append a uuid to the filename
     //  e.g. "/tagesschau 20 Uhr.mp3" becomes "/tagesschau 20 Uhr (ep_asdfasdf).mp3"
     //  this handles podcasts where every title is the same (ref https://github.com/advplyr/audiobookshelf/issues/1802)
     if (await fs.pathExists(this.currentDownload.targetPath)) {
-      this.currentDownload.appendEpisodeId = true
+      this.currentDownload.appendRandomId = true
     }
 
     // Ignores all added files to this dir
@@ -140,7 +140,7 @@ class PodcastManager {
         }
         task.setFailed(taskFailedString)
       } else {
-        Logger.info(`[PodcastManager] Successfully downloaded podcast episode "${this.currentDownload.podcastEpisode.title}"`)
+        Logger.info(`[PodcastManager] Successfully downloaded podcast episode "${this.currentDownload.episodeTitle}"`)
         this.currentDownload.setFinished(true)
         task.setFinished()
       }
@@ -166,47 +166,61 @@ class PodcastManager {
     }
   }
 
+  /**
+   * Scans the downloaded audio file, create the podcast episode, remove oldest episode if necessary
+   * @returns {Promise<boolean>} - Returns true if added
+   */
   async scanAddPodcastEpisodeAudioFile() {
-    const libraryFile = await this.getLibraryFile(this.currentDownload.targetPath, this.currentDownload.targetRelPath)
+    const libraryFile = new LibraryFile()
+    await libraryFile.setDataFromPath(this.currentDownload.targetPath, this.currentDownload.targetRelPath)
 
     const audioFile = await this.probeAudioFile(libraryFile)
     if (!audioFile) {
       return false
     }
 
-    const libraryItem = await Database.libraryItemModel.getOldById(this.currentDownload.libraryItem.id)
+    const libraryItem = await Database.libraryItemModel.getExpandedById(this.currentDownload.libraryItem.id)
     if (!libraryItem) {
       Logger.error(`[PodcastManager] Podcast Episode finished but library item was not found ${this.currentDownload.libraryItem.id}`)
       return false
     }
 
-    const podcastEpisode = this.currentDownload.podcastEpisode
-    podcastEpisode.audioFile = audioFile
+    const podcastEpisode = await Database.podcastEpisodeModel.createFromRssPodcastEpisode(this.currentDownload.rssPodcastEpisode, libraryItem.media.id, audioFile)
 
-    if (audioFile.chapters?.length) {
-      podcastEpisode.chapters = audioFile.chapters.map((ch) => ({ ...ch }))
-    }
+    libraryItem.libraryFiles.push(libraryFile.toJSON())
+    libraryItem.changed('libraryFiles', true)
 
-    libraryItem.media.addPodcastEpisode(podcastEpisode)
-    if (libraryItem.isInvalid) {
-      // First episode added to an empty podcast
-      libraryItem.isInvalid = false
-    }
-    libraryItem.libraryFiles.push(libraryFile)
+    libraryItem.media.podcastEpisodes.push(podcastEpisode)
 
     if (this.currentDownload.isAutoDownload) {
       // Check setting maxEpisodesToKeep and remove episode if necessary
-      if (libraryItem.media.maxEpisodesToKeep && libraryItem.media.episodesWithPubDate.length > libraryItem.media.maxEpisodesToKeep) {
-        Logger.info(`[PodcastManager] # of episodes (${libraryItem.media.episodesWithPubDate.length}) exceeds max episodes to keep (${libraryItem.media.maxEpisodesToKeep})`)
-        await this.removeOldestEpisode(libraryItem, podcastEpisode.id)
+      const numEpisodesWithPubDate = libraryItem.media.podcastEpisodes.filter((ep) => !!ep.publishedAt).length
+      if (libraryItem.media.maxEpisodesToKeep && numEpisodesWithPubDate > libraryItem.media.maxEpisodesToKeep) {
+        Logger.info(`[PodcastManager] # of episodes (${numEpisodesWithPubDate}) exceeds max episodes to keep (${libraryItem.media.maxEpisodesToKeep})`)
+        const episodeToRemove = await this.getRemoveOldestEpisode(libraryItem, podcastEpisode.id)
+        if (episodeToRemove) {
+          // Remove episode from playlists
+          await Database.playlistModel.removeMediaItemsFromPlaylists([episodeToRemove.id])
+          // Remove media progress for this episode
+          await Database.mediaProgressModel.destroy({
+            where: {
+              mediaItemId: episodeToRemove.id
+            }
+          })
+          await episodeToRemove.destroy()
+          libraryItem.media.podcastEpisodes = libraryItem.media.podcastEpisodes.filter((ep) => ep.id !== episodeToRemove.id)
+
+          // Remove library file
+          libraryItem.libraryFiles = libraryItem.libraryFiles.filter((lf) => lf.ino !== episodeToRemove.audioFile.ino)
+        }
       }
     }
 
-    libraryItem.updatedAt = Date.now()
-    await Database.updateLibraryItem(libraryItem)
-    SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
-    const podcastEpisodeExpanded = podcastEpisode.toJSONExpanded()
-    podcastEpisodeExpanded.libraryItem = libraryItem.toJSONExpanded()
+    await libraryItem.save()
+
+    SocketAuthority.emitter('item_updated', libraryItem.toOldJSONExpanded())
+    const podcastEpisodeExpanded = podcastEpisode.toOldJSONExpanded(libraryItem.id)
+    podcastEpisodeExpanded.libraryItem = libraryItem.toOldJSONExpanded()
     SocketAuthority.emitter('episode_added', podcastEpisodeExpanded)
 
     if (this.currentDownload.isAutoDownload) {
@@ -217,45 +231,53 @@ class PodcastManager {
     return true
   }
 
-  async removeOldestEpisode(libraryItem, episodeIdJustDownloaded) {
-    var smallestPublishedAt = 0
-    var oldestEpisode = null
-    libraryItem.media.episodesWithPubDate
-      .filter((ep) => ep.id !== episodeIdJustDownloaded)
-      .forEach((ep) => {
-        if (!smallestPublishedAt || ep.publishedAt < smallestPublishedAt) {
-          smallestPublishedAt = ep.publishedAt
-          oldestEpisode = ep
-        }
-      })
-    // TODO: Should we check for open playback sessions for this episode?
-    // TODO: remove all user progress for this episode
+  /**
+   * Find oldest episode publishedAt and delete the audio file
+   *
+   * @param {import('../models/LibraryItem').LibraryItemExpanded} libraryItem
+   * @param {string} episodeIdJustDownloaded
+   * @returns {Promise<import('../models/PodcastEpisode')|null>} - Returns the episode to remove
+   */
+  async getRemoveOldestEpisode(libraryItem, episodeIdJustDownloaded) {
+    let smallestPublishedAt = 0
+    /** @type {import('../models/PodcastEpisode')} */
+    let oldestEpisode = null
+
+    /** @type {import('../models/PodcastEpisode')[]} */
+    const podcastEpisodes = libraryItem.media.podcastEpisodes
+
+    for (const ep of podcastEpisodes) {
+      if (ep.id === episodeIdJustDownloaded || !ep.publishedAt) continue
+
+      if (!smallestPublishedAt || ep.publishedAt < smallestPublishedAt) {
+        smallestPublishedAt = ep.publishedAt
+        oldestEpisode = ep
+      }
+    }
+
     if (oldestEpisode?.audioFile) {
       Logger.info(`[PodcastManager] Deleting oldest episode "${oldestEpisode.title}"`)
       const successfullyDeleted = await removeFile(oldestEpisode.audioFile.metadata.path)
       if (successfullyDeleted) {
-        libraryItem.media.removeEpisode(oldestEpisode.id)
-        libraryItem.removeLibraryFile(oldestEpisode.audioFile.ino)
-        return true
+        return oldestEpisode
       } else {
         Logger.warn(`[PodcastManager] Failed to remove oldest episode "${oldestEpisode.title}"`)
       }
     }
-    return false
-  }
-
-  async getLibraryFile(path, relPath) {
-    var newLibFile = new LibraryFile()
-    await newLibFile.setDataFromPath(path, relPath)
-    return newLibFile
+    return null
   }
 
+  /**
+   *
+   * @param {LibraryFile} libraryFile
+   * @returns {Promise<AudioFile|null>}
+   */
   async probeAudioFile(libraryFile) {
     const path = libraryFile.metadata.path
     const mediaProbeData = await prober.probe(path)
     if (mediaProbeData.error) {
       Logger.error(`[PodcastManager] Podcast Episode downloaded but failed to probe "${path}"`, mediaProbeData.error)
-      return false
+      return null
     }
     const newAudioFile = new AudioFile()
     newAudioFile.setDataFromProbe(libraryFile, mediaProbeData)
@@ -263,18 +285,23 @@ class PodcastManager {
     return newAudioFile
   }
 
-  // Returns false if auto download episodes was disabled (disabled if reaches max failed checks)
+  /**
+   *
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @returns {Promise<boolean>} - Returns false if auto download episodes was disabled (disabled if reaches max failed checks)
+   */
   async runEpisodeCheck(libraryItem) {
-    const lastEpisodeCheckDate = new Date(libraryItem.media.lastEpisodeCheck || 0)
-    const latestEpisodePublishedAt = libraryItem.media.latestEpisodePublished
-    Logger.info(`[PodcastManager] runEpisodeCheck: "${libraryItem.media.metadata.title}" | Last check: ${lastEpisodeCheckDate} | ${latestEpisodePublishedAt ? `Latest episode pubDate: ${new Date(latestEpisodePublishedAt)}` : 'No latest episode'}`)
+    const lastEpisodeCheck = libraryItem.media.lastEpisodeCheck?.valueOf() || 0
+    const latestEpisodePublishedAt = libraryItem.media.getLatestEpisodePublishedAt()
 
-    // Use latest episode pubDate if exists OR fallback to using lastEpisodeCheckDate
-    //    lastEpisodeCheckDate will be the current time when adding a new podcast
-    const dateToCheckForEpisodesAfter = latestEpisodePublishedAt || lastEpisodeCheckDate
-    Logger.debug(`[PodcastManager] runEpisodeCheck: "${libraryItem.media.metadata.title}" checking for episodes after ${new Date(dateToCheckForEpisodesAfter)}`)
+    Logger.info(`[PodcastManager] runEpisodeCheck: "${libraryItem.media.title}" | Last check: ${new Date(lastEpisodeCheck)} | ${latestEpisodePublishedAt ? `Latest episode pubDate: ${new Date(latestEpisodePublishedAt)}` : 'No latest episode'}`)
 
-    var newEpisodes = await this.checkPodcastForNewEpisodes(libraryItem, dateToCheckForEpisodesAfter, libraryItem.media.maxNewEpisodesToDownload)
+    // Use latest episode pubDate if exists OR fallback to using lastEpisodeCheck
+    //    lastEpisodeCheck will be the current time when adding a new podcast
+    const dateToCheckForEpisodesAfter = latestEpisodePublishedAt || lastEpisodeCheck
+    Logger.debug(`[PodcastManager] runEpisodeCheck: "${libraryItem.media.title}" checking for episodes after ${new Date(dateToCheckForEpisodesAfter)}`)
+
+    const newEpisodes = await this.checkPodcastForNewEpisodes(libraryItem, dateToCheckForEpisodesAfter, libraryItem.media.maxNewEpisodesToDownload)
     Logger.debug(`[PodcastManager] runEpisodeCheck: ${newEpisodes?.length || 'N/A'} episodes found`)
 
     if (!newEpisodes) {
@@ -283,37 +310,48 @@ class PodcastManager {
       if (!this.failedCheckMap[libraryItem.id]) this.failedCheckMap[libraryItem.id] = 0
       this.failedCheckMap[libraryItem.id]++
       if (this.failedCheckMap[libraryItem.id] >= this.MaxFailedEpisodeChecks) {
-        Logger.error(`[PodcastManager] runEpisodeCheck ${this.failedCheckMap[libraryItem.id]} failed attempts at checking episodes for "${libraryItem.media.metadata.title}" - disabling auto download`)
+        Logger.error(`[PodcastManager] runEpisodeCheck ${this.failedCheckMap[libraryItem.id]} failed attempts at checking episodes for "${libraryItem.media.title}" - disabling auto download`)
         libraryItem.media.autoDownloadEpisodes = false
         delete this.failedCheckMap[libraryItem.id]
       } else {
-        Logger.warn(`[PodcastManager] runEpisodeCheck ${this.failedCheckMap[libraryItem.id]} failed attempts at checking episodes for "${libraryItem.media.metadata.title}"`)
+        Logger.warn(`[PodcastManager] runEpisodeCheck ${this.failedCheckMap[libraryItem.id]} failed attempts at checking episodes for "${libraryItem.media.title}"`)
       }
     } else if (newEpisodes.length) {
       delete this.failedCheckMap[libraryItem.id]
-      Logger.info(`[PodcastManager] Found ${newEpisodes.length} new episodes for podcast "${libraryItem.media.metadata.title}" - starting download`)
+      Logger.info(`[PodcastManager] Found ${newEpisodes.length} new episodes for podcast "${libraryItem.media.title}" - starting download`)
       this.downloadPodcastEpisodes(libraryItem, newEpisodes, true)
     } else {
       delete this.failedCheckMap[libraryItem.id]
-      Logger.debug(`[PodcastManager] No new episodes for "${libraryItem.media.metadata.title}"`)
+      Logger.debug(`[PodcastManager] No new episodes for "${libraryItem.media.title}"`)
     }
 
-    libraryItem.media.lastEpisodeCheck = Date.now()
-    libraryItem.updatedAt = Date.now()
-    await Database.updateLibraryItem(libraryItem)
-    SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+    libraryItem.media.lastEpisodeCheck = new Date()
+    await libraryItem.media.save()
+
+    libraryItem.changed('updatedAt', true)
+    await libraryItem.save()
+
+    SocketAuthority.emitter('item_updated', libraryItem.toOldJSONExpanded())
+
     return libraryItem.media.autoDownloadEpisodes
   }
 
+  /**
+   *
+   * @param {import('../models/LibraryItem')} podcastLibraryItem
+   * @param {number} dateToCheckForEpisodesAfter - Unix timestamp
+   * @param {number} maxNewEpisodes
+   * @returns {Promise<import('../utils/podcastUtils').RssPodcastEpisode[]|null>}
+   */
   async checkPodcastForNewEpisodes(podcastLibraryItem, dateToCheckForEpisodesAfter, maxNewEpisodes = 3) {
-    if (!podcastLibraryItem.media.metadata.feedUrl) {
-      Logger.error(`[PodcastManager] checkPodcastForNewEpisodes no feed url for ${podcastLibraryItem.media.metadata.title} (ID: ${podcastLibraryItem.id})`)
-      return false
+    if (!podcastLibraryItem.media.feedURL) {
+      Logger.error(`[PodcastManager] checkPodcastForNewEpisodes no feed url for ${podcastLibraryItem.media.title} (ID: ${podcastLibraryItem.id})`)
+      return null
     }
-    const feed = await getPodcastFeed(podcastLibraryItem.media.metadata.feedUrl)
+    const feed = await getPodcastFeed(podcastLibraryItem.media.feedURL)
     if (!feed?.episodes) {
-      Logger.error(`[PodcastManager] checkPodcastForNewEpisodes invalid feed payload for ${podcastLibraryItem.media.metadata.title} (ID: ${podcastLibraryItem.id})`, feed)
-      return false
+      Logger.error(`[PodcastManager] checkPodcastForNewEpisodes invalid feed payload for ${podcastLibraryItem.media.title} (ID: ${podcastLibraryItem.id})`, feed)
+      return null
     }
 
     // Filter new and not already has
@@ -326,23 +364,34 @@ class PodcastManager {
     return newEpisodes
   }
 
+  /**
+   *
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @param {*} maxEpisodesToDownload
+   * @returns {Promise<import('../utils/podcastUtils').RssPodcastEpisode[]>}
+   */
   async checkAndDownloadNewEpisodes(libraryItem, maxEpisodesToDownload) {
-    const lastEpisodeCheckDate = new Date(libraryItem.media.lastEpisodeCheck || 0)
-    Logger.info(`[PodcastManager] checkAndDownloadNewEpisodes for "${libraryItem.media.metadata.title}" - Last episode check: ${lastEpisodeCheckDate}`)
-    var newEpisodes = await this.checkPodcastForNewEpisodes(libraryItem, libraryItem.media.lastEpisodeCheck, maxEpisodesToDownload)
-    if (newEpisodes.length) {
-      Logger.info(`[PodcastManager] Found ${newEpisodes.length} new episodes for podcast "${libraryItem.media.metadata.title}" - starting download`)
+    const lastEpisodeCheck = libraryItem.media.lastEpisodeCheck?.valueOf() || 0
+    const lastEpisodeCheckDate = lastEpisodeCheck > 0 ? libraryItem.media.lastEpisodeCheck : 'Never'
+    Logger.info(`[PodcastManager] checkAndDownloadNewEpisodes for "${libraryItem.media.title}" - Last episode check: ${lastEpisodeCheckDate}`)
+
+    const newEpisodes = await this.checkPodcastForNewEpisodes(libraryItem, lastEpisodeCheck, maxEpisodesToDownload)
+    if (newEpisodes?.length) {
+      Logger.info(`[PodcastManager] Found ${newEpisodes.length} new episodes for podcast "${libraryItem.media.title}" - starting download`)
       this.downloadPodcastEpisodes(libraryItem, newEpisodes, false)
     } else {
-      Logger.info(`[PodcastManager] No new episodes found for podcast "${libraryItem.media.metadata.title}"`)
+      Logger.info(`[PodcastManager] No new episodes found for podcast "${libraryItem.media.title}"`)
     }
 
-    libraryItem.media.lastEpisodeCheck = Date.now()
-    libraryItem.updatedAt = Date.now()
-    await Database.updateLibraryItem(libraryItem)
-    SocketAuthority.emitter('item_updated', libraryItem.toJSONExpanded())
+    libraryItem.media.lastEpisodeCheck = new Date()
+    await libraryItem.media.save()
 
-    return newEpisodes
+    libraryItem.changed('updatedAt', true)
+    await libraryItem.save()
+
+    SocketAuthority.emitter('item_updated', libraryItem.toOldJSONExpanded())
+
+    return newEpisodes || []
   }
 
   async findEpisode(rssFeedUrl, searchTitle) {
@@ -518,64 +567,123 @@ class PodcastManager {
         continue
       }
 
-      const newPodcastMetadata = {
-        title: feed.metadata.title,
-        author: feed.metadata.author,
-        description: feed.metadata.description,
-        releaseDate: '',
-        genres: [...feed.metadata.categories],
-        feedUrl: feed.metadata.feedUrl,
-        imageUrl: feed.metadata.image,
-        itunesPageUrl: '',
-        itunesId: '',
-        itunesArtistId: '',
-        language: '',
-        numEpisodes: feed.numEpisodes
-      }
+      let newLibraryItem = null
+      const transaction = await Database.sequelize.transaction()
+      try {
+        const libraryItemFolderStats = await getFileTimestampsWithIno(podcastPath)
 
-      const libraryItemFolderStats = await getFileTimestampsWithIno(podcastPath)
-      const libraryItemPayload = {
-        path: podcastPath,
-        relPath: podcastFilename,
-        folderId: folder.id,
-        libraryId: folder.libraryId,
-        ino: libraryItemFolderStats.ino,
-        mtimeMs: libraryItemFolderStats.mtimeMs || 0,
-        ctimeMs: libraryItemFolderStats.ctimeMs || 0,
-        birthtimeMs: libraryItemFolderStats.birthtimeMs || 0,
-        media: {
-          metadata: newPodcastMetadata,
-          autoDownloadEpisodes
+        const podcastPayload = {
+          autoDownloadEpisodes,
+          metadata: {
+            title: feed.metadata.title,
+            author: feed.metadata.author,
+            description: feed.metadata.description,
+            releaseDate: '',
+            genres: [...feed.metadata.categories],
+            feedUrl: feed.metadata.feedUrl,
+            imageUrl: feed.metadata.image,
+            itunesPageUrl: '',
+            itunesId: '',
+            itunesArtistId: '',
+            language: '',
+            numEpisodes: feed.numEpisodes
+          }
         }
+        const podcast = await Database.podcastModel.createFromRequest(podcastPayload, transaction)
+
+        newLibraryItem = await Database.libraryItemModel.create(
+          {
+            ino: libraryItemFolderStats.ino,
+            path: podcastPath,
+            relPath: podcastFilename,
+            mediaId: podcast.id,
+            mediaType: 'podcast',
+            isFile: false,
+            isMissing: false,
+            isInvalid: false,
+            mtime: libraryItemFolderStats.mtimeMs || 0,
+            ctime: libraryItemFolderStats.ctimeMs || 0,
+            birthtime: libraryItemFolderStats.birthtimeMs || 0,
+            size: 0,
+            libraryFiles: [],
+            extraData: {},
+            libraryId: folder.libraryId,
+            libraryFolderId: folder.id
+          },
+          { transaction }
+        )
+
+        await transaction.commit()
+      } catch (error) {
+        await transaction.rollback()
+        Logger.error(`[PodcastManager] createPodcastsFromFeedUrls: Failed to create podcast library item for "${feed.metadata.title}"`, error)
+        const taskTitleStringFeed = {
+          text: 'OPML import feed',
+          key: 'MessageTaskOpmlImportFeed'
+        }
+        const taskDescriptionStringPodcast = {
+          text: `Creating podcast "${feed.metadata.title}"`,
+          key: 'MessageTaskOpmlImportFeedPodcastDescription',
+          subs: [feed.metadata.title]
+        }
+        const taskErrorString = {
+          text: 'Failed to create podcast library item',
+          key: 'MessageTaskOpmlImportFeedPodcastFailed'
+        }
+        TaskManager.createAndEmitFailedTask('opml-import-feed', taskTitleStringFeed, taskDescriptionStringPodcast, taskErrorString)
+        continue
       }
 
-      const libraryItem = new LibraryItem()
-      libraryItem.setData('podcast', libraryItemPayload)
+      newLibraryItem.media = await newLibraryItem.getMediaExpanded()
 
       // Download and save cover image
-      if (newPodcastMetadata.imageUrl) {
-        // TODO: Scan cover image to library files
+      if (typeof feed.metadata.image === 'string' && feed.metadata.image.startsWith('http')) {
         // Podcast cover will always go into library item folder
-        const coverResponse = await CoverManager.downloadCoverFromUrl(libraryItem, newPodcastMetadata.imageUrl, true)
-        if (coverResponse) {
-          if (coverResponse.error) {
-            Logger.error(`[PodcastManager] createPodcastsFromFeedUrls: Download cover error from "${newPodcastMetadata.imageUrl}": ${coverResponse.error}`)
-          } else if (coverResponse.cover) {
-            libraryItem.media.coverPath = coverResponse.cover
+        const coverResponse = await CoverManager.downloadCoverFromUrlNew(feed.metadata.image, newLibraryItem.id, newLibraryItem.path, true)
+        if (coverResponse.error) {
+          Logger.error(`[PodcastManager] Download cover error from "${feed.metadata.image}": ${coverResponse.error}`)
+        } else if (coverResponse.cover) {
+          const coverImageFileStats = await getFileTimestampsWithIno(coverResponse.cover)
+          if (!coverImageFileStats) {
+            Logger.error(`[PodcastManager] Failed to get cover image stats for "${coverResponse.cover}"`)
+          } else {
+            // Add libraryFile to libraryItem and coverPath to podcast
+            const newLibraryFile = {
+              ino: coverImageFileStats.ino,
+              fileType: 'image',
+              addedAt: Date.now(),
+              updatedAt: Date.now(),
+              metadata: {
+                filename: Path.basename(coverResponse.cover),
+                ext: Path.extname(coverResponse.cover).slice(1),
+                path: coverResponse.cover,
+                relPath: Path.basename(coverResponse.cover),
+                size: coverImageFileStats.size,
+                mtimeMs: coverImageFileStats.mtimeMs || 0,
+                ctimeMs: coverImageFileStats.ctimeMs || 0,
+                birthtimeMs: coverImageFileStats.birthtimeMs || 0
+              }
+            }
+            newLibraryItem.libraryFiles.push(newLibraryFile)
+            newLibraryItem.changed('libraryFiles', true)
+            await newLibraryItem.save()
+
+            newLibraryItem.media.coverPath = coverResponse.cover
+            await newLibraryItem.media.save()
           }
         }
       }
 
-      await Database.createLibraryItem(libraryItem)
-      SocketAuthority.emitter('item_added', libraryItem.toJSONExpanded())
+      SocketAuthority.emitter('item_added', newLibraryItem.toOldJSONExpanded())
 
       // Turn on podcast auto download cron if not already on
-      if (libraryItem.media.autoDownloadEpisodes) {
-        cronManager.checkUpdatePodcastCron(libraryItem)
+      if (newLibraryItem.media.autoDownloadEpisodes) {
+        cronManager.checkUpdatePodcastCron(newLibraryItem)
       }
 
       numPodcastsAdded++
     }
+
     const taskFinishedString = {
       text: `Added ${numPodcastsAdded} podcasts`,
       key: 'MessageTaskOpmlImportFinished',
diff --git a/server/managers/RssFeedManager.js b/server/managers/RssFeedManager.js
index cedf0dfb..de009c3d 100644
--- a/server/managers/RssFeedManager.js
+++ b/server/managers/RssFeedManager.js
@@ -98,11 +98,22 @@ class RssFeedManager {
             podcastId: feed.entity.mediaId
           },
           attributes: ['id', 'updatedAt'],
-          order: [['createdAt', 'DESC']]
+          order: [['updatedAt', 'DESC']]
         })
+
         if (mostRecentPodcastEpisode && mostRecentPodcastEpisode.updatedAt > newEntityUpdatedAt) {
           newEntityUpdatedAt = mostRecentPodcastEpisode.updatedAt
         }
+      } else {
+        const book = await Database.bookModel.findOne({
+          where: {
+            id: feed.entity.mediaId
+          },
+          attributes: ['id', 'updatedAt']
+        })
+        if (book && book.updatedAt > newEntityUpdatedAt) {
+          newEntityUpdatedAt = book.updatedAt
+        }
       }
 
       return newEntityUpdatedAt > feed.entityUpdatedAt
@@ -111,7 +122,7 @@ class RssFeedManager {
         attributes: ['id', 'updatedAt'],
         include: {
           model: Database.bookModel,
-          attributes: ['id'],
+          attributes: ['id', 'audioFiles', 'updatedAt'],
           through: {
             attributes: []
           },
@@ -122,13 +133,16 @@ class RssFeedManager {
         }
       })
 
+      const totalBookTracks = feed.entity.books.reduce((total, book) => total + book.includedAudioFiles.length, 0)
+      if (feed.feedEpisodes.length !== totalBookTracks) {
+        return true
+      }
+
       let newEntityUpdatedAt = feed.entity.updatedAt
 
       const mostRecentItemUpdatedAt = feed.entity.books.reduce((mostRecent, book) => {
-        if (book.libraryItem.updatedAt > mostRecent) {
-          return book.libraryItem.updatedAt
-        }
-        return mostRecent
+        let updatedAt = book.libraryItem.updatedAt > book.updatedAt ? book.libraryItem.updatedAt : book.updatedAt
+        return updatedAt > mostRecent ? updatedAt : mostRecent
       }, 0)
 
       if (mostRecentItemUpdatedAt > newEntityUpdatedAt) {
@@ -151,6 +165,9 @@ class RssFeedManager {
     let feed = await Database.feedModel.findOne({
       where: {
         slug: req.params.slug
+      },
+      include: {
+        model: Database.feedEpisodeModel
       }
     })
     if (!feed) {
@@ -163,8 +180,6 @@ class RssFeedManager {
     if (feedRequiresUpdate) {
       Logger.info(`[RssFeedManager] Feed "${feed.title}" requires update - updating feed`)
       feed = await feed.updateFeedForEntity()
-    } else {
-      feed.feedEpisodes = await feed.getFeedEpisodes()
     }
 
     const xml = feed.buildXml(req.originalHostPrefix)
diff --git a/server/migrations/changelog.md b/server/migrations/changelog.md
index f4992432..3b5a5626 100644
--- a/server/migrations/changelog.md
+++ b/server/migrations/changelog.md
@@ -11,3 +11,5 @@ Please add a record of every database migration that you create to this file. Th
 | v2.17.3        | v2.17.3-fk-constraints                       | Changes the foreign key constraints for tables due to sequelize bug dropping constraints in v2.17.0 migration |
 | v2.17.4        | v2.17.4-use-subfolder-for-oidc-redirect-uris | Save subfolder to OIDC redirect URIs to support existing installations                                        |
 | v2.17.5        | v2.17.5-remove-host-from-feed-urls           | removes the host (serverAddress) from URL columns in the feeds and feedEpisodes tables                        |
+| v2.17.6        | v2.17.6-share-add-isdownloadable             | Adds the isDownloadable column to the mediaItemShares table                                                   |
+| v2.17.7        | v2.17.7-add-indices                          | Adds indices to the libraryItems and books tables to reduce query times                                       |
diff --git a/server/migrations/v2.17.6-share-add-isdownloadable.js b/server/migrations/v2.17.6-share-add-isdownloadable.js
new file mode 100644
index 00000000..9434d284
--- /dev/null
+++ b/server/migrations/v2.17.6-share-add-isdownloadable.js
@@ -0,0 +1,68 @@
+/**
+ * @typedef MigrationContext
+ * @property {import('sequelize').QueryInterface} queryInterface - a Sequelize QueryInterface object.
+ * @property {import('../Logger')} logger - a Logger object.
+ *
+ * @typedef MigrationOptions
+ * @property {MigrationContext} context - an object containing the migration context.
+ */
+
+const migrationVersion = '2.17.6'
+const migrationName = `${migrationVersion}-share-add-isdownloadable`
+const loggerPrefix = `[${migrationVersion} migration]`
+
+/**
+ * This migration script adds the isDownloadable column to the mediaItemShares table.
+ *
+ * @param {MigrationOptions} options - an object containing the migration context.
+ * @returns {Promise<void>} - A promise that resolves when the migration is complete.
+ */
+async function up({ context: { queryInterface, logger } }) {
+  logger.info(`${loggerPrefix} UPGRADE BEGIN: ${migrationName}`)
+
+  if (await queryInterface.tableExists('mediaItemShares')) {
+    const tableDescription = await queryInterface.describeTable('mediaItemShares')
+    if (!tableDescription.isDownloadable) {
+      logger.info(`${loggerPrefix} Adding isDownloadable column to mediaItemShares table`)
+      await queryInterface.addColumn('mediaItemShares', 'isDownloadable', {
+        type: queryInterface.sequelize.Sequelize.DataTypes.BOOLEAN,
+        defaultValue: false,
+        allowNull: false
+      })
+      logger.info(`${loggerPrefix} Added isDownloadable column to mediaItemShares table`)
+    } else {
+      logger.info(`${loggerPrefix} isDownloadable column already exists in mediaItemShares table`)
+    }
+  } else {
+    logger.info(`${loggerPrefix} mediaItemShares table does not exist`)
+  }
+
+  logger.info(`${loggerPrefix} UPGRADE END: ${migrationName}`)
+}
+
+/**
+ * This migration script removes the isDownloadable column from the mediaItemShares table.
+ *
+ * @param {MigrationOptions} options - an object containing the migration context.
+ * @returns {Promise<void>} - A promise that resolves when the migration is complete.
+ */
+async function down({ context: { queryInterface, logger } }) {
+  logger.info(`${loggerPrefix} DOWNGRADE BEGIN: ${migrationName}`)
+
+  if (await queryInterface.tableExists('mediaItemShares')) {
+    const tableDescription = await queryInterface.describeTable('mediaItemShares')
+    if (tableDescription.isDownloadable) {
+      logger.info(`${loggerPrefix} Removing isDownloadable column from mediaItemShares table`)
+      await queryInterface.removeColumn('mediaItemShares', 'isDownloadable')
+      logger.info(`${loggerPrefix} Removed isDownloadable column from mediaItemShares table`)
+    } else {
+      logger.info(`${loggerPrefix} isDownloadable column does not exist in mediaItemShares table`)
+    }
+  } else {
+    logger.info(`${loggerPrefix} mediaItemShares table does not exist`)
+  }
+
+  logger.info(`${loggerPrefix} DOWNGRADE END: ${migrationName}`)
+}
+
+module.exports = { up, down }
diff --git a/server/migrations/v2.17.7-add-indices.js b/server/migrations/v2.17.7-add-indices.js
new file mode 100644
index 00000000..b3821de8
--- /dev/null
+++ b/server/migrations/v2.17.7-add-indices.js
@@ -0,0 +1,83 @@
+/**
+ * @typedef MigrationContext
+ * @property {import('sequelize').QueryInterface} queryInterface - a suquelize QueryInterface object.
+ * @property {import('../Logger')} logger - a Logger object.
+ *
+ * @typedef MigrationOptions
+ * @property {MigrationContext} context - an object containing the migration context.
+ */
+
+const migrationVersion = '2.17.7'
+const migrationName = `${migrationVersion}-add-indices`
+const loggerPrefix = `[${migrationVersion} migration]`
+
+/**
+ * This upward migration adds some indices to the libraryItems and books tables to improve query performance
+ *
+ * @param {MigrationOptions} options - an object containing the migration context.
+ * @returns {Promise<void>} - A promise that resolves when the migration is complete.
+ */
+async function up({ context: { queryInterface, logger } }) {
+  // Upwards migration script
+  logger.info(`${loggerPrefix} UPGRADE BEGIN: ${migrationName}`)
+
+  await addIndex(queryInterface, logger, 'libraryItems', ['libraryId', 'mediaType', 'size'])
+  await addIndex(queryInterface, logger, 'books', ['duration'])
+
+  logger.info(`${loggerPrefix} UPGRADE END: ${migrationName}`)
+}
+
+/**
+ * This downward migration script removes the indices added in the upward migration script
+ *
+ * @param {MigrationOptions} options - an object containing the migration context.
+ * @returns {Promise<void>} - A promise that resolves when the migration is complete.
+ */
+async function down({ context: { queryInterface, logger } }) {
+  // Downward migration script
+  logger.info(`${loggerPrefix} DOWNGRADE BEGIN: ${migrationName}`)
+
+  await removeIndex(queryInterface, logger, 'libraryItems', ['libraryId', 'mediaType', 'size'])
+  await removeIndex(queryInterface, logger, 'books', ['duration'])
+
+  logger.info(`${loggerPrefix} DOWNGRADE END: ${migrationName}`)
+}
+
+/**
+ * Utility function to add an index to a table. If the index already exists, it logs a message and continues.
+ *
+ * @param {import('sequelize').QueryInterface} queryInterface
+ * @param {import ('../Logger')} logger
+ * @param {string} tableName
+ * @param {string[]} columns
+ */
+async function addIndex(queryInterface, logger, tableName, columns) {
+  try {
+    logger.info(`${loggerPrefix} adding index [${columns.join(', ')}] to table "${tableName}"`)
+    await queryInterface.addIndex(tableName, columns)
+    logger.info(`${loggerPrefix} added index [${columns.join(', ')}] to table "${tableName}"`)
+  } catch (error) {
+    if (error.name === 'SequelizeDatabaseError' && error.message.includes('already exists')) {
+      logger.info(`${loggerPrefix} index [${columns.join(', ')}] for table "${tableName}" already exists`)
+    } else {
+      throw error
+    }
+  }
+}
+
+/**
+ * Utility function to remove an index from a table.
+ * Sequelize implemets it using DROP INDEX IF EXISTS, so it won't throw an error if the index doesn't exist.
+ *
+ * @param {import('sequelize').QueryInterface} queryInterface
+ * @param {import ('../Logger')} logger
+ * @param {string} tableName
+ * @param {string[]} columns
+ */
+async function removeIndex(queryInterface, logger, tableName, columns) {
+  logger.info(`${loggerPrefix} removing index [${columns.join(', ')}] from table "${tableName}"`)
+  await queryInterface.removeIndex(tableName, columns)
+  logger.info(`${loggerPrefix} removed index [${columns.join(', ')}] from table "${tableName}"`)
+}
+
+module.exports = { up, down }
diff --git a/server/models/Book.js b/server/models/Book.js
index f7341db9..4c2006a1 100644
--- a/server/models/Book.js
+++ b/server/models/Book.js
@@ -1,5 +1,7 @@
 const { DataTypes, Model } = require('sequelize')
 const Logger = require('../Logger')
+const { getTitlePrefixAtEnd, getTitleIgnorePrefix } = require('../utils')
+const parseNameString = require('../utils/parsers/parseNameString')
 
 /**
  * @typedef EBookFileObject
@@ -60,6 +62,13 @@ const Logger = require('../Logger')
  * @property {ChapterObject[]} chapters
  * @property {Object} metaTags
  * @property {string} mimeType
+ *
+ * @typedef AudioTrackProperties
+ * @property {string} title
+ * @property {string} contentUrl
+ * @property {number} startOffset
+ *
+ * @typedef {AudioFileObject & AudioTrackProperties} AudioTrack
  */
 
 class Book extends Model {
@@ -113,8 +122,12 @@ class Book extends Model {
     /** @type {Date} */
     this.createdAt
 
+    // Expanded properties
+
     /** @type {import('./Author')[]} - optional if expanded */
     this.authors
+    /** @type {import('./Series')[]} - optional if expanded */
+    this.series
   }
 
   static getOldBook(libraryItemExpanded) {
@@ -241,32 +254,6 @@ class Book extends Model {
     }
   }
 
-  getAbsMetadataJson() {
-    return {
-      tags: this.tags || [],
-      chapters: this.chapters?.map((c) => ({ ...c })) || [],
-      title: this.title,
-      subtitle: this.subtitle,
-      authors: this.authors.map((a) => a.name),
-      narrators: this.narrators,
-      series: this.series.map((se) => {
-        const sequence = se.bookSeries?.sequence || ''
-        if (!sequence) return se.name
-        return `${se.name} #${sequence}`
-      }),
-      genres: this.genres || [],
-      publishedYear: this.publishedYear,
-      publishedDate: this.publishedDate,
-      publisher: this.publisher,
-      description: this.description,
-      isbn: this.isbn,
-      asin: this.asin,
-      language: this.language,
-      explicit: !!this.explicit,
-      abridged: !!this.abridged
-    }
-  }
-
   /**
    * Initialize model
    * @param {import('../Database').sequelize} sequelize
@@ -321,10 +308,10 @@ class Book extends Model {
           // },
           {
             fields: ['publishedYear']
+          },
+          {
+            fields: ['duration']
           }
-          // {
-          //   fields: ['duration']
-          // }
         ]
       }
     )
@@ -343,18 +330,395 @@ class Book extends Model {
     }
     return this.authors.map((au) => au.name).join(', ')
   }
+
+  /**
+   * Comma separated array of author names in Last, First format
+   * Requires authors to be loaded
+   *
+   * @returns {string}
+   */
+  get authorNameLF() {
+    if (this.authors === undefined) {
+      Logger.error(`[Book] authorNameLF: Cannot get authorNameLF because authors are not loaded`)
+      return ''
+    }
+
+    // Last, First
+    if (!this.authors.length) return ''
+    return this.authors.map((au) => parseNameString.nameToLastFirst(au.name)).join(', ')
+  }
+
+  /**
+   * Comma separated array of series with sequence
+   * Requires series to be loaded
+   *
+   * @returns {string}
+   */
+  get seriesName() {
+    if (this.series === undefined) {
+      Logger.error(`[Book] seriesName: Cannot get seriesName because series are not loaded`)
+      return ''
+    }
+
+    if (!this.series.length) return ''
+    return this.series
+      .map((se) => {
+        const sequence = se.bookSeries?.sequence || ''
+        if (!sequence) return se.name
+        return `${se.name} #${sequence}`
+      })
+      .join(', ')
+  }
+
   get includedAudioFiles() {
     return this.audioFiles.filter((af) => !af.exclude)
   }
-  get trackList() {
+
+  get hasMediaFiles() {
+    return !!this.hasAudioTracks || !!this.ebookFile
+  }
+
+  get hasAudioTracks() {
+    return !!this.includedAudioFiles.length
+  }
+
+  /**
+   * Supported mime types are sent from the web client and are retrieved using the browser Audio player "canPlayType" function.
+   *
+   * @param {string[]} supportedMimeTypes
+   * @returns {boolean}
+   */
+  checkCanDirectPlay(supportedMimeTypes) {
+    if (!Array.isArray(supportedMimeTypes)) {
+      Logger.error(`[Book] checkCanDirectPlay: supportedMimeTypes is not an array`, supportedMimeTypes)
+      return false
+    }
+    return this.includedAudioFiles.every((af) => supportedMimeTypes.includes(af.mimeType))
+  }
+
+  /**
+   * Get the track list to be used in client audio players
+   * AudioTrack is the AudioFile with startOffset, contentUrl and title
+   *
+   * @param {string} libraryItemId
+   * @returns {AudioTrack[]}
+   */
+  getTracklist(libraryItemId) {
     let startOffset = 0
     return this.includedAudioFiles.map((af) => {
       const track = structuredClone(af)
+      track.title = af.metadata.filename
       track.startOffset = startOffset
+      track.contentUrl = `${global.RouterBasePath}/api/items/${libraryItemId}/file/${track.ino}`
       startOffset += track.duration
       return track
     })
   }
+
+  /**
+   *
+   * @returns {ChapterObject[]}
+   */
+  getChapters() {
+    return structuredClone(this.chapters) || []
+  }
+
+  getPlaybackTitle() {
+    return this.title
+  }
+
+  getPlaybackAuthor() {
+    return this.authorName
+  }
+
+  getPlaybackDuration() {
+    return this.duration
+  }
+
+  /**
+   * Total file size of all audio files and ebook file
+   *
+   * @returns {number}
+   */
+  get size() {
+    let total = 0
+    this.audioFiles.forEach((af) => (total += af.metadata.size))
+    if (this.ebookFile) {
+      total += this.ebookFile.metadata.size
+    }
+    return total
+  }
+
+  getAbsMetadataJson() {
+    return {
+      tags: this.tags || [],
+      chapters: this.chapters?.map((c) => ({ ...c })) || [],
+      title: this.title,
+      subtitle: this.subtitle,
+      authors: this.authors.map((a) => a.name),
+      narrators: this.narrators,
+      series: this.series.map((se) => {
+        const sequence = se.bookSeries?.sequence || ''
+        if (!sequence) return se.name
+        return `${se.name} #${sequence}`
+      }),
+      genres: this.genres || [],
+      publishedYear: this.publishedYear,
+      publishedDate: this.publishedDate,
+      publisher: this.publisher,
+      description: this.description,
+      isbn: this.isbn,
+      asin: this.asin,
+      language: this.language,
+      explicit: !!this.explicit,
+      abridged: !!this.abridged
+    }
+  }
+
+  /**
+   *
+   * @param {Object} payload - old book object
+   * @returns {Promise<boolean>}
+   */
+  async updateFromRequest(payload) {
+    if (!payload) return false
+
+    let hasUpdates = false
+
+    if (payload.metadata) {
+      const metadataStringKeys = ['title', 'subtitle', 'publishedYear', 'publishedDate', 'publisher', 'description', 'isbn', 'asin', 'language']
+      metadataStringKeys.forEach((key) => {
+        if (typeof payload.metadata[key] === 'string' && this[key] !== payload.metadata[key]) {
+          this[key] = payload.metadata[key] || null
+
+          if (key === 'title') {
+            this.titleIgnorePrefix = getTitleIgnorePrefix(this.title)
+          }
+
+          hasUpdates = true
+        }
+      })
+      if (payload.metadata.explicit !== undefined && this.explicit !== !!payload.metadata.explicit) {
+        this.explicit = !!payload.metadata.explicit
+        hasUpdates = true
+      }
+      if (payload.metadata.abridged !== undefined && this.abridged !== !!payload.metadata.abridged) {
+        this.abridged = !!payload.metadata.abridged
+        hasUpdates = true
+      }
+      const arrayOfStringsKeys = ['narrators', 'genres']
+      arrayOfStringsKeys.forEach((key) => {
+        if (Array.isArray(payload.metadata[key]) && !payload.metadata[key].some((item) => typeof item !== 'string') && JSON.stringify(this[key]) !== JSON.stringify(payload.metadata[key])) {
+          this[key] = payload.metadata[key]
+          this.changed(key, true)
+          hasUpdates = true
+        }
+      })
+    }
+
+    if (Array.isArray(payload.tags) && !payload.tags.some((tag) => typeof tag !== 'string') && JSON.stringify(this.tags) !== JSON.stringify(payload.tags)) {
+      this.tags = payload.tags
+      this.changed('tags', true)
+      hasUpdates = true
+    }
+
+    // TODO: Remove support for updating audioFiles, chapters and ebookFile here
+    const arrayOfObjectsKeys = ['audioFiles', 'chapters']
+    arrayOfObjectsKeys.forEach((key) => {
+      if (Array.isArray(payload[key]) && !payload[key].some((item) => typeof item !== 'object') && JSON.stringify(this[key]) !== JSON.stringify(payload[key])) {
+        this[key] = payload[key]
+        this.changed(key, true)
+        hasUpdates = true
+      }
+    })
+    if (payload.ebookFile && JSON.stringify(this.ebookFile) !== JSON.stringify(payload.ebookFile)) {
+      this.ebookFile = payload.ebookFile
+      this.changed('ebookFile', true)
+      hasUpdates = true
+    }
+
+    if (hasUpdates) {
+      Logger.debug(`[Book] "${this.title}" changed keys:`, this.changed())
+      await this.save()
+    }
+
+    if (Array.isArray(payload.metadata?.authors)) {
+      const authorsRemoved = this.authors.filter((au) => !payload.metadata.authors.some((a) => a.id === au.id))
+      const newAuthors = payload.metadata.authors.filter((a) => !this.authors.some((au) => au.id === a.id))
+
+      for (const author of authorsRemoved) {
+        await this.sequelize.models.bookAuthor.removeByIds(author.id, this.id)
+        Logger.debug(`[Book] "${this.title}" Removed author ${author.id}`)
+        hasUpdates = true
+      }
+      for (const author of newAuthors) {
+        await this.sequelize.models.bookAuthor.create({ bookId: this.id, authorId: author.id })
+        Logger.debug(`[Book] "${this.title}" Added author ${author.id}`)
+        hasUpdates = true
+      }
+    }
+
+    if (Array.isArray(payload.metadata?.series)) {
+      const seriesRemoved = this.series.filter((se) => !payload.metadata.series.some((s) => s.id === se.id))
+      const newSeries = payload.metadata.series.filter((s) => !this.series.some((se) => se.id === s.id))
+
+      for (const series of seriesRemoved) {
+        await this.sequelize.models.bookSeries.removeByIds(series.id, this.id)
+        Logger.debug(`[Book] "${this.title}" Removed series ${series.id}`)
+        hasUpdates = true
+      }
+      for (const series of newSeries) {
+        await this.sequelize.models.bookSeries.create({ bookId: this.id, seriesId: series.id, sequence: series.sequence })
+        Logger.debug(`[Book] "${this.title}" Added series ${series.id}`)
+        hasUpdates = true
+      }
+      for (const series of payload.metadata.series) {
+        const existingSeries = this.series.find((se) => se.id === series.id)
+        if (existingSeries && existingSeries.bookSeries.sequence !== series.sequence) {
+          await existingSeries.bookSeries.update({ sequence: series.sequence })
+          Logger.debug(`[Book] "${this.title}" Updated series ${series.id} sequence ${series.sequence}`)
+          hasUpdates = true
+        }
+      }
+    }
+
+    return hasUpdates
+  }
+
+  /**
+   * Old model kept metadata in a separate object
+   */
+  oldMetadataToJSON() {
+    const authors = this.authors.map((au) => ({ id: au.id, name: au.name }))
+    const series = this.series.map((se) => ({ id: se.id, name: se.name, sequence: se.bookSeries.sequence }))
+    return {
+      title: this.title,
+      subtitle: this.subtitle,
+      authors,
+      narrators: [...(this.narrators || [])],
+      series,
+      genres: [...(this.genres || [])],
+      publishedYear: this.publishedYear,
+      publishedDate: this.publishedDate,
+      publisher: this.publisher,
+      description: this.description,
+      isbn: this.isbn,
+      asin: this.asin,
+      language: this.language,
+      explicit: this.explicit,
+      abridged: this.abridged
+    }
+  }
+
+  oldMetadataToJSONMinified() {
+    return {
+      title: this.title,
+      titleIgnorePrefix: getTitlePrefixAtEnd(this.title),
+      subtitle: this.subtitle,
+      authorName: this.authorName,
+      authorNameLF: this.authorNameLF,
+      narratorName: (this.narrators || []).join(', '),
+      seriesName: this.seriesName,
+      genres: [...(this.genres || [])],
+      publishedYear: this.publishedYear,
+      publishedDate: this.publishedDate,
+      publisher: this.publisher,
+      description: this.description,
+      isbn: this.isbn,
+      asin: this.asin,
+      language: this.language,
+      explicit: this.explicit,
+      abridged: this.abridged
+    }
+  }
+
+  oldMetadataToJSONExpanded() {
+    const oldMetadataJSON = this.oldMetadataToJSON()
+    oldMetadataJSON.titleIgnorePrefix = getTitlePrefixAtEnd(this.title)
+    oldMetadataJSON.authorName = this.authorName
+    oldMetadataJSON.authorNameLF = this.authorNameLF
+    oldMetadataJSON.narratorName = (this.narrators || []).join(', ')
+    oldMetadataJSON.seriesName = this.seriesName
+    return oldMetadataJSON
+  }
+
+  /**
+   * The old model stored a minified series and authors array with the book object.
+   * Minified series is { id, name, sequence }
+   * Minified author is { id, name }
+   *
+   * @param {string} libraryItemId
+   */
+  toOldJSON(libraryItemId) {
+    if (!libraryItemId) {
+      throw new Error(`[Book] Cannot convert to old JSON because libraryItemId is not provided`)
+    }
+    if (!this.authors) {
+      throw new Error(`[Book] Cannot convert to old JSON because authors are not loaded`)
+    }
+    if (!this.series) {
+      throw new Error(`[Book] Cannot convert to old JSON because series are not loaded`)
+    }
+
+    return {
+      id: this.id,
+      libraryItemId: libraryItemId,
+      metadata: this.oldMetadataToJSON(),
+      coverPath: this.coverPath,
+      tags: [...(this.tags || [])],
+      audioFiles: structuredClone(this.audioFiles),
+      chapters: structuredClone(this.chapters),
+      ebookFile: structuredClone(this.ebookFile)
+    }
+  }
+
+  toOldJSONMinified() {
+    if (!this.authors) {
+      throw new Error(`[Book] Cannot convert to old JSON because authors are not loaded`)
+    }
+    if (!this.series) {
+      throw new Error(`[Book] Cannot convert to old JSON because series are not loaded`)
+    }
+
+    return {
+      id: this.id,
+      metadata: this.oldMetadataToJSONMinified(),
+      coverPath: this.coverPath,
+      tags: [...(this.tags || [])],
+      numTracks: this.includedAudioFiles.length,
+      numAudioFiles: this.audioFiles?.length || 0,
+      numChapters: this.chapters?.length || 0,
+      duration: this.duration,
+      size: this.size,
+      ebookFormat: this.ebookFile?.ebookFormat
+    }
+  }
+
+  toOldJSONExpanded(libraryItemId) {
+    if (!libraryItemId) {
+      throw new Error(`[Book] Cannot convert to old JSON because libraryItemId is not provided`)
+    }
+    if (!this.authors) {
+      throw new Error(`[Book] Cannot convert to old JSON because authors are not loaded`)
+    }
+    if (!this.series) {
+      throw new Error(`[Book] Cannot convert to old JSON because series are not loaded`)
+    }
+
+    return {
+      id: this.id,
+      libraryItemId: libraryItemId,
+      metadata: this.oldMetadataToJSONExpanded(),
+      coverPath: this.coverPath,
+      tags: [...(this.tags || [])],
+      audioFiles: structuredClone(this.audioFiles),
+      chapters: structuredClone(this.chapters),
+      ebookFile: structuredClone(this.ebookFile),
+      duration: this.duration,
+      size: this.size,
+      tracks: this.getTracklist(libraryItemId)
+    }
+  }
 }
 
 module.exports = Book
diff --git a/server/models/Collection.js b/server/models/Collection.js
index e01ad90a..d5f36ba9 100644
--- a/server/models/Collection.js
+++ b/server/models/Collection.js
@@ -1,7 +1,5 @@
 const { DataTypes, Model, Sequelize } = require('sequelize')
 
-const oldCollection = require('../objects/Collection')
-
 class Collection extends Model {
   constructor(values, options) {
     super(values, options)
@@ -26,12 +24,12 @@ class Collection extends Model {
   }
 
   /**
-   * Get all old collections toJSONExpanded, items filtered for user permissions
+   * Get all toOldJSONExpanded, items filtered for user permissions
    *
    * @param {import('./User')} user
    * @param {string} [libraryId]
    * @param {string[]} [include]
-   * @returns {Promise<oldCollection[]>} oldCollection.toJSONExpanded
+   * @async
    */
   static async getOldCollectionsJsonExpanded(user, libraryId, include) {
     let collectionWhere = null
@@ -79,8 +77,6 @@ class Collection extends Model {
     // TODO: Handle user permission restrictions on initial query
     return collections
       .map((c) => {
-        const oldCollection = this.getOldCollection(c)
-
         // Filter books using user permissions
         const books =
           c.books?.filter((b) => {
@@ -95,20 +91,14 @@ class Collection extends Model {
             return true
           }) || []
 
-        // Map to library items
-        const libraryItems = books.map((b) => {
-          const libraryItem = b.libraryItem
-          delete b.libraryItem
-          libraryItem.media = b
-          return this.sequelize.models.libraryItem.getOldLibraryItem(libraryItem)
-        })
-
         // Users with restricted permissions will not see this collection
-        if (!books.length && oldCollection.books.length) {
+        if (!books.length && c.books.length) {
           return null
         }
 
-        const collectionExpanded = oldCollection.toJSONExpanded(libraryItems)
+        this.books = books
+
+        const collectionExpanded = c.toOldJSONExpanded()
 
         // Map feed if found
         if (c.feeds?.length) {
@@ -153,69 +143,6 @@ class Collection extends Model {
     })
   }
 
-  /**
-   * Get old collection from Collection
-   * @param {Collection} collectionExpanded
-   * @returns {oldCollection}
-   */
-  static getOldCollection(collectionExpanded) {
-    const libraryItemIds = collectionExpanded.books?.map((b) => b.libraryItem?.id || null).filter((lid) => lid) || []
-    return new oldCollection({
-      id: collectionExpanded.id,
-      libraryId: collectionExpanded.libraryId,
-      name: collectionExpanded.name,
-      description: collectionExpanded.description,
-      books: libraryItemIds,
-      lastUpdate: collectionExpanded.updatedAt.valueOf(),
-      createdAt: collectionExpanded.createdAt.valueOf()
-    })
-  }
-
-  /**
-   *
-   * @param {oldCollection} oldCollection
-   * @returns {Promise<Collection>}
-   */
-  static createFromOld(oldCollection) {
-    const collection = this.getFromOld(oldCollection)
-    return this.create(collection)
-  }
-
-  static getFromOld(oldCollection) {
-    return {
-      id: oldCollection.id,
-      name: oldCollection.name,
-      description: oldCollection.description,
-      libraryId: oldCollection.libraryId
-    }
-  }
-
-  static removeById(collectionId) {
-    return this.destroy({
-      where: {
-        id: collectionId
-      }
-    })
-  }
-
-  /**
-   * Get old collection by id
-   * @param {string} collectionId
-   * @returns {Promise<oldCollection|null>} returns null if not found
-   */
-  static async getOldById(collectionId) {
-    if (!collectionId) return null
-    const collection = await this.findByPk(collectionId, {
-      include: {
-        model: this.sequelize.models.book,
-        include: this.sequelize.models.libraryItem
-      },
-      order: [[this.sequelize.models.book, this.sequelize.models.collectionBook, 'order', 'ASC']]
-    })
-    if (!collection) return null
-    return this.getOldCollection(collection)
-  }
-
   /**
    * Remove all collections belonging to library
    * @param {string} libraryId
@@ -286,64 +213,37 @@ class Collection extends Model {
   }
 
   /**
-   * Get old collection toJSONExpanded, items filtered for user permissions
+   * Get toOldJSONExpanded, items filtered for user permissions
    *
    * @param {import('./User')|null} user
    * @param {string[]} [include]
-   * @returns {Promise<oldCollection>} oldCollection.toJSONExpanded
+   * @async
    */
   async getOldJsonExpanded(user, include) {
-    this.books =
-      (await this.getBooks({
-        include: [
-          {
-            model: this.sequelize.models.libraryItem
-          },
-          {
-            model: this.sequelize.models.author,
-            through: {
-              attributes: []
-            }
-          },
-          {
-            model: this.sequelize.models.series,
-            through: {
-              attributes: ['sequence']
-            }
-          }
-        ],
-        order: [Sequelize.literal('`collectionBook.order` ASC')]
-      })) || []
+    this.books = await this.getBooksExpandedWithLibraryItem()
 
     // Filter books using user permissions
     // TODO: Handle user permission restrictions on initial query
-    const books =
-      this.books?.filter((b) => {
-        if (user) {
-          if (b.tags?.length && !user.checkCanAccessLibraryItemWithTags(b.tags)) {
-            return false
-          }
-          if (b.explicit === true && !user.canAccessExplicitContent) {
-            return false
-          }
+    if (user) {
+      const books = this.books.filter((b) => {
+        if (b.tags?.length && !user.checkCanAccessLibraryItemWithTags(b.tags)) {
+          return false
+        }
+        if (b.explicit === true && !user.canAccessExplicitContent) {
+          return false
         }
         return true
-      }) || []
+      })
 
-    // Map to library items
-    const libraryItems = books.map((b) => {
-      const libraryItem = b.libraryItem
-      delete b.libraryItem
-      libraryItem.media = b
-      return this.sequelize.models.libraryItem.getOldLibraryItem(libraryItem)
-    })
+      // Users with restricted permissions will not see this collection
+      if (!books.length && this.books.length) {
+        return null
+      }
 
-    // Users with restricted permissions will not see this collection
-    if (!books.length && this.books.length) {
-      return null
+      this.books = books
     }
 
-    const collectionExpanded = this.toOldJSONExpanded(libraryItems)
+    const collectionExpanded = this.toOldJSONExpanded()
 
     if (include?.includes('rssfeed')) {
       const feeds = await this.getFeeds()
@@ -357,10 +257,10 @@ class Collection extends Model {
 
   /**
    *
-   * @param {string[]} libraryItemIds
+   * @param {string[]} [libraryItemIds=[]]
    * @returns
    */
-  toOldJSON(libraryItemIds) {
+  toOldJSON(libraryItemIds = []) {
     return {
       id: this.id,
       libraryId: this.libraryId,
@@ -372,19 +272,19 @@ class Collection extends Model {
     }
   }
 
-  /**
-   *
-   * @param {import('../objects/LibraryItem')} oldLibraryItems
-   * @returns
-   */
-  toOldJSONExpanded(oldLibraryItems) {
-    const json = this.toOldJSON(oldLibraryItems.map((li) => li.id))
-    json.books = json.books
-      .map((libraryItemId) => {
-        const book = oldLibraryItems.find((li) => li.id === libraryItemId)
-        return book ? book.toJSONExpanded() : null
-      })
-      .filter((b) => !!b)
+  toOldJSONExpanded() {
+    if (!this.books) {
+      throw new Error('Books are required to expand Collection')
+    }
+
+    const json = this.toOldJSON()
+    json.books = this.books.map((book) => {
+      const libraryItem = book.libraryItem
+      delete book.libraryItem
+      libraryItem.media = book
+      return libraryItem.toOldJSONExpanded()
+    })
+
     return json
   }
 }
diff --git a/server/models/CollectionBook.js b/server/models/CollectionBook.js
index e04da3b2..e706d68c 100644
--- a/server/models/CollectionBook.js
+++ b/server/models/CollectionBook.js
@@ -16,15 +16,6 @@ class CollectionBook extends Model {
     this.createdAt
   }
 
-  static removeByIds(collectionId, bookId) {
-    return this.destroy({
-      where: {
-        bookId,
-        collectionId
-      }
-    })
-  }
-
   static init(sequelize) {
     super.init(
       {
diff --git a/server/models/Feed.js b/server/models/Feed.js
index d8f8553c..41bca449 100644
--- a/server/models/Feed.js
+++ b/server/models/Feed.js
@@ -107,6 +107,9 @@ class Feed extends Model {
       entityUpdatedAt = libraryItem.media.podcastEpisodes.reduce((mostRecent, episode) => {
         return episode.updatedAt > mostRecent ? episode.updatedAt : mostRecent
       }, entityUpdatedAt)
+    } else if (libraryItem.media.updatedAt > entityUpdatedAt) {
+      // Book feeds will use Book.updatedAt if more recent
+      entityUpdatedAt = libraryItem.media.updatedAt
     }
 
     const feedObj = {
@@ -187,7 +190,8 @@ class Feed extends Model {
     const booksWithTracks = collectionExpanded.books.filter((book) => book.includedAudioFiles.length)
 
     const entityUpdatedAt = booksWithTracks.reduce((mostRecent, book) => {
-      return book.libraryItem.updatedAt > mostRecent ? book.libraryItem.updatedAt : mostRecent
+      const updatedAt = book.libraryItem.updatedAt > book.updatedAt ? book.libraryItem.updatedAt : book.updatedAt
+      return updatedAt > mostRecent ? updatedAt : mostRecent
     }, collectionExpanded.updatedAt)
 
     const firstBookWithCover = booksWithTracks.find((book) => book.coverPath)
@@ -275,7 +279,8 @@ class Feed extends Model {
   static getFeedObjForSeries(userId, seriesExpanded, slug, serverAddress, feedOptions = null) {
     const booksWithTracks = seriesExpanded.books.filter((book) => book.includedAudioFiles.length)
     const entityUpdatedAt = booksWithTracks.reduce((mostRecent, book) => {
-      return book.libraryItem.updatedAt > mostRecent ? book.libraryItem.updatedAt : mostRecent
+      const updatedAt = book.libraryItem.updatedAt > book.updatedAt ? book.libraryItem.updatedAt : book.updatedAt
+      return updatedAt > mostRecent ? updatedAt : mostRecent
     }, seriesExpanded.updatedAt)
 
     const firstBookWithCover = booksWithTracks.find((book) => book.coverPath)
@@ -516,17 +521,24 @@ class Feed extends Model {
     try {
       const updatedFeed = await this.update(feedObj, { transaction })
 
-      // Remove existing feed episodes
-      await feedEpisodeModel.destroy({
-        where: {
-          feedId: this.id
-        },
-        transaction
-      })
+      const existingFeedEpisodeIds = this.feedEpisodes.map((ep) => ep.id)
 
       // Create new feed episodes
       updatedFeed.feedEpisodes = await feedEpisodeCreateFunc(feedEpisodeCreateFuncEntity, updatedFeed, this.slug, transaction)
 
+      const newFeedEpisodeIds = updatedFeed.feedEpisodes.map((ep) => ep.id)
+      const feedEpisodeIdsToRemove = existingFeedEpisodeIds.filter((epid) => !newFeedEpisodeIds.includes(epid))
+
+      if (feedEpisodeIdsToRemove.length) {
+        Logger.info(`[Feed] Removing ${feedEpisodeIdsToRemove.length} episodes from feed ${this.id}`)
+        await feedEpisodeModel.destroy({
+          where: {
+            id: feedEpisodeIdsToRemove
+          },
+          transaction
+        })
+      }
+
       await transaction.commit()
 
       return updatedFeed
diff --git a/server/models/FeedEpisode.js b/server/models/FeedEpisode.js
index 3bf0ff85..0767577a 100644
--- a/server/models/FeedEpisode.js
+++ b/server/models/FeedEpisode.js
@@ -53,9 +53,10 @@ class FeedEpisode extends Model {
    * @param {import('./Feed')} feed
    * @param {string} slug
    * @param {import('./PodcastEpisode')} episode
+   * @param {string} [existingEpisodeId]
    */
-  static getFeedEpisodeObjFromPodcastEpisode(libraryItemExpanded, feed, slug, episode) {
-    const episodeId = uuidv4()
+  static getFeedEpisodeObjFromPodcastEpisode(libraryItemExpanded, feed, slug, episode, existingEpisodeId = null) {
+    const episodeId = existingEpisodeId || uuidv4()
     return {
       id: episodeId,
       title: episode.title,
@@ -94,25 +95,32 @@ class FeedEpisode extends Model {
       libraryItemExpanded.media.podcastEpisodes.sort((a, b) => new Date(a.pubDate) - new Date(b.pubDate))
     }
 
+    let numExisting = 0
     for (const episode of libraryItemExpanded.media.podcastEpisodes) {
-      feedEpisodeObjs.push(this.getFeedEpisodeObjFromPodcastEpisode(libraryItemExpanded, feed, slug, episode))
+      // Check for existing episode by filepath
+      const existingEpisode = feed.feedEpisodes?.find((feedEpisode) => {
+        return feedEpisode.filePath === episode.audioFile.metadata.path
+      })
+      numExisting = existingEpisode ? numExisting + 1 : numExisting
+
+      feedEpisodeObjs.push(this.getFeedEpisodeObjFromPodcastEpisode(libraryItemExpanded, feed, slug, episode, existingEpisode?.id))
     }
-    Logger.info(`[FeedEpisode] Creating ${feedEpisodeObjs.length} episodes for feed ${feed.id}`)
-    return this.bulkCreate(feedEpisodeObjs, { transaction })
+    Logger.info(`[FeedEpisode] Upserting ${feedEpisodeObjs.length} episodes for feed ${feed.id} (${numExisting} existing)`)
+    return this.bulkCreate(feedEpisodeObjs, { transaction, updateOnDuplicate: ['title', 'author', 'description', 'siteURL', 'enclosureURL', 'enclosureType', 'enclosureSize', 'pubDate', 'season', 'episode', 'episodeType', 'duration', 'filePath', 'explicit'] })
   }
 
   /**
    * If chapters for an audiobook match the audio tracks then use chapter titles instead of audio file names
    *
+   * @param {import('./Book').AudioTrack[]} trackList
    * @param {import('./Book')} book
    * @returns {boolean}
    */
-  static checkUseChapterTitlesForEpisodes(book) {
-    const tracks = book.trackList || []
+  static checkUseChapterTitlesForEpisodes(trackList, book) {
     const chapters = book.chapters || []
-    if (tracks.length !== chapters.length) return false
-    for (let i = 0; i < tracks.length; i++) {
-      if (Math.abs(chapters[i].start - tracks[i].startOffset) >= 1) {
+    if (trackList.length !== chapters.length) return false
+    for (let i = 0; i < trackList.length; i++) {
+      if (Math.abs(chapters[i].start - trackList[i].startOffset) >= 1) {
         return false
       }
     }
@@ -127,19 +135,20 @@ class FeedEpisode extends Model {
    * @param {string} slug
    * @param {import('./Book').AudioFileObject} audioTrack
    * @param {boolean} useChapterTitles
+   * @param {string} [existingEpisodeId]
    */
-  static getFeedEpisodeObjFromAudiobookTrack(book, pubDateStart, feed, slug, audioTrack, useChapterTitles) {
+  static getFeedEpisodeObjFromAudiobookTrack(book, pubDateStart, feed, slug, audioTrack, useChapterTitles, existingEpisodeId = null) {
     // Example: <pubDate>Fri, 04 Feb 2015 00:00:00 GMT</pubDate>
     let timeOffset = isNaN(audioTrack.index) ? 0 : Number(audioTrack.index) * 1000 // Offset pubdate to ensure correct order
-    let episodeId = uuidv4()
+    let episodeId = existingEpisodeId || uuidv4()
 
     // e.g. Track 1 will have a pub date before Track 2
     const audiobookPubDate = date.format(new Date(pubDateStart.valueOf() + timeOffset), 'ddd, DD MMM YYYY HH:mm:ss [GMT]')
 
     const contentUrl = `/feed/${slug}/item/${episodeId}/media${Path.extname(audioTrack.metadata.filename)}`
 
-    let title = audioTrack.title
-    if (book.trackList.length == 1) {
+    let title = Path.basename(audioTrack.metadata.filename, Path.extname(audioTrack.metadata.filename))
+    if (book.includedAudioFiles.length == 1) {
       // If audiobook is a single file, use book title instead of chapter/file title
       title = book.title
     } else {
@@ -176,19 +185,27 @@ class FeedEpisode extends Model {
    * @returns {Promise<FeedEpisode[]>}
    */
   static async createFromAudiobookTracks(libraryItemExpanded, feed, slug, transaction) {
-    const useChapterTitles = this.checkUseChapterTitlesForEpisodes(libraryItemExpanded.media)
+    const trackList = libraryItemExpanded.getTrackList()
+    const useChapterTitles = this.checkUseChapterTitlesForEpisodes(trackList, libraryItemExpanded.media)
 
     const feedEpisodeObjs = []
-    for (const track of libraryItemExpanded.media.trackList) {
-      feedEpisodeObjs.push(this.getFeedEpisodeObjFromAudiobookTrack(libraryItemExpanded.media, libraryItemExpanded.createdAt, feed, slug, track, useChapterTitles))
+    let numExisting = 0
+    for (const track of trackList) {
+      // Check for existing episode by filepath
+      const existingEpisode = feed.feedEpisodes?.find((episode) => {
+        return episode.filePath === track.metadata.path
+      })
+      numExisting = existingEpisode ? numExisting + 1 : numExisting
+
+      feedEpisodeObjs.push(this.getFeedEpisodeObjFromAudiobookTrack(libraryItemExpanded.media, libraryItemExpanded.createdAt, feed, slug, track, useChapterTitles, existingEpisode?.id))
     }
-    Logger.info(`[FeedEpisode] Creating ${feedEpisodeObjs.length} episodes for feed ${feed.id}`)
-    return this.bulkCreate(feedEpisodeObjs, { transaction })
+    Logger.info(`[FeedEpisode] Upserting ${feedEpisodeObjs.length} episodes for feed ${feed.id} (${numExisting} existing)`)
+    return this.bulkCreate(feedEpisodeObjs, { transaction, updateOnDuplicate: ['title', 'author', 'description', 'siteURL', 'enclosureURL', 'enclosureType', 'enclosureSize', 'pubDate', 'season', 'episode', 'episodeType', 'duration', 'filePath', 'explicit'] })
   }
 
   /**
    *
-   * @param {import('./Book')[]} books
+   * @param {import('./Book').BookExpandedWithLibraryItem[]} books
    * @param {import('./Feed')} feed
    * @param {string} slug
    * @param {import('sequelize').Transaction} transaction
@@ -200,14 +217,22 @@ class FeedEpisode extends Model {
     }).libraryItem.createdAt
 
     const feedEpisodeObjs = []
+    let numExisting = 0
     for (const book of books) {
-      const useChapterTitles = this.checkUseChapterTitlesForEpisodes(book)
-      for (const track of book.trackList) {
-        feedEpisodeObjs.push(this.getFeedEpisodeObjFromAudiobookTrack(book, earliestLibraryItemCreatedAt, feed, slug, track, useChapterTitles))
+      const trackList = book.libraryItem.getTrackList()
+      const useChapterTitles = this.checkUseChapterTitlesForEpisodes(trackList, book)
+      for (const track of trackList) {
+        // Check for existing episode by filepath
+        const existingEpisode = feed.feedEpisodes?.find((episode) => {
+          return episode.filePath === track.metadata.path
+        })
+        numExisting = existingEpisode ? numExisting + 1 : numExisting
+
+        feedEpisodeObjs.push(this.getFeedEpisodeObjFromAudiobookTrack(book, earliestLibraryItemCreatedAt, feed, slug, track, useChapterTitles, existingEpisode?.id))
       }
     }
-    Logger.info(`[FeedEpisode] Creating ${feedEpisodeObjs.length} episodes for feed ${feed.id}`)
-    return this.bulkCreate(feedEpisodeObjs, { transaction })
+    Logger.info(`[FeedEpisode] Upserting ${feedEpisodeObjs.length} episodes for feed ${feed.id} (${numExisting} existing)`)
+    return this.bulkCreate(feedEpisodeObjs, { transaction, updateOnDuplicate: ['title', 'author', 'description', 'siteURL', 'enclosureURL', 'enclosureType', 'enclosureSize', 'pubDate', 'season', 'episode', 'episodeType', 'duration', 'filePath', 'explicit'] })
   }
 
   /**
diff --git a/server/models/LibraryItem.js b/server/models/LibraryItem.js
index 8ebed1d5..31a6a0b4 100644
--- a/server/models/LibraryItem.js
+++ b/server/models/LibraryItem.js
@@ -122,45 +122,6 @@ class LibraryItem extends Model {
     })
   }
 
-  /**
-   * Currently unused because this is too slow and uses too much mem
-   * @param {import('sequelize').WhereOptions} [where]
-   * @returns {Array<objects.LibraryItem>} old library items
-   */
-  static async getAllOldLibraryItems(where = null) {
-    let libraryItems = await this.findAll({
-      where,
-      include: [
-        {
-          model: this.sequelize.models.book,
-          include: [
-            {
-              model: this.sequelize.models.author,
-              through: {
-                attributes: []
-              }
-            },
-            {
-              model: this.sequelize.models.series,
-              through: {
-                attributes: ['sequence']
-              }
-            }
-          ]
-        },
-        {
-          model: this.sequelize.models.podcast,
-          include: [
-            {
-              model: this.sequelize.models.podcastEpisode
-            }
-          ]
-        }
-      ]
-    })
-    return libraryItems.map((ti) => this.getOldLibraryItem(ti))
-  }
-
   /**
    * Convert an expanded LibraryItem into an old library item
    *
@@ -199,40 +160,6 @@ class LibraryItem extends Model {
     })
   }
 
-  static async fullCreateFromOld(oldLibraryItem) {
-    const newLibraryItem = await this.create(this.getFromOld(oldLibraryItem))
-
-    if (oldLibraryItem.mediaType === 'book') {
-      const bookObj = this.sequelize.models.book.getFromOld(oldLibraryItem.media)
-      bookObj.libraryItemId = newLibraryItem.id
-      const newBook = await this.sequelize.models.book.create(bookObj)
-
-      const oldBookAuthors = oldLibraryItem.media.metadata.authors || []
-      const oldBookSeriesAll = oldLibraryItem.media.metadata.series || []
-
-      for (const oldBookAuthor of oldBookAuthors) {
-        await this.sequelize.models.bookAuthor.create({ authorId: oldBookAuthor.id, bookId: newBook.id })
-      }
-      for (const oldSeries of oldBookSeriesAll) {
-        await this.sequelize.models.bookSeries.create({ seriesId: oldSeries.id, bookId: newBook.id, sequence: oldSeries.sequence })
-      }
-    } else if (oldLibraryItem.mediaType === 'podcast') {
-      const podcastObj = this.sequelize.models.podcast.getFromOld(oldLibraryItem.media)
-      podcastObj.libraryItemId = newLibraryItem.id
-      const newPodcast = await this.sequelize.models.podcast.create(podcastObj)
-
-      const oldEpisodes = oldLibraryItem.media.episodes || []
-      for (const oldEpisode of oldEpisodes) {
-        const episodeObj = this.sequelize.models.podcastEpisode.getFromOld(oldEpisode)
-        episodeObj.libraryItemId = newLibraryItem.id
-        episodeObj.podcastId = newPodcast.id
-        await this.sequelize.models.podcastEpisode.create(episodeObj)
-      }
-    }
-
-    return newLibraryItem
-  }
-
   /**
    * Updates libraryItem, book, authors and series from old library item
    *
@@ -448,6 +375,47 @@ class LibraryItem extends Model {
     })
   }
 
+  /**
+   *
+   * @param {import('sequelize').WhereOptions} where
+   * @returns {Promise<LibraryItemExpanded[]>}
+   */
+  static async findAllExpandedWhere(where = null) {
+    return this.findAll({
+      where,
+      include: [
+        {
+          model: this.sequelize.models.book,
+          include: [
+            {
+              model: this.sequelize.models.author,
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: this.sequelize.models.series,
+              through: {
+                attributes: ['sequence']
+              }
+            }
+          ]
+        },
+        {
+          model: this.sequelize.models.podcast,
+          include: {
+            model: this.sequelize.models.podcastEpisode
+          }
+        }
+      ],
+      order: [
+        // Ensure author & series stay in the same order
+        [this.sequelize.models.book, this.sequelize.models.author, this.sequelize.models.bookAuthor, 'createdAt', 'ASC'],
+        [this.sequelize.models.book, this.sequelize.models.series, 'bookSeries', 'createdAt', 'ASC']
+      ]
+    })
+  }
+
   /**
    *
    * @param {string} libraryItemId
@@ -497,6 +465,57 @@ class LibraryItem extends Model {
     return libraryItem
   }
 
+  /**
+   *
+   * @param {import('sequelize').WhereOptions} where
+   * @param {import('sequelize').IncludeOptions} [include]
+   * @returns {Promise<LibraryItemExpanded>}
+   */
+  static async findOneExpanded(where, include = null) {
+    const libraryItem = await this.findOne({
+      where,
+      include
+    })
+    if (!libraryItem) {
+      Logger.error(`[LibraryItem] Library item not found`)
+      return null
+    }
+
+    if (libraryItem.mediaType === 'podcast') {
+      libraryItem.media = await libraryItem.getMedia({
+        include: [
+          {
+            model: this.sequelize.models.podcastEpisode
+          }
+        ]
+      })
+    } else {
+      libraryItem.media = await libraryItem.getMedia({
+        include: [
+          {
+            model: this.sequelize.models.author,
+            through: {
+              attributes: []
+            }
+          },
+          {
+            model: this.sequelize.models.series,
+            through: {
+              attributes: ['id', 'sequence']
+            }
+          }
+        ],
+        order: [
+          [this.sequelize.models.author, this.sequelize.models.bookAuthor, 'createdAt', 'ASC'],
+          [this.sequelize.models.series, 'bookSeries', 'createdAt', 'ASC']
+        ]
+      })
+    }
+
+    if (!libraryItem.media) return null
+    return libraryItem
+  }
+
   /**
    * Get old library item by id
    * @param {string} libraryItemId
@@ -560,7 +579,7 @@ class LibraryItem extends Model {
 
     return {
       libraryItems: libraryItems.map((li) => {
-        const oldLibraryItem = this.getOldLibraryItem(li).toJSONMinified()
+        const oldLibraryItem = li.toOldJSONMinified()
         if (li.collapsedSeries) {
           oldLibraryItem.collapsedSeries = li.collapsedSeries
         }
@@ -766,21 +785,11 @@ class LibraryItem extends Model {
    * Get book library items for author, optional use user permissions
    * @param {import('./Author')} author
    * @param {import('./User')} user
-   * @returns {Promise<oldLibraryItem[]>}
+   * @returns {Promise<LibraryItemExpanded[]>}
    */
   static async getForAuthor(author, user = null) {
     const { libraryItems } = await libraryFilters.getLibraryItemsForAuthor(author, user, undefined, undefined)
-    return libraryItems.map((li) => this.getOldLibraryItem(li))
-  }
-
-  /**
-   * Get book library items in a collection
-   * @param {oldCollection} collection
-   * @returns {Promise<oldLibraryItem[]>}
-   */
-  static async getForCollection(collection) {
-    const libraryItems = await libraryFilters.getLibraryItemsForCollection(collection)
-    return libraryItems.map((li) => this.getOldLibraryItem(li))
+    return libraryItems
   }
 
   /**
@@ -865,54 +874,6 @@ class LibraryItem extends Model {
     return libraryItem.media.coverPath
   }
 
-  /**
-   *
-   * @param {import('sequelize').FindOptions} options
-   * @returns {Promise<Book|Podcast>}
-   */
-  getMedia(options) {
-    if (!this.mediaType) return Promise.resolve(null)
-    const mixinMethodName = `get${this.sequelize.uppercaseFirst(this.mediaType)}`
-    return this[mixinMethodName](options)
-  }
-
-  /**
-   *
-   * @returns {Promise<Book|Podcast>}
-   */
-  getMediaExpanded() {
-    if (this.mediaType === 'podcast') {
-      return this.getMedia({
-        include: [
-          {
-            model: this.sequelize.models.podcastEpisode
-          }
-        ]
-      })
-    } else {
-      return this.getMedia({
-        include: [
-          {
-            model: this.sequelize.models.author,
-            through: {
-              attributes: []
-            }
-          },
-          {
-            model: this.sequelize.models.series,
-            through: {
-              attributes: ['sequence']
-            }
-          }
-        ],
-        order: [
-          [this.sequelize.models.author, this.sequelize.models.bookAuthor, 'createdAt', 'ASC'],
-          [this.sequelize.models.series, 'bookSeries', 'createdAt', 'ASC']
-        ]
-      })
-    }
-  }
-
   /**
    *
    * @returns {Promise}
@@ -1061,6 +1022,9 @@ class LibraryItem extends Model {
           {
             fields: ['libraryId', 'mediaType']
           },
+          {
+            fields: ['libraryId', 'mediaType', 'size']
+          },
           {
             fields: ['libraryId', 'mediaId', 'mediaType']
           },
@@ -1128,6 +1092,64 @@ class LibraryItem extends Model {
     })
   }
 
+  get isBook() {
+    return this.mediaType === 'book'
+  }
+  get isPodcast() {
+    return this.mediaType === 'podcast'
+  }
+  get hasAudioTracks() {
+    return this.media.hasAudioTracks()
+  }
+
+  /**
+   *
+   * @param {import('sequelize').FindOptions} options
+   * @returns {Promise<Book|Podcast>}
+   */
+  getMedia(options) {
+    if (!this.mediaType) return Promise.resolve(null)
+    const mixinMethodName = `get${this.sequelize.uppercaseFirst(this.mediaType)}`
+    return this[mixinMethodName](options)
+  }
+
+  /**
+   *
+   * @returns {Promise<Book|Podcast>}
+   */
+  getMediaExpanded() {
+    if (this.mediaType === 'podcast') {
+      return this.getMedia({
+        include: [
+          {
+            model: this.sequelize.models.podcastEpisode
+          }
+        ]
+      })
+    } else {
+      return this.getMedia({
+        include: [
+          {
+            model: this.sequelize.models.author,
+            through: {
+              attributes: []
+            }
+          },
+          {
+            model: this.sequelize.models.series,
+            through: {
+              attributes: ['sequence']
+            }
+          }
+        ],
+        order: [
+          [this.sequelize.models.author, this.sequelize.models.bookAuthor, 'createdAt', 'ASC'],
+          [this.sequelize.models.series, 'bookSeries', 'createdAt', 'ASC']
+        ]
+      })
+    }
+  }
+
   /**
    * Check if book or podcast library item has audio tracks
    * Requires expanded library item
@@ -1139,12 +1161,149 @@ class LibraryItem extends Model {
       Logger.error(`[LibraryItem] hasAudioTracks: Library item "${this.id}" does not have media`)
       return false
     }
-    if (this.mediaType === 'book') {
+    if (this.isBook) {
       return this.media.audioFiles?.length > 0
     } else {
       return this.media.podcastEpisodes?.length > 0
     }
   }
+
+  /**
+   *
+   * @param {string} ino
+   * @returns {import('./Book').AudioFileObject}
+   */
+  getAudioFileWithIno(ino) {
+    if (!this.media) {
+      Logger.error(`[LibraryItem] getAudioFileWithIno: Library item "${this.id}" does not have media`)
+      return null
+    }
+    if (this.isBook) {
+      return this.media.audioFiles.find((af) => af.ino === ino)
+    } else {
+      return this.media.podcastEpisodes.find((pe) => pe.audioFile?.ino === ino)?.audioFile
+    }
+  }
+
+  /**
+   * Get the track list to be used in client audio players
+   * AudioTrack is the AudioFile with startOffset and contentUrl
+   * Podcasts must have an episodeId to get the track list
+   *
+   * @param {string} [episodeId]
+   * @returns {import('./Book').AudioTrack[]}
+   */
+  getTrackList(episodeId) {
+    if (!this.media) {
+      Logger.error(`[LibraryItem] getTrackList: Library item "${this.id}" does not have media`)
+      return []
+    }
+    return this.media.getTracklist(this.id, episodeId)
+  }
+
+  /**
+   *
+   * @param {string} ino
+   * @returns {LibraryFile}
+   */
+  getLibraryFileWithIno(ino) {
+    const libraryFile = this.libraryFiles.find((lf) => lf.ino === ino)
+    if (!libraryFile) return null
+    return new LibraryFile(libraryFile)
+  }
+
+  getLibraryFiles() {
+    return this.libraryFiles.map((lf) => new LibraryFile(lf))
+  }
+
+  getLibraryFilesJson() {
+    return this.libraryFiles.map((lf) => new LibraryFile(lf).toJSON())
+  }
+
+  toOldJSON() {
+    if (!this.media) {
+      throw new Error(`[LibraryItem] Cannot convert to old JSON without media for library item "${this.id}"`)
+    }
+
+    return {
+      id: this.id,
+      ino: this.ino,
+      oldLibraryItemId: this.extraData?.oldLibraryItemId || null,
+      libraryId: this.libraryId,
+      folderId: this.libraryFolderId,
+      path: this.path,
+      relPath: this.relPath,
+      isFile: this.isFile,
+      mtimeMs: this.mtime?.valueOf(),
+      ctimeMs: this.ctime?.valueOf(),
+      birthtimeMs: this.birthtime?.valueOf(),
+      addedAt: this.createdAt.valueOf(),
+      updatedAt: this.updatedAt.valueOf(),
+      lastScan: this.lastScan?.valueOf(),
+      scanVersion: this.lastScanVersion,
+      isMissing: !!this.isMissing,
+      isInvalid: !!this.isInvalid,
+      mediaType: this.mediaType,
+      media: this.media.toOldJSON(this.id),
+      // LibraryFile JSON includes a fileType property that may not be saved in libraryFiles column in the database
+      libraryFiles: this.getLibraryFilesJson()
+    }
+  }
+
+  toOldJSONMinified() {
+    if (!this.media) {
+      throw new Error(`[LibraryItem] Cannot convert to old JSON without media for library item "${this.id}"`)
+    }
+
+    return {
+      id: this.id,
+      ino: this.ino,
+      oldLibraryItemId: this.extraData?.oldLibraryItemId || null,
+      libraryId: this.libraryId,
+      folderId: this.libraryFolderId,
+      path: this.path,
+      relPath: this.relPath,
+      isFile: this.isFile,
+      mtimeMs: this.mtime?.valueOf(),
+      ctimeMs: this.ctime?.valueOf(),
+      birthtimeMs: this.birthtime?.valueOf(),
+      addedAt: this.createdAt.valueOf(),
+      updatedAt: this.updatedAt.valueOf(),
+      isMissing: !!this.isMissing,
+      isInvalid: !!this.isInvalid,
+      mediaType: this.mediaType,
+      media: this.media.toOldJSONMinified(),
+      numFiles: this.libraryFiles.length,
+      size: this.size
+    }
+  }
+
+  toOldJSONExpanded() {
+    return {
+      id: this.id,
+      ino: this.ino,
+      oldLibraryItemId: this.extraData?.oldLibraryItemId || null,
+      libraryId: this.libraryId,
+      folderId: this.libraryFolderId,
+      path: this.path,
+      relPath: this.relPath,
+      isFile: this.isFile,
+      mtimeMs: this.mtime?.valueOf(),
+      ctimeMs: this.ctime?.valueOf(),
+      birthtimeMs: this.birthtime?.valueOf(),
+      addedAt: this.createdAt.valueOf(),
+      updatedAt: this.updatedAt.valueOf(),
+      lastScan: this.lastScan?.valueOf(),
+      scanVersion: this.lastScanVersion,
+      isMissing: !!this.isMissing,
+      isInvalid: !!this.isInvalid,
+      mediaType: this.mediaType,
+      media: this.media.toOldJSONExpanded(this.id),
+      // LibraryFile JSON includes a fileType property that may not be saved in libraryFiles column in the database
+      libraryFiles: this.getLibraryFilesJson(),
+      size: this.size
+    }
+  }
 }
 
 module.exports = LibraryItem
diff --git a/server/models/MediaItemShare.js b/server/models/MediaItemShare.js
index 38b8dbbf..2d5be8f6 100644
--- a/server/models/MediaItemShare.js
+++ b/server/models/MediaItemShare.js
@@ -12,6 +12,7 @@ const { DataTypes, Model } = require('sequelize')
  * @property {Object} extraData
  * @property {Date} createdAt
  * @property {Date} updatedAt
+ * @property {boolean} isDownloadable
  *
  * @typedef {MediaItemShareObject & MediaItemShare} MediaItemShareModel
  */
@@ -25,11 +26,40 @@ const { DataTypes, Model } = require('sequelize')
  * @property {Date} expiresAt
  * @property {Date} createdAt
  * @property {Date} updatedAt
+ * @property {boolean} isDownloadable
  */
 
 class MediaItemShare extends Model {
   constructor(values, options) {
     super(values, options)
+
+    /** @type {UUIDV4} */
+    this.id
+    /** @type {UUIDV4} */
+    this.mediaItemId
+    /** @type {string} */
+    this.mediaItemType
+    /** @type {string} */
+    this.slug
+    /** @type {string} */
+    this.pash
+    /** @type {UUIDV4} */
+    this.userId
+    /** @type {Date} */
+    this.expiresAt
+    /** @type {Object} */
+    this.extraData
+    /** @type {Date} */
+    this.createdAt
+    /** @type {Date} */
+    this.updatedAt
+    /** @type {boolean} */
+    this.isDownloadable
+
+    // Expanded properties
+
+    /** @type {import('./Book')|import('./PodcastEpisode')} */
+    this.mediaItem
   }
 
   toJSONForClient() {
@@ -40,47 +70,32 @@ class MediaItemShare extends Model {
       slug: this.slug,
       expiresAt: this.expiresAt,
       createdAt: this.createdAt,
-      updatedAt: this.updatedAt
+      updatedAt: this.updatedAt,
+      isDownloadable: this.isDownloadable
     }
   }
 
   /**
+   * Expanded book that includes library settings
    *
    * @param {string} mediaItemId
    * @param {string} mediaItemType
-   * @returns {Promise<import('../objects/LibraryItem')>}
+   * @returns {Promise<import('./LibraryItem').LibraryItemExpanded>}
    */
-  static async getMediaItemsOldLibraryItem(mediaItemId, mediaItemType) {
+  static async getMediaItemsLibraryItem(mediaItemId, mediaItemType) {
+    /** @type {typeof import('./LibraryItem')} */
+    const libraryItemModel = this.sequelize.models.libraryItem
+
     if (mediaItemType === 'book') {
-      const book = await this.sequelize.models.book.findByPk(mediaItemId, {
-        include: [
-          {
-            model: this.sequelize.models.author,
-            through: {
-              attributes: []
-            }
-          },
-          {
-            model: this.sequelize.models.series,
-            through: {
-              attributes: ['sequence']
-            }
-          },
-          {
-            model: this.sequelize.models.libraryItem,
-            include: {
-              model: this.sequelize.models.library,
-              attributes: ['settings']
-            }
-          }
-        ]
-      })
-      const libraryItem = book.libraryItem
-      libraryItem.media = book
-      delete book.libraryItem
-      const oldLibraryItem = this.sequelize.models.libraryItem.getOldLibraryItem(libraryItem)
-      oldLibraryItem.librarySettings = libraryItem.library.settings
-      return oldLibraryItem
+      const libraryItem = await libraryItemModel.findOneExpanded(
+        { mediaId: mediaItemId },
+        {
+          model: this.sequelize.models.library,
+          attributes: ['settings']
+        }
+      )
+
+      return libraryItem
     }
     return null
   }
@@ -114,7 +129,8 @@ class MediaItemShare extends Model {
         slug: DataTypes.STRING,
         pash: DataTypes.STRING,
         expiresAt: DataTypes.DATE,
-        extraData: DataTypes.JSON
+        extraData: DataTypes.JSON,
+        isDownloadable: DataTypes.BOOLEAN
       },
       {
         sequelize,
diff --git a/server/models/Playlist.js b/server/models/Playlist.js
index 490e8087..35bd6c99 100644
--- a/server/models/Playlist.js
+++ b/server/models/Playlist.js
@@ -1,7 +1,6 @@
-const { DataTypes, Model, Op, literal } = require('sequelize')
+const { DataTypes, Model, Op } = require('sequelize')
 const Logger = require('../Logger')
-
-const oldPlaylist = require('../objects/Playlist')
+const SocketAuthority = require('../SocketAuthority')
 
 class Playlist extends Model {
   constructor(values, options) {
@@ -21,134 +20,23 @@ class Playlist extends Model {
     this.createdAt
     /** @type {Date} */
     this.updatedAt
-  }
 
-  static getOldPlaylist(playlistExpanded) {
-    const items = playlistExpanded.playlistMediaItems
-      .map((pmi) => {
-        const mediaItem = pmi.mediaItem || pmi.dataValues?.mediaItem
-        const libraryItemId = mediaItem?.podcast?.libraryItem?.id || mediaItem?.libraryItem?.id || null
-        if (!libraryItemId) {
-          Logger.error(`[Playlist] Invalid playlist media item - No library item id found`, JSON.stringify(pmi, null, 2))
-          return null
-        }
-        return {
-          episodeId: pmi.mediaItemType === 'podcastEpisode' ? pmi.mediaItemId : '',
-          libraryItemId
-        }
-      })
-      .filter((pmi) => pmi)
+    // Expanded properties
 
-    return new oldPlaylist({
-      id: playlistExpanded.id,
-      libraryId: playlistExpanded.libraryId,
-      userId: playlistExpanded.userId,
-      name: playlistExpanded.name,
-      description: playlistExpanded.description,
-      items,
-      lastUpdate: playlistExpanded.updatedAt.valueOf(),
-      createdAt: playlistExpanded.createdAt.valueOf()
-    })
+    /** @type {import('./PlaylistMediaItem')[]} - only set when expanded */
+    this.playlistMediaItems
   }
 
   /**
-   * Get old playlist toJSONExpanded
-   * @param {string[]} [include]
-   * @returns {Promise<oldPlaylist>} oldPlaylist.toJSONExpanded
-   */
-  async getOldJsonExpanded(include) {
-    this.playlistMediaItems =
-      (await this.getPlaylistMediaItems({
-        include: [
-          {
-            model: this.sequelize.models.book,
-            include: this.sequelize.models.libraryItem
-          },
-          {
-            model: this.sequelize.models.podcastEpisode,
-            include: {
-              model: this.sequelize.models.podcast,
-              include: this.sequelize.models.libraryItem
-            }
-          }
-        ],
-        order: [['order', 'ASC']]
-      })) || []
-
-    const oldPlaylist = this.sequelize.models.playlist.getOldPlaylist(this)
-    const libraryItemIds = oldPlaylist.items.map((i) => i.libraryItemId)
-
-    let libraryItems = await this.sequelize.models.libraryItem.getAllOldLibraryItems({
-      id: libraryItemIds
-    })
-
-    const playlistExpanded = oldPlaylist.toJSONExpanded(libraryItems)
-
-    return playlistExpanded
-  }
-
-  static createFromOld(oldPlaylist) {
-    const playlist = this.getFromOld(oldPlaylist)
-    return this.create(playlist)
-  }
-
-  static getFromOld(oldPlaylist) {
-    return {
-      id: oldPlaylist.id,
-      name: oldPlaylist.name,
-      description: oldPlaylist.description,
-      userId: oldPlaylist.userId,
-      libraryId: oldPlaylist.libraryId
-    }
-  }
-
-  static removeById(playlistId) {
-    return this.destroy({
-      where: {
-        id: playlistId
-      }
-    })
-  }
-
-  /**
-   * Get playlist by id
-   * @param {string} playlistId
-   * @returns {Promise<oldPlaylist|null>} returns null if not found
-   */
-  static async getById(playlistId) {
-    if (!playlistId) return null
-    const playlist = await this.findByPk(playlistId, {
-      include: {
-        model: this.sequelize.models.playlistMediaItem,
-        include: [
-          {
-            model: this.sequelize.models.book,
-            include: this.sequelize.models.libraryItem
-          },
-          {
-            model: this.sequelize.models.podcastEpisode,
-            include: {
-              model: this.sequelize.models.podcast,
-              include: this.sequelize.models.libraryItem
-            }
-          }
-        ]
-      },
-      order: [['playlistMediaItems', 'order', 'ASC']]
-    })
-    if (!playlist) return null
-    return this.getOldPlaylist(playlist)
-  }
-
-  /**
-   * Get old playlists for user and optionally for library
+   * Get old playlists for user and library
    *
    * @param {string} userId
-   * @param {string} [libraryId]
-   * @returns {Promise<oldPlaylist[]>}
+   * @param {string} libraryId
+   * @async
    */
-  static async getOldPlaylistsForUserAndLibrary(userId, libraryId = null) {
+  static async getOldPlaylistsForUserAndLibrary(userId, libraryId) {
     if (!userId && !libraryId) return []
+
     const whereQuery = {}
     if (userId) {
       whereQuery.userId = userId
@@ -163,7 +51,23 @@ class Playlist extends Model {
         include: [
           {
             model: this.sequelize.models.book,
-            include: this.sequelize.models.libraryItem
+            include: [
+              {
+                model: this.sequelize.models.libraryItem
+              },
+              {
+                model: this.sequelize.models.author,
+                through: {
+                  attributes: []
+                }
+              },
+              {
+                model: this.sequelize.models.series,
+                through: {
+                  attributes: ['sequence']
+                }
+              }
+            ]
           },
           {
             model: this.sequelize.models.podcastEpisode,
@@ -174,42 +78,13 @@ class Playlist extends Model {
           }
         ]
       },
-      order: [
-        [literal('name COLLATE NOCASE'), 'ASC'],
-        ['playlistMediaItems', 'order', 'ASC']
-      ]
+      order: [['playlistMediaItems', 'order', 'ASC']]
     })
 
-    const oldPlaylists = []
-    for (const playlistExpanded of playlistsExpanded) {
-      const oldPlaylist = this.getOldPlaylist(playlistExpanded)
-      const libraryItems = []
-      for (const pmi of playlistExpanded.playlistMediaItems) {
-        let mediaItem = pmi.mediaItem || pmi.dataValues.mediaItem
+    // Sort by name asc
+    playlistsExpanded.sort((a, b) => a.name.localeCompare(b.name))
 
-        if (!mediaItem) {
-          Logger.error(`[Playlist] Invalid playlist media item - No media item found`, JSON.stringify(mediaItem, null, 2))
-          continue
-        }
-        let libraryItem = mediaItem.libraryItem || mediaItem.podcast?.libraryItem
-
-        if (mediaItem.podcast) {
-          libraryItem.media = mediaItem.podcast
-          libraryItem.media.podcastEpisodes = [mediaItem]
-          delete mediaItem.podcast.libraryItem
-        } else {
-          libraryItem.media = mediaItem
-          delete mediaItem.libraryItem
-        }
-
-        const oldLibraryItem = this.sequelize.models.libraryItem.getOldLibraryItem(libraryItem)
-        libraryItems.push(oldLibraryItem)
-      }
-      const oldPlaylistJson = oldPlaylist.toJSONExpanded(libraryItems)
-      oldPlaylists.push(oldPlaylistJson)
-    }
-
-    return oldPlaylists
+    return playlistsExpanded.map((playlist) => playlist.toOldJSONExpanded())
   }
 
   /**
@@ -289,6 +164,49 @@ class Playlist extends Model {
     return playlists
   }
 
+  /**
+   * Removes media items and re-orders playlists
+   *
+   * @param {string[]} mediaItemIds
+   */
+  static async removeMediaItemsFromPlaylists(mediaItemIds) {
+    if (!mediaItemIds?.length) return
+
+    const playlistsWithItem = await this.getPlaylistsForMediaItemIds(mediaItemIds)
+
+    if (!playlistsWithItem.length) return
+
+    for (const playlist of playlistsWithItem) {
+      let numMediaItems = playlist.playlistMediaItems.length
+
+      let order = 1
+      // Remove items in playlist and re-order
+      for (const playlistMediaItem of playlist.playlistMediaItems) {
+        if (mediaItemIds.includes(playlistMediaItem.mediaItemId)) {
+          await playlistMediaItem.destroy()
+          numMediaItems--
+        } else {
+          if (playlistMediaItem.order !== order) {
+            playlistMediaItem.update({
+              order
+            })
+          }
+          order++
+        }
+      }
+
+      // If playlist is now empty then remove it
+      const jsonExpanded = await playlist.getOldJsonExpanded()
+      if (!numMediaItems) {
+        Logger.info(`[ApiRouter] Playlist "${playlist.name}" has no more items - removing it`)
+        await playlist.destroy()
+        SocketAuthority.clientEmitter(playlist.userId, 'playlist_removed', jsonExpanded)
+      } else {
+        SocketAuthority.clientEmitter(playlist.userId, 'playlist_updated', jsonExpanded)
+      }
+    }
+  }
+
   /**
    * Initialize model
    * @param {import('../Database').sequelize} sequelize
@@ -345,6 +263,117 @@ class Playlist extends Model {
       }
     })
   }
+
+  /**
+   * Get all media items in playlist expanded with library item
+   *
+   * @returns {Promise<import('./PlaylistMediaItem')[]>}
+   */
+  getMediaItemsExpandedWithLibraryItem() {
+    return this.getPlaylistMediaItems({
+      include: [
+        {
+          model: this.sequelize.models.book,
+          include: [
+            {
+              model: this.sequelize.models.libraryItem
+            },
+            {
+              model: this.sequelize.models.author,
+              through: {
+                attributes: []
+              }
+            },
+            {
+              model: this.sequelize.models.series,
+              through: {
+                attributes: ['sequence']
+              }
+            }
+          ]
+        },
+        {
+          model: this.sequelize.models.podcastEpisode,
+          include: [
+            {
+              model: this.sequelize.models.podcast,
+              include: this.sequelize.models.libraryItem
+            }
+          ]
+        }
+      ],
+      order: [['order', 'ASC']]
+    })
+  }
+
+  /**
+   * Get playlists toOldJSONExpanded
+   *
+   * @async
+   */
+  async getOldJsonExpanded() {
+    this.playlistMediaItems = await this.getMediaItemsExpandedWithLibraryItem()
+    return this.toOldJSONExpanded()
+  }
+
+  /**
+   * Old model used libraryItemId instead of bookId
+   *
+   * @param {string} libraryItemId
+   * @param {string} [episodeId]
+   */
+  checkHasMediaItem(libraryItemId, episodeId) {
+    if (!this.playlistMediaItems) {
+      throw new Error('playlistMediaItems are required to check Playlist')
+    }
+    if (episodeId) {
+      return this.playlistMediaItems.some((pmi) => pmi.mediaItemId === episodeId)
+    }
+    return this.playlistMediaItems.some((pmi) => pmi.mediaItem.libraryItem.id === libraryItemId)
+  }
+
+  toOldJSON() {
+    return {
+      id: this.id,
+      name: this.name,
+      libraryId: this.libraryId,
+      userId: this.userId,
+      description: this.description,
+      lastUpdate: this.updatedAt.valueOf(),
+      createdAt: this.createdAt.valueOf()
+    }
+  }
+
+  toOldJSONExpanded() {
+    if (!this.playlistMediaItems) {
+      throw new Error('playlistMediaItems are required to expand Playlist')
+    }
+
+    const json = this.toOldJSON()
+    json.items = this.playlistMediaItems.map((pmi) => {
+      if (pmi.mediaItemType === 'book') {
+        const libraryItem = pmi.mediaItem.libraryItem
+        delete pmi.mediaItem.libraryItem
+        libraryItem.media = pmi.mediaItem
+        return {
+          libraryItemId: libraryItem.id,
+          libraryItem: libraryItem.toOldJSONExpanded()
+        }
+      }
+
+      const libraryItem = pmi.mediaItem.podcast.libraryItem
+      delete pmi.mediaItem.podcast.libraryItem
+      libraryItem.media = pmi.mediaItem.podcast
+      return {
+        episodeId: pmi.mediaItemId,
+        episode: pmi.mediaItem.toOldJSONExpanded(libraryItem.id),
+        libraryItemId: libraryItem.id,
+        libraryItem: libraryItem.toOldJSONMinified()
+      }
+    })
+
+    return json
+  }
 }
 
 module.exports = Playlist
diff --git a/server/models/PlaylistMediaItem.js b/server/models/PlaylistMediaItem.js
index 1c53bea1..2eac036b 100644
--- a/server/models/PlaylistMediaItem.js
+++ b/server/models/PlaylistMediaItem.js
@@ -16,15 +16,11 @@ class PlaylistMediaItem extends Model {
     this.playlistId
     /** @type {Date} */
     this.createdAt
-  }
 
-  static removeByIds(playlistId, mediaItemId) {
-    return this.destroy({
-      where: {
-        playlistId,
-        mediaItemId
-      }
-    })
+    // Expanded properties
+
+    /** @type {import('./Book')|import('./PodcastEpisode')} - only set when expanded */
+    this.mediaItem
   }
 
   getMediaItem(options) {
diff --git a/server/models/Podcast.js b/server/models/Podcast.js
index 60f879d0..aa7afbac 100644
--- a/server/models/Podcast.js
+++ b/server/models/Podcast.js
@@ -1,4 +1,6 @@
 const { DataTypes, Model } = require('sequelize')
+const { getTitlePrefixAtEnd, getTitleIgnorePrefix } = require('../utils')
+const Logger = require('../Logger')
 
 /**
  * @typedef PodcastExpandedProperties
@@ -47,6 +49,8 @@ class Podcast extends Model {
     this.lastEpisodeCheck
     /** @type {number} */
     this.maxEpisodesToKeep
+    /** @type {number} */
+    this.maxNewEpisodesToDownload
     /** @type {string} */
     this.coverPath
     /** @type {string[]} */
@@ -57,6 +61,9 @@ class Podcast extends Model {
     this.createdAt
     /** @type {Date} */
     this.updatedAt
+
+    /** @type {import('./PodcastEpisode')[]} */
+    this.podcastEpisodes
   }
 
   static getOldPodcast(libraryItemExpanded) {
@@ -119,23 +126,43 @@ class Podcast extends Model {
     }
   }
 
-  getAbsMetadataJson() {
-    return {
-      tags: this.tags || [],
-      title: this.title,
-      author: this.author,
-      description: this.description,
-      releaseDate: this.releaseDate,
-      genres: this.genres || [],
-      feedURL: this.feedURL,
-      imageURL: this.imageURL,
-      itunesPageURL: this.itunesPageURL,
-      itunesId: this.itunesId,
-      itunesArtistId: this.itunesArtistId,
-      language: this.language,
-      explicit: !!this.explicit,
-      podcastType: this.podcastType
-    }
+  /**
+   * Payload from the /api/podcasts POST endpoint
+   *
+   * @param {Object} payload
+   * @param {import('sequelize').Transaction} transaction
+   */
+  static async createFromRequest(payload, transaction) {
+    const title = typeof payload.metadata.title === 'string' ? payload.metadata.title : null
+    const autoDownloadSchedule = typeof payload.autoDownloadSchedule === 'string' ? payload.autoDownloadSchedule : null
+    const genres = Array.isArray(payload.metadata.genres) && payload.metadata.genres.every((g) => typeof g === 'string' && g.length) ? payload.metadata.genres : []
+    const tags = Array.isArray(payload.tags) && payload.tags.every((t) => typeof t === 'string' && t.length) ? payload.tags : []
+
+    return this.create(
+      {
+        title,
+        titleIgnorePrefix: getTitleIgnorePrefix(title),
+        author: typeof payload.metadata.author === 'string' ? payload.metadata.author : null,
+        releaseDate: typeof payload.metadata.releaseDate === 'string' ? payload.metadata.releaseDate : null,
+        feedURL: typeof payload.metadata.feedUrl === 'string' ? payload.metadata.feedUrl : null,
+        imageURL: typeof payload.metadata.imageUrl === 'string' ? payload.metadata.imageUrl : null,
+        description: typeof payload.metadata.description === 'string' ? payload.metadata.description : null,
+        itunesPageURL: typeof payload.metadata.itunesPageUrl === 'string' ? payload.metadata.itunesPageUrl : null,
+        itunesId: typeof payload.metadata.itunesId === 'string' ? payload.metadata.itunesId : null,
+        itunesArtistId: typeof payload.metadata.itunesArtistId === 'string' ? payload.metadata.itunesArtistId : null,
+        language: typeof payload.metadata.language === 'string' ? payload.metadata.language : null,
+        podcastType: typeof payload.metadata.type === 'string' ? payload.metadata.type : null,
+        explicit: !!payload.metadata.explicit,
+        autoDownloadEpisodes: !!payload.autoDownloadEpisodes,
+        autoDownloadSchedule: autoDownloadSchedule || global.ServerSettings.podcastEpisodeSchedule,
+        lastEpisodeCheck: new Date(),
+        maxEpisodesToKeep: 0,
+        maxNewEpisodesToDownload: 3,
+        tags,
+        genres
+      },
+      { transaction }
+    )
   }
 
   /**
@@ -179,6 +206,311 @@ class Podcast extends Model {
       }
     )
   }
+
+  get hasMediaFiles() {
+    return !!this.podcastEpisodes?.length
+  }
+
+  get hasAudioTracks() {
+    return this.hasMediaFiles
+  }
+
+  get size() {
+    if (!this.podcastEpisodes?.length) return 0
+    return this.podcastEpisodes.reduce((total, episode) => total + episode.size, 0)
+  }
+
+  getAbsMetadataJson() {
+    return {
+      tags: this.tags || [],
+      title: this.title,
+      author: this.author,
+      description: this.description,
+      releaseDate: this.releaseDate,
+      genres: this.genres || [],
+      feedURL: this.feedURL,
+      imageURL: this.imageURL,
+      itunesPageURL: this.itunesPageURL,
+      itunesId: this.itunesId,
+      itunesArtistId: this.itunesArtistId,
+      language: this.language,
+      explicit: !!this.explicit,
+      podcastType: this.podcastType
+    }
+  }
+
+  /**
+   *
+   * @param {Object} payload - Old podcast object
+   * @returns {Promise<boolean>}
+   */
+  async updateFromRequest(payload) {
+    if (!payload) return false
+
+    let hasUpdates = false
+
+    if (payload.metadata) {
+      const stringKeys = ['title', 'author', 'releaseDate', 'feedUrl', 'imageUrl', 'description', 'itunesPageUrl', 'itunesId', 'itunesArtistId', 'language', 'type']
+      stringKeys.forEach((key) => {
+        let newKey = key
+        if (key === 'type') {
+          newKey = 'podcastType'
+        } else if (key === 'feedUrl') {
+          newKey = 'feedURL'
+        } else if (key === 'imageUrl') {
+          newKey = 'imageURL'
+        } else if (key === 'itunesPageUrl') {
+          newKey = 'itunesPageURL'
+        }
+        if (typeof payload.metadata[key] === 'string' && payload.metadata[key] !== this[newKey]) {
+          this[newKey] = payload.metadata[key]
+          if (key === 'title') {
+            this.titleIgnorePrefix = getTitleIgnorePrefix(this.title)
+          }
+
+          hasUpdates = true
+        }
+      })
+
+      if (payload.metadata.explicit !== undefined && payload.metadata.explicit !== this.explicit) {
+        this.explicit = !!payload.metadata.explicit
+        hasUpdates = true
+      }
+
+      if (Array.isArray(payload.metadata.genres) && !payload.metadata.genres.some((item) => typeof item !== 'string') && JSON.stringify(this.genres) !== JSON.stringify(payload.metadata.genres)) {
+        this.genres = payload.metadata.genres
+        this.changed('genres', true)
+        hasUpdates = true
+      }
+    }
+
+    if (Array.isArray(payload.tags) && !payload.tags.some((item) => typeof item !== 'string') && JSON.stringify(this.tags) !== JSON.stringify(payload.tags)) {
+      this.tags = payload.tags
+      this.changed('tags', true)
+      hasUpdates = true
+    }
+
+    if (payload.autoDownloadEpisodes !== undefined && payload.autoDownloadEpisodes !== this.autoDownloadEpisodes) {
+      this.autoDownloadEpisodes = !!payload.autoDownloadEpisodes
+      hasUpdates = true
+    }
+    if (typeof payload.autoDownloadSchedule === 'string' && payload.autoDownloadSchedule !== this.autoDownloadSchedule) {
+      this.autoDownloadSchedule = payload.autoDownloadSchedule
+      hasUpdates = true
+    }
+    if (typeof payload.lastEpisodeCheck === 'number' && payload.lastEpisodeCheck !== this.lastEpisodeCheck?.valueOf()) {
+      this.lastEpisodeCheck = payload.lastEpisodeCheck
+      hasUpdates = true
+    }
+
+    const numberKeys = ['maxEpisodesToKeep', 'maxNewEpisodesToDownload']
+    numberKeys.forEach((key) => {
+      if (typeof payload[key] === 'number' && payload[key] !== this[key]) {
+        this[key] = payload[key]
+        hasUpdates = true
+      }
+    })
+
+    if (hasUpdates) {
+      Logger.debug(`[Podcast] changed keys:`, this.changed())
+      await this.save()
+    }
+
+    return hasUpdates
+  }
+
+  checkCanDirectPlay(supportedMimeTypes, episodeId) {
+    if (!Array.isArray(supportedMimeTypes)) {
+      Logger.error(`[Podcast] checkCanDirectPlay: supportedMimeTypes is not an array`, supportedMimeTypes)
+      return false
+    }
+    const episode = this.podcastEpisodes.find((ep) => ep.id === episodeId)
+    if (!episode) {
+      Logger.error(`[Podcast] checkCanDirectPlay: episode not found`, episodeId)
+      return false
+    }
+    return supportedMimeTypes.includes(episode.audioFile.mimeType)
+  }
+
+  /**
+   * Get the track list to be used in client audio players
+   * AudioTrack is the AudioFile with startOffset and contentUrl
+   * Podcast episodes only have one track
+   *
+   * @param {string} libraryItemId
+   * @param {string} episodeId
+   * @returns {import('./Book').AudioTrack[]}
+   */
+  getTracklist(libraryItemId, episodeId) {
+    const episode = this.podcastEpisodes.find((ep) => ep.id === episodeId)
+    if (!episode) {
+      Logger.error(`[Podcast] getTracklist: episode not found`, episodeId)
+      return []
+    }
+
+    const audioTrack = episode.getAudioTrack(libraryItemId)
+    return [audioTrack]
+  }
+
+  /**
+   *
+   * @param {string} episodeId
+   * @returns {import('./PodcastEpisode').ChapterObject[]}
+   */
+  getChapters(episodeId) {
+    const episode = this.podcastEpisodes.find((ep) => ep.id === episodeId)
+    if (!episode) {
+      Logger.error(`[Podcast] getChapters: episode not found`, episodeId)
+      return []
+    }
+
+    return structuredClone(episode.chapters) || []
+  }
+
+  getPlaybackTitle(episodeId) {
+    const episode = this.podcastEpisodes.find((ep) => ep.id === episodeId)
+    if (!episode) {
+      Logger.error(`[Podcast] getPlaybackTitle: episode not found`, episodeId)
+      return ''
+    }
+
+    return episode.title
+  }
+
+  getPlaybackAuthor() {
+    return this.author
+  }
+
+  getPlaybackDuration(episodeId) {
+    const episode = this.podcastEpisodes.find((ep) => ep.id === episodeId)
+    if (!episode) {
+      Logger.error(`[Podcast] getPlaybackDuration: episode not found`, episodeId)
+      return 0
+    }
+
+    return episode.duration
+  }
+
+  /**
+   *
+   * @returns {number} - Unix timestamp
+   */
+  getLatestEpisodePublishedAt() {
+    return this.podcastEpisodes.reduce((latest, episode) => {
+      if (episode.publishedAt?.valueOf() > latest) {
+        return episode.publishedAt.valueOf()
+      }
+      return latest
+    }, 0)
+  }
+
+  /**
+   * Used for checking if an rss feed episode is already in the podcast
+   *
+   * @param {import('../utils/podcastUtils').RssPodcastEpisode} feedEpisode - object from rss feed
+   * @returns {boolean}
+   */
+  checkHasEpisodeByFeedEpisode(feedEpisode) {
+    const guid = feedEpisode.guid
+    const url = feedEpisode.enclosure.url
+    return this.podcastEpisodes.some((ep) => ep.checkMatchesGuidOrEnclosureUrl(guid, url))
+  }
+
+  /**
+   * Old model kept metadata in a separate object
+   */
+  oldMetadataToJSON() {
+    return {
+      title: this.title,
+      author: this.author,
+      description: this.description,
+      releaseDate: this.releaseDate,
+      genres: [...(this.genres || [])],
+      feedUrl: this.feedURL,
+      imageUrl: this.imageURL,
+      itunesPageUrl: this.itunesPageURL,
+      itunesId: this.itunesId,
+      itunesArtistId: this.itunesArtistId,
+      explicit: this.explicit,
+      language: this.language,
+      type: this.podcastType
+    }
+  }
+
+  oldMetadataToJSONExpanded() {
+    const oldMetadataJSON = this.oldMetadataToJSON()
+    oldMetadataJSON.titleIgnorePrefix = getTitlePrefixAtEnd(this.title)
+    return oldMetadataJSON
+  }
+
+  /**
+   * The old model stored episodes with the podcast object
+   *
+   * @param {string} libraryItemId
+   */
+  toOldJSON(libraryItemId) {
+    if (!libraryItemId) {
+      throw new Error(`[Podcast] Cannot convert to old JSON because libraryItemId is not provided`)
+    }
+    if (!this.podcastEpisodes) {
+      throw new Error(`[Podcast] Cannot convert to old JSON because episodes are not provided`)
+    }
+
+    return {
+      id: this.id,
+      libraryItemId: libraryItemId,
+      metadata: this.oldMetadataToJSON(),
+      coverPath: this.coverPath,
+      tags: [...(this.tags || [])],
+      episodes: this.podcastEpisodes.map((episode) => episode.toOldJSON(libraryItemId)),
+      autoDownloadEpisodes: this.autoDownloadEpisodes,
+      autoDownloadSchedule: this.autoDownloadSchedule,
+      lastEpisodeCheck: this.lastEpisodeCheck?.valueOf() || null,
+      maxEpisodesToKeep: this.maxEpisodesToKeep,
+      maxNewEpisodesToDownload: this.maxNewEpisodesToDownload
+    }
+  }
+
+  toOldJSONMinified() {
+    return {
+      id: this.id,
+      // Minified metadata and expanded metadata are the same
+      metadata: this.oldMetadataToJSONExpanded(),
+      coverPath: this.coverPath,
+      tags: [...(this.tags || [])],
+      numEpisodes: this.podcastEpisodes?.length || 0,
+      autoDownloadEpisodes: this.autoDownloadEpisodes,
+      autoDownloadSchedule: this.autoDownloadSchedule,
+      lastEpisodeCheck: this.lastEpisodeCheck?.valueOf() || null,
+      maxEpisodesToKeep: this.maxEpisodesToKeep,
+      maxNewEpisodesToDownload: this.maxNewEpisodesToDownload,
+      size: this.size
+    }
+  }
+
+  toOldJSONExpanded(libraryItemId) {
+    if (!libraryItemId) {
+      throw new Error(`[Podcast] Cannot convert to old JSON because libraryItemId is not provided`)
+    }
+    if (!this.podcastEpisodes) {
+      throw new Error(`[Podcast] Cannot convert to old JSON because episodes are not provided`)
+    }
+
+    return {
+      id: this.id,
+      libraryItemId: libraryItemId,
+      metadata: this.oldMetadataToJSONExpanded(),
+      coverPath: this.coverPath,
+      tags: [...(this.tags || [])],
+      episodes: this.podcastEpisodes.map((e) => e.toOldJSONExpanded(libraryItemId)),
+      autoDownloadEpisodes: this.autoDownloadEpisodes,
+      autoDownloadSchedule: this.autoDownloadSchedule,
+      lastEpisodeCheck: this.lastEpisodeCheck?.valueOf() || null,
+      maxEpisodesToKeep: this.maxEpisodesToKeep,
+      maxNewEpisodesToDownload: this.maxNewEpisodesToDownload,
+      size: this.size
+    }
+  }
 }
 
 module.exports = Podcast
diff --git a/server/models/PodcastEpisode.js b/server/models/PodcastEpisode.js
index 1f99361a..c1e66fdf 100644
--- a/server/models/PodcastEpisode.js
+++ b/server/models/PodcastEpisode.js
@@ -53,42 +53,6 @@ class PodcastEpisode extends Model {
     this.updatedAt
   }
 
-  /**
-   * @param {string} libraryItemId
-   * @returns {oldPodcastEpisode}
-   */
-  getOldPodcastEpisode(libraryItemId = null) {
-    let enclosure = null
-    if (this.enclosureURL) {
-      enclosure = {
-        url: this.enclosureURL,
-        type: this.enclosureType,
-        length: this.enclosureSize !== null ? String(this.enclosureSize) : null
-      }
-    }
-    return new oldPodcastEpisode({
-      libraryItemId: libraryItemId || null,
-      podcastId: this.podcastId,
-      id: this.id,
-      oldEpisodeId: this.extraData?.oldEpisodeId || null,
-      index: this.index,
-      season: this.season,
-      episode: this.episode,
-      episodeType: this.episodeType,
-      title: this.title,
-      subtitle: this.subtitle,
-      description: this.description,
-      enclosure,
-      guid: this.extraData?.guid || null,
-      pubDate: this.pubDate,
-      chapters: this.chapters,
-      audioFile: this.audioFile,
-      publishedAt: this.publishedAt?.valueOf() || null,
-      addedAt: this.createdAt.valueOf(),
-      updatedAt: this.updatedAt.valueOf()
-    })
-  }
-
   static createFromOld(oldEpisode) {
     const podcastEpisode = this.getFromOld(oldEpisode)
     return this.create(podcastEpisode)
@@ -123,6 +87,40 @@ class PodcastEpisode extends Model {
     }
   }
 
+  /**
+   *
+   * @param {import('../utils/podcastUtils').RssPodcastEpisode} rssPodcastEpisode
+   * @param {string} podcastId
+   * @param {import('../objects/files/AudioFile')} audioFile
+   */
+  static async createFromRssPodcastEpisode(rssPodcastEpisode, podcastId, audioFile) {
+    const podcastEpisode = {
+      index: null,
+      season: rssPodcastEpisode.season,
+      episode: rssPodcastEpisode.episode,
+      episodeType: rssPodcastEpisode.episodeType,
+      title: rssPodcastEpisode.title,
+      subtitle: rssPodcastEpisode.subtitle,
+      description: rssPodcastEpisode.description,
+      pubDate: rssPodcastEpisode.pubDate,
+      enclosureURL: rssPodcastEpisode.enclosure?.url || null,
+      enclosureSize: rssPodcastEpisode.enclosure?.length || null,
+      enclosureType: rssPodcastEpisode.enclosure?.type || null,
+      publishedAt: rssPodcastEpisode.publishedAt,
+      podcastId,
+      audioFile: audioFile.toJSON(),
+      chapters: [],
+      extraData: {}
+    }
+    if (rssPodcastEpisode.guid) {
+      podcastEpisode.extraData.guid = rssPodcastEpisode.guid
+    }
+    if (audioFile.chapters?.length) {
+      podcastEpisode.chapters = audioFile.chapters.map((ch) => ({ ...ch }))
+    }
+    return this.create(podcastEpisode)
+  }
+
   /**
    * Initialize model
    * @param {import('../Database').sequelize} sequelize
@@ -170,6 +168,128 @@ class PodcastEpisode extends Model {
     })
     PodcastEpisode.belongsTo(podcast)
   }
+
+  get size() {
+    return this.audioFile?.metadata.size || 0
+  }
+
+  get duration() {
+    return this.audioFile?.duration || 0
+  }
+
+  /**
+   * Used for matching the episode with an episode in the RSS feed
+   *
+   * @param {string} guid
+   * @param {string} enclosureURL
+   * @returns {boolean}
+   */
+  checkMatchesGuidOrEnclosureUrl(guid, enclosureURL) {
+    if (this.extraData?.guid && this.extraData.guid === guid) {
+      return true
+    }
+    if (this.enclosureURL && this.enclosureURL === enclosureURL) {
+      return true
+    }
+    return false
+  }
+
+  /**
+   * Used in client players
+   *
+   * @param {string} libraryItemId
+   * @returns {import('./Book').AudioTrack}
+   */
+  getAudioTrack(libraryItemId) {
+    const track = structuredClone(this.audioFile)
+    track.startOffset = 0
+    track.title = this.audioFile.metadata.title
+    track.contentUrl = `${global.RouterBasePath}/api/items/${libraryItemId}/file/${track.ino}`
+    return track
+  }
+
+  /**
+   * @param {string} libraryItemId
+   * @returns {oldPodcastEpisode}
+   */
+  getOldPodcastEpisode(libraryItemId = null) {
+    let enclosure = null
+    if (this.enclosureURL) {
+      enclosure = {
+        url: this.enclosureURL,
+        type: this.enclosureType,
+        length: this.enclosureSize !== null ? String(this.enclosureSize) : null
+      }
+    }
+    return new oldPodcastEpisode({
+      libraryItemId: libraryItemId || null,
+      podcastId: this.podcastId,
+      id: this.id,
+      oldEpisodeId: this.extraData?.oldEpisodeId || null,
+      index: this.index,
+      season: this.season,
+      episode: this.episode,
+      episodeType: this.episodeType,
+      title: this.title,
+      subtitle: this.subtitle,
+      description: this.description,
+      enclosure,
+      guid: this.extraData?.guid || null,
+      pubDate: this.pubDate,
+      chapters: this.chapters,
+      audioFile: this.audioFile,
+      publishedAt: this.publishedAt?.valueOf() || null,
+      addedAt: this.createdAt.valueOf(),
+      updatedAt: this.updatedAt.valueOf()
+    })
+  }
+
+  toOldJSON(libraryItemId) {
+    if (!libraryItemId) {
+      throw new Error(`[PodcastEpisode] Cannot convert to old JSON because libraryItemId is not provided`)
+    }
+
+    let enclosure = null
+    if (this.enclosureURL) {
+      enclosure = {
+        url: this.enclosureURL,
+        type: this.enclosureType,
+        length: this.enclosureSize !== null ? String(this.enclosureSize) : null
+      }
+    }
+
+    return {
+      libraryItemId: libraryItemId,
+      podcastId: this.podcastId,
+      id: this.id,
+      oldEpisodeId: this.extraData?.oldEpisodeId || null,
+      index: this.index,
+      season: this.season,
+      episode: this.episode,
+      episodeType: this.episodeType,
+      title: this.title,
+      subtitle: this.subtitle,
+      description: this.description,
+      enclosure,
+      guid: this.extraData?.guid || null,
+      pubDate: this.pubDate,
+      chapters: structuredClone(this.chapters),
+      audioFile: structuredClone(this.audioFile),
+      publishedAt: this.publishedAt?.valueOf() || null,
+      addedAt: this.createdAt.valueOf(),
+      updatedAt: this.updatedAt.valueOf()
+    }
+  }
+
+  toOldJSONExpanded(libraryItemId) {
+    const json = this.toOldJSON(libraryItemId)
+
+    json.audioTrack = this.getAudioTrack(libraryItemId)
+    json.size = this.size
+    json.duration = this.duration
+
+    return json
+  }
 }
 
 module.exports = PodcastEpisode
diff --git a/server/objects/Collection.js b/server/objects/Collection.js
deleted file mode 100644
index 970d714b..00000000
--- a/server/objects/Collection.js
+++ /dev/null
@@ -1,115 +0,0 @@
-const uuidv4 = require("uuid").v4
-
-class Collection {
-  constructor(collection) {
-    this.id = null
-    this.libraryId = null
-
-    this.name = null
-    this.description = null
-
-    this.cover = null
-    this.coverFullPath = null
-    this.books = []
-
-    this.lastUpdate = null
-    this.createdAt = null
-
-    if (collection) {
-      this.construct(collection)
-    }
-  }
-
-  toJSON() {
-    return {
-      id: this.id,
-      libraryId: this.libraryId,
-      name: this.name,
-      description: this.description,
-      cover: this.cover,
-      coverFullPath: this.coverFullPath,
-      books: [...this.books],
-      lastUpdate: this.lastUpdate,
-      createdAt: this.createdAt
-    }
-  }
-
-  toJSONExpanded(libraryItems, minifiedBooks = false) {
-    const json = this.toJSON()
-    json.books = json.books.map(bookId => {
-      const book = libraryItems.find(li => li.id === bookId)
-      return book ? minifiedBooks ? book.toJSONMinified() : book.toJSONExpanded() : null
-    }).filter(b => !!b)
-    return json
-  }
-
-  // Expanded and filtered out items not accessible to user
-  toJSONExpandedForUser(user, libraryItems) {
-    const json = this.toJSON()
-    json.books = json.books.map(libraryItemId => {
-      const libraryItem = libraryItems.find(li => li.id === libraryItemId)
-      return libraryItem ? libraryItem.toJSONExpanded() : null
-    }).filter(li => {
-      return li && user.checkCanAccessLibraryItem(li)
-    })
-    return json
-  }
-
-  construct(collection) {
-    this.id = collection.id
-    this.libraryId = collection.libraryId
-    this.name = collection.name
-    this.description = collection.description || null
-    this.cover = collection.cover || null
-    this.coverFullPath = collection.coverFullPath || null
-    this.books = collection.books ? [...collection.books] : []
-    this.lastUpdate = collection.lastUpdate || null
-    this.createdAt = collection.createdAt || null
-  }
-
-  setData(data) {
-    if (!data.libraryId || !data.name) {
-      return false
-    }
-    this.id = uuidv4()
-    this.libraryId = data.libraryId
-    this.name = data.name
-    this.description = data.description || null
-    this.cover = data.cover || null
-    this.coverFullPath = data.coverFullPath || null
-    this.books = data.books ? [...data.books] : []
-    this.lastUpdate = Date.now()
-    this.createdAt = Date.now()
-    return true
-  }
-
-  addBook(bookId) {
-    this.books.push(bookId)
-    this.lastUpdate = Date.now()
-  }
-
-  removeBook(bookId) {
-    this.books = this.books.filter(bid => bid !== bookId)
-    this.lastUpdate = Date.now()
-  }
-
-  update(payload) {
-    let hasUpdates = false
-    for (const key in payload) {
-      if (key === 'books') {
-        if (payload.books && this.books.join(',') !== payload.books.join(',')) {
-          this.books = [...payload.books]
-          hasUpdates = true
-        }
-      } else if (this[key] !== undefined && this[key] !== payload[key]) {
-        hasUpdates = true
-        this[key] = payload[key]
-      }
-    }
-    if (hasUpdates) {
-      this.lastUpdate = Date.now()
-    }
-    return hasUpdates
-  }
-}
-module.exports = Collection
\ No newline at end of file
diff --git a/server/objects/LibraryItem.js b/server/objects/LibraryItem.js
index 84a37897..d955356e 100644
--- a/server/objects/LibraryItem.js
+++ b/server/objects/LibraryItem.js
@@ -1,4 +1,3 @@
-const uuidv4 = require('uuid').v4
 const fs = require('../libs/fsExtra')
 const Path = require('path')
 const Logger = require('../Logger')
@@ -177,48 +176,6 @@ class LibraryItem {
   get hasAudioFiles() {
     return this.libraryFiles.some((lf) => lf.fileType === 'audio')
   }
-  get hasMediaEntities() {
-    return this.media.hasMediaEntities
-  }
-
-  // Data comes from scandir library item data
-  // TODO: Remove this function. Only used when creating a new podcast now
-  setData(libraryMediaType, payload) {
-    this.id = uuidv4()
-    this.mediaType = libraryMediaType
-    if (libraryMediaType === 'podcast') {
-      this.media = new Podcast()
-    } else {
-      Logger.error(`[LibraryItem] setData called with unsupported media type "${libraryMediaType}"`)
-      return
-    }
-    this.media.id = uuidv4()
-    this.media.libraryItemId = this.id
-
-    for (const key in payload) {
-      if (key === 'libraryFiles') {
-        this.libraryFiles = payload.libraryFiles.map((lf) => lf.clone())
-
-        // Set cover image
-        const imageFiles = this.libraryFiles.filter((lf) => lf.fileType === 'image')
-        const coverMatch = imageFiles.find((iFile) => /\/cover\.[^.\/]*$/.test(iFile.metadata.path))
-        if (coverMatch) {
-          this.media.coverPath = coverMatch.metadata.path
-        } else if (imageFiles.length) {
-          this.media.coverPath = imageFiles[0].metadata.path
-        }
-      } else if (this[key] !== undefined && key !== 'media') {
-        this[key] = payload[key]
-      }
-    }
-
-    if (payload.media) {
-      this.media.setData(payload.media)
-    }
-
-    this.addedAt = Date.now()
-    this.updatedAt = Date.now()
-  }
 
   update(payload) {
     const json = this.toJSON()
@@ -252,10 +209,6 @@ class LibraryItem {
     this.updatedAt = Date.now()
   }
 
-  getDirectPlayTracklist(episodeId) {
-    return this.media.getDirectPlayTracklist(episodeId)
-  }
-
   /**
    * Save metadata.json file
    * TODO: Move to new LibraryItem model
@@ -316,31 +269,5 @@ class LibraryItem {
         this.isSavingMetadata = false
       })
   }
-
-  removeLibraryFile(ino) {
-    if (!ino) return false
-    const libraryFile = this.libraryFiles.find((lf) => lf.ino === ino)
-    if (libraryFile) {
-      this.libraryFiles = this.libraryFiles.filter((lf) => lf.ino !== ino)
-      this.updatedAt = Date.now()
-      return true
-    }
-    return false
-  }
-
-  /**
-   * Set the EBookFile from a LibraryFile
-   * If null then ebookFile will be removed from the book
-   * all ebook library files that are not primary are marked as supplementary
-   *
-   * @param {LibraryFile} [libraryFile]
-   */
-  setPrimaryEbook(ebookLibraryFile = null) {
-    const ebookLibraryFiles = this.libraryFiles.filter((lf) => lf.isEBookFile)
-    for (const libraryFile of ebookLibraryFiles) {
-      libraryFile.isSupplementary = ebookLibraryFile?.ino !== libraryFile.ino
-    }
-    this.media.setEbookFile(ebookLibraryFile)
-  }
 }
 module.exports = LibraryItem
diff --git a/server/objects/PlaybackSession.js b/server/objects/PlaybackSession.js
index 6950a544..ba031b66 100644
--- a/server/objects/PlaybackSession.js
+++ b/server/objects/PlaybackSession.js
@@ -1,8 +1,6 @@
 const date = require('../libs/dateAndTime')
 const uuidv4 = require('uuid').v4
 const serverVersion = require('../../package.json').version
-const BookMetadata = require('./metadata/BookMetadata')
-const PodcastMetadata = require('./metadata/PodcastMetadata')
 const DeviceInfo = require('./DeviceInfo')
 
 class PlaybackSession {
@@ -60,7 +58,7 @@ class PlaybackSession {
       bookId: this.bookId,
       episodeId: this.episodeId,
       mediaType: this.mediaType,
-      mediaMetadata: this.mediaMetadata?.toJSON() || null,
+      mediaMetadata: structuredClone(this.mediaMetadata),
       chapters: (this.chapters || []).map((c) => ({ ...c })),
       displayTitle: this.displayTitle,
       displayAuthor: this.displayAuthor,
@@ -82,7 +80,7 @@ class PlaybackSession {
 
   /**
    * Session data to send to clients
-   * @param {Object} [libraryItem] - old library item
+   * @param {import('../models/LibraryItem')} [libraryItem]
    * @returns
    */
   toJSONForClient(libraryItem) {
@@ -94,7 +92,7 @@ class PlaybackSession {
       bookId: this.bookId,
       episodeId: this.episodeId,
       mediaType: this.mediaType,
-      mediaMetadata: this.mediaMetadata?.toJSON() || null,
+      mediaMetadata: structuredClone(this.mediaMetadata),
       chapters: (this.chapters || []).map((c) => ({ ...c })),
       displayTitle: this.displayTitle,
       displayAuthor: this.displayAuthor,
@@ -112,7 +110,7 @@ class PlaybackSession {
       startedAt: this.startedAt,
       updatedAt: this.updatedAt,
       audioTracks: this.audioTracks.map((at) => at.toJSON?.() || { ...at }),
-      libraryItem: libraryItem?.toJSONExpanded() || null
+      libraryItem: libraryItem?.toOldJSONExpanded() || null
     }
   }
 
@@ -148,14 +146,7 @@ class PlaybackSession {
     this.serverVersion = session.serverVersion
     this.chapters = session.chapters || []
 
-    this.mediaMetadata = null
-    if (session.mediaMetadata) {
-      if (this.mediaType === 'book') {
-        this.mediaMetadata = new BookMetadata(session.mediaMetadata)
-      } else if (this.mediaType === 'podcast') {
-        this.mediaMetadata = new PodcastMetadata(session.mediaMetadata)
-      }
-    }
+    this.mediaMetadata = session.mediaMetadata
     this.displayTitle = session.displayTitle || ''
     this.displayAuthor = session.displayAuthor || ''
     this.coverPath = session.coverPath
@@ -205,6 +196,15 @@ class PlaybackSession {
     }
   }
 
+  /**
+   *
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @param {*} userId
+   * @param {*} mediaPlayer
+   * @param {*} deviceInfo
+   * @param {*} startTime
+   * @param {*} episodeId
+   */
   setData(libraryItem, userId, mediaPlayer, deviceInfo, startTime, episodeId = null) {
     this.id = uuidv4()
     this.userId = userId
@@ -213,13 +213,12 @@ class PlaybackSession {
     this.bookId = episodeId ? null : libraryItem.media.id
     this.episodeId = episodeId
     this.mediaType = libraryItem.mediaType
-    this.mediaMetadata = libraryItem.media.metadata.clone()
+    this.mediaMetadata = libraryItem.media.oldMetadataToJSON()
     this.chapters = libraryItem.media.getChapters(episodeId)
     this.displayTitle = libraryItem.media.getPlaybackTitle(episodeId)
     this.displayAuthor = libraryItem.media.getPlaybackAuthor()
     this.coverPath = libraryItem.media.coverPath
-
-    this.setDuration(libraryItem, episodeId)
+    this.duration = libraryItem.media.getPlaybackDuration(episodeId)
 
     this.mediaPlayer = mediaPlayer
     this.deviceInfo = deviceInfo || new DeviceInfo()
@@ -235,14 +234,6 @@ class PlaybackSession {
     this.updatedAt = Date.now()
   }
 
-  setDuration(libraryItem, episodeId) {
-    if (episodeId) {
-      this.duration = libraryItem.media.getEpisodeDuration(episodeId)
-    } else {
-      this.duration = libraryItem.media.duration
-    }
-  }
-
   addListeningTime(timeListened) {
     if (!timeListened || isNaN(timeListened)) return
 
diff --git a/server/objects/Playlist.js b/server/objects/Playlist.js
deleted file mode 100644
index c4b3357b..00000000
--- a/server/objects/Playlist.js
+++ /dev/null
@@ -1,148 +0,0 @@
-const uuidv4 = require("uuid").v4
-
-class Playlist {
-  constructor(playlist) {
-    this.id = null
-    this.libraryId = null
-    this.userId = null
-
-    this.name = null
-    this.description = null
-
-    this.coverPath = null
-
-    // Array of objects like { libraryItemId: "", episodeId: "" } (episodeId optional)
-    this.items = []
-
-    this.lastUpdate = null
-    this.createdAt = null
-
-    if (playlist) {
-      this.construct(playlist)
-    }
-  }
-
-  toJSON() {
-    return {
-      id: this.id,
-      libraryId: this.libraryId,
-      userId: this.userId,
-      name: this.name,
-      description: this.description,
-      coverPath: this.coverPath,
-      items: [...this.items],
-      lastUpdate: this.lastUpdate,
-      createdAt: this.createdAt
-    }
-  }
-
-  // Expands the items array
-  toJSONExpanded(libraryItems) {
-    var json = this.toJSON()
-    json.items = json.items.map(item => {
-      const libraryItem = libraryItems.find(li => li.id === item.libraryItemId)
-      if (!libraryItem) {
-        // Not found
-        return null
-      }
-      if (item.episodeId) {
-        if (!libraryItem.isPodcast) {
-          // Invalid
-          return null
-        }
-        const episode = libraryItem.media.episodes.find(ep => ep.id === item.episodeId)
-        if (!episode) {
-          // Not found
-          return null
-        }
-
-        return {
-          ...item,
-          episode: episode.toJSONExpanded(),
-          libraryItem: libraryItem.toJSONMinified()
-        }
-      } else {
-        return {
-          ...item,
-          libraryItem: libraryItem.toJSONExpanded()
-        }
-      }
-    }).filter(i => i)
-    return json
-  }
-
-  construct(playlist) {
-    this.id = playlist.id
-    this.libraryId = playlist.libraryId
-    this.userId = playlist.userId
-    this.name = playlist.name
-    this.description = playlist.description || null
-    this.coverPath = playlist.coverPath || null
-    this.items = playlist.items ? playlist.items.map(i => ({ ...i })) : []
-    this.lastUpdate = playlist.lastUpdate || null
-    this.createdAt = playlist.createdAt || null
-  }
-
-  setData(data) {
-    if (!data.userId || !data.libraryId || !data.name) {
-      return false
-    }
-    this.id = uuidv4()
-    this.userId = data.userId
-    this.libraryId = data.libraryId
-    this.name = data.name
-    this.description = data.description || null
-    this.coverPath = data.coverPath || null
-    this.items = data.items ? data.items.map(i => ({ ...i })) : []
-    this.lastUpdate = Date.now()
-    this.createdAt = Date.now()
-    return true
-  }
-
-  addItem(libraryItemId, episodeId = null) {
-    this.items.push({
-      libraryItemId,
-      episodeId: episodeId || null
-    })
-    this.lastUpdate = Date.now()
-  }
-
-  removeItem(libraryItemId, episodeId = null) {
-    if (episodeId) this.items = this.items.filter(i => i.libraryItemId !== libraryItemId || i.episodeId !== episodeId)
-    else this.items = this.items.filter(i => i.libraryItemId !== libraryItemId)
-    this.lastUpdate = Date.now()
-  }
-
-  update(payload) {
-    let hasUpdates = false
-    for (const key in payload) {
-      if (key === 'items') {
-        if (payload.items && JSON.stringify(payload.items) !== JSON.stringify(this.items)) {
-          this.items = payload.items.map(i => ({ ...i }))
-          hasUpdates = true
-        }
-      } else if (this[key] !== undefined && this[key] !== payload[key]) {
-        hasUpdates = true
-        this[key] = payload[key]
-      }
-    }
-    if (hasUpdates) {
-      this.lastUpdate = Date.now()
-    }
-    return hasUpdates
-  }
-
-  containsItem(item) {
-    if (item.episodeId) return this.items.some(i => i.libraryItemId === item.libraryItemId && i.episodeId === item.episodeId)
-    return this.items.some(i => i.libraryItemId === item.libraryItemId)
-  }
-
-  hasItemsForLibraryItem(libraryItemId) {
-    return this.items.some(i => i.libraryItemId === libraryItemId)
-  }
-
-  removeItemsForLibraryItem(libraryItemId) {
-    this.items = this.items.filter(i => i.libraryItemId !== libraryItemId)
-  }
-}
-module.exports = Playlist
\ No newline at end of file
diff --git a/server/objects/PodcastEpisodeDownload.js b/server/objects/PodcastEpisodeDownload.js
index eb9f059a..ffdad9f0 100644
--- a/server/objects/PodcastEpisodeDownload.js
+++ b/server/objects/PodcastEpisodeDownload.js
@@ -6,8 +6,11 @@ const globals = require('../utils/globals')
 class PodcastEpisodeDownload {
   constructor() {
     this.id = null
-    this.podcastEpisode = null
+    /** @type {import('../utils/podcastUtils').RssPodcastEpisode} */
+    this.rssPodcastEpisode = null
+
     this.url = null
+    /** @type {import('../models/LibraryItem')} */
     this.libraryItem = null
     this.libraryId = null
 
@@ -15,7 +18,7 @@ class PodcastEpisodeDownload {
     this.isFinished = false
     this.failed = false
 
-    this.appendEpisodeId = false
+    this.appendRandomId = false
 
     this.startedAt = null
     this.createdAt = null
@@ -25,22 +28,22 @@ class PodcastEpisodeDownload {
   toJSONForClient() {
     return {
       id: this.id,
-      episodeDisplayTitle: this.podcastEpisode?.title ?? null,
+      episodeDisplayTitle: this.rssPodcastEpisode?.title ?? null,
       url: this.url,
-      libraryItemId: this.libraryItem?.id || null,
+      libraryItemId: this.libraryItemId,
       libraryId: this.libraryId || null,
       isFinished: this.isFinished,
       failed: this.failed,
-      appendEpisodeId: this.appendEpisodeId,
+      appendRandomId: this.appendRandomId,
       startedAt: this.startedAt,
       createdAt: this.createdAt,
       finishedAt: this.finishedAt,
-      podcastTitle: this.libraryItem?.media.metadata.title ?? null,
-      podcastExplicit: !!this.libraryItem?.media.metadata.explicit,
-      season: this.podcastEpisode?.season ?? null,
-      episode: this.podcastEpisode?.episode ?? null,
-      episodeType: this.podcastEpisode?.episodeType ?? 'full',
-      publishedAt: this.podcastEpisode?.publishedAt ?? null
+      podcastTitle: this.libraryItem?.media.title ?? null,
+      podcastExplicit: !!this.libraryItem?.media.explicit,
+      season: this.rssPodcastEpisode?.season ?? null,
+      episode: this.rssPodcastEpisode?.episode ?? null,
+      episodeType: this.rssPodcastEpisode?.episodeType ?? 'full',
+      publishedAt: this.rssPodcastEpisode?.publishedAt ?? null
     }
   }
 
@@ -54,7 +57,7 @@ class PodcastEpisodeDownload {
     return 'mp3'
   }
   get enclosureType() {
-    const enclosureType = this.podcastEpisode?.enclosure?.type
+    const enclosureType = this.rssPodcastEpisode.enclosure.type
     return typeof enclosureType === 'string' ? enclosureType : null
   }
   /**
@@ -67,10 +70,12 @@ class PodcastEpisodeDownload {
     if (this.enclosureType && !this.enclosureType.includes('mpeg')) return false
     return this.fileExtension === 'mp3'
   }
-
+  get episodeTitle() {
+    return this.rssPodcastEpisode.title
+  }
   get targetFilename() {
-    const appendage = this.appendEpisodeId ? ` (${this.podcastEpisode.id})` : ''
-    const filename = `${this.podcastEpisode.title}${appendage}.${this.fileExtension}`
+    const appendage = this.appendRandomId ? ` (${uuidv4()})` : ''
+    const filename = `${this.rssPodcastEpisode.title}${appendage}.${this.fileExtension}`
     return sanitizeFilename(filename)
   }
   get targetPath() {
@@ -80,14 +85,25 @@ class PodcastEpisodeDownload {
     return this.targetFilename
   }
   get libraryItemId() {
-    return this.libraryItem ? this.libraryItem.id : null
+    return this.libraryItem?.id || null
+  }
+  get pubYear() {
+    if (!this.rssPodcastEpisode.publishedAt) return null
+    return new Date(this.rssPodcastEpisode.publishedAt).getFullYear()
   }
 
-  setData(podcastEpisode, libraryItem, isAutoDownload, libraryId) {
+  /**
+   *
+   * @param {import('../utils/podcastUtils').RssPodcastEpisode} rssPodcastEpisode - from rss feed
+   * @param {import('../models/LibraryItem')} libraryItem
+   * @param {*} isAutoDownload
+   * @param {*} libraryId
+   */
+  setData(rssPodcastEpisode, libraryItem, isAutoDownload, libraryId) {
     this.id = uuidv4()
-    this.podcastEpisode = podcastEpisode
+    this.rssPodcastEpisode = rssPodcastEpisode
 
-    const url = podcastEpisode.enclosure.url
+    const url = rssPodcastEpisode.enclosure.url
     if (decodeURIComponent(url) !== url) {
       // Already encoded
       this.url = url
diff --git a/server/objects/Stream.js b/server/objects/Stream.js
index 2ab6f503..813ecf14 100644
--- a/server/objects/Stream.js
+++ b/server/objects/Stream.js
@@ -18,6 +18,7 @@ class Stream extends EventEmitter {
 
     this.id = sessionId
     this.user = user
+    /** @type {import('../models/LibraryItem')} */
     this.libraryItem = libraryItem
     this.episodeId = episodeId
 
@@ -40,31 +41,25 @@ class Stream extends EventEmitter {
     this.furthestSegmentCreated = 0
   }
 
-  get isPodcast() {
-    return this.libraryItem.mediaType === 'podcast'
-  }
+  /**
+   * @returns {import('../models/PodcastEpisode') | null}
+   */
   get episode() {
-    if (!this.isPodcast) return null
-    return this.libraryItem.media.episodes.find((ep) => ep.id === this.episodeId)
-  }
-  get libraryItemId() {
-    return this.libraryItem.id
+    if (!this.libraryItem.isPodcast) return null
+    return this.libraryItem.media.podcastEpisodes.find((ep) => ep.id === this.episodeId)
   }
   get mediaTitle() {
-    if (this.episode) return this.episode.title || ''
-    return this.libraryItem.media.metadata.title || ''
+    return this.libraryItem.media.getPlaybackTitle(this.episodeId)
   }
   get totalDuration() {
-    if (this.episode) return this.episode.duration
-    return this.libraryItem.media.duration
+    return this.libraryItem.media.getPlaybackDuration(this.episodeId)
   }
   get tracks() {
-    if (this.episode) return this.episode.tracks
-    return this.libraryItem.media.tracks
+    return this.libraryItem.getTrackList(this.episodeId)
   }
   get tracksAudioFileType() {
     if (!this.tracks.length) return null
-    return this.tracks[0].metadata.format
+    return this.tracks[0].metadata.ext.slice(1)
   }
   get tracksMimeType() {
     if (!this.tracks.length) return null
@@ -116,8 +111,8 @@ class Stream extends EventEmitter {
     return {
       id: this.id,
       userId: this.user.id,
-      libraryItem: this.libraryItem.toJSONExpanded(),
-      episode: this.episode ? this.episode.toJSONExpanded() : null,
+      libraryItem: this.libraryItem.toOldJSONExpanded(),
+      episode: this.episode ? this.episode.toOldJSONExpanded(this.libraryItem.id) : null,
       segmentLength: this.segmentLength,
       playlistPath: this.playlistPath,
       clientPlaylistUri: this.clientPlaylistUri,
@@ -280,15 +275,15 @@ class Stream extends EventEmitter {
 
     this.ffmpeg.addOption([`-loglevel ${logLevel}`, '-map 0:a', `-c:a ${audioCodec}`])
     const hlsOptions = ['-f hls', '-copyts', '-avoid_negative_ts make_non_negative', '-max_delay 5000000', '-max_muxing_queue_size 2048', `-hls_time 6`, `-hls_segment_type ${this.hlsSegmentType}`, `-start_number ${this.segmentStartNumber}`, '-hls_playlist_type vod', '-hls_list_size 0', '-hls_allow_cache 0']
+    this.ffmpeg.addOption(hlsOptions)
     if (this.hlsSegmentType === 'fmp4') {
-      hlsOptions.push('-strict -2')
+      this.ffmpeg.addOption('-strict -2')
       var fmp4InitFilename = Path.join(this.streamPath, 'init.mp4')
       // var fmp4InitFilename = 'init.mp4'
-      hlsOptions.push(`-hls_fmp4_init_filename ${fmp4InitFilename}`)
+      this.ffmpeg.addOption('-hls_fmp4_init_filename', fmp4InitFilename)
     }
-    this.ffmpeg.addOption(hlsOptions)
     var segmentFilename = Path.join(this.streamPath, this.segmentBasename)
-    this.ffmpeg.addOption(`-hls_segment_filename ${segmentFilename}`)
+    this.ffmpeg.addOption('-hls_segment_filename', segmentFilename)
     this.ffmpeg.output(this.finalPlaylistPath)
 
     this.ffmpeg.on('start', (command) => {
diff --git a/server/objects/entities/PodcastEpisode.js b/server/objects/entities/PodcastEpisode.js
index 69a9b2f0..6a3f4cf6 100644
--- a/server/objects/entities/PodcastEpisode.js
+++ b/server/objects/entities/PodcastEpisode.js
@@ -1,4 +1,3 @@
-const uuidv4 = require('uuid').v4
 const { areEquivalent, copyValue } = require('../../utils/index')
 const AudioFile = require('../files/AudioFile')
 const AudioTrack = require('../files/AudioTrack')
@@ -127,27 +126,6 @@ class PodcastEpisode {
   get enclosureUrl() {
     return this.enclosure?.url || null
   }
-  get pubYear() {
-    if (!this.publishedAt) return null
-    return new Date(this.publishedAt).getFullYear()
-  }
-
-  setData(data, index = 1) {
-    this.id = uuidv4()
-    this.index = index
-    this.title = data.title
-    this.subtitle = data.subtitle || ''
-    this.pubDate = data.pubDate || ''
-    this.description = data.description || ''
-    this.enclosure = data.enclosure ? { ...data.enclosure } : null
-    this.guid = data.guid || null
-    this.season = data.season || ''
-    this.episode = data.episode || ''
-    this.episodeType = data.episodeType || 'full'
-    this.publishedAt = data.publishedAt || 0
-    this.addedAt = Date.now()
-    this.updatedAt = Date.now()
-  }
 
   update(payload) {
     let hasUpdates = false
@@ -167,20 +145,5 @@ class PodcastEpisode {
     }
     return hasUpdates
   }
-
-  // Only checks container format
-  checkCanDirectPlay(payload) {
-    const supportedMimeTypes = payload.supportedMimeTypes || []
-    return supportedMimeTypes.includes(this.audioFile.mimeType)
-  }
-
-  getDirectPlayTracklist() {
-    return this.tracks
-  }
-
-  checkEqualsEnclosureUrl(url) {
-    if (!this.enclosure?.url) return false
-    return this.enclosure.url == url
-  }
 }
 module.exports = PodcastEpisode
diff --git a/server/objects/mediaTypes/Book.js b/server/objects/mediaTypes/Book.js
index 8fdff988..488c3aac 100644
--- a/server/objects/mediaTypes/Book.js
+++ b/server/objects/mediaTypes/Book.js
@@ -33,8 +33,8 @@ class Book {
     this.metadata = new BookMetadata(book.metadata)
     this.coverPath = book.coverPath
     this.tags = [...book.tags]
-    this.audioFiles = book.audioFiles.map(f => new AudioFile(f))
-    this.chapters = book.chapters.map(c => ({ ...c }))
+    this.audioFiles = book.audioFiles.map((f) => new AudioFile(f))
+    this.chapters = book.chapters.map((c) => ({ ...c }))
     this.ebookFile = book.ebookFile ? new EBookFile(book.ebookFile) : null
     this.lastCoverSearch = book.lastCoverSearch || null
     this.lastCoverSearchQuery = book.lastCoverSearchQuery || null
@@ -47,8 +47,8 @@ class Book {
       metadata: this.metadata.toJSON(),
       coverPath: this.coverPath,
       tags: [...this.tags],
-      audioFiles: this.audioFiles.map(f => f.toJSON()),
-      chapters: this.chapters.map(c => ({ ...c })),
+      audioFiles: this.audioFiles.map((f) => f.toJSON()),
+      chapters: this.chapters.map((c) => ({ ...c })),
       ebookFile: this.ebookFile ? this.ebookFile.toJSON() : null
     }
   }
@@ -75,11 +75,11 @@ class Book {
       metadata: this.metadata.toJSONExpanded(),
       coverPath: this.coverPath,
       tags: [...this.tags],
-      audioFiles: this.audioFiles.map(f => f.toJSON()),
-      chapters: this.chapters.map(c => ({ ...c })),
+      audioFiles: this.audioFiles.map((f) => f.toJSON()),
+      chapters: this.chapters.map((c) => ({ ...c })),
       duration: this.duration,
       size: this.size,
-      tracks: this.tracks.map(t => t.toJSON()),
+      tracks: this.tracks.map((t) => t.toJSON()),
       ebookFile: this.ebookFile?.toJSON() || null
     }
   }
@@ -87,24 +87,21 @@ class Book {
   toJSONForMetadataFile() {
     return {
       tags: [...this.tags],
-      chapters: this.chapters.map(c => ({ ...c })),
+      chapters: this.chapters.map((c) => ({ ...c })),
       ...this.metadata.toJSONForMetadataFile()
     }
   }
 
   get size() {
     var total = 0
-    this.audioFiles.forEach((af) => total += af.metadata.size)
+    this.audioFiles.forEach((af) => (total += af.metadata.size))
     if (this.ebookFile) {
       total += this.ebookFile.metadata.size
     }
     return total
   }
-  get hasMediaEntities() {
-    return !!this.tracks.length || this.ebookFile
-  }
   get includedAudioFiles() {
-    return this.audioFiles.filter(af => !af.exclude)
+    return this.audioFiles.filter((af) => !af.exclude)
   }
   get tracks() {
     let startOffset = 0
@@ -117,7 +114,7 @@ class Book {
   }
   get duration() {
     let total = 0
-    this.tracks.forEach((track) => total += track.duration)
+    this.tracks.forEach((track) => (total += track.duration))
     return total
   }
   get numTracks() {
@@ -129,8 +126,6 @@ class Book {
 
   update(payload) {
     const json = this.toJSON()
-    delete json.audiobooks // do not update media entities here
-    delete json.ebooks
 
     let hasUpdates = false
     for (const key in json) {
@@ -149,126 +144,11 @@ class Book {
     return hasUpdates
   }
 
-  updateChapters(chapters) {
-    var hasUpdates = this.chapters.length !== chapters.length
-    if (hasUpdates) {
-      this.chapters = chapters.map(ch => ({
-        id: ch.id,
-        start: ch.start,
-        end: ch.end,
-        title: ch.title
-      }))
-    } else {
-      for (let i = 0; i < this.chapters.length; i++) {
-        const currChapter = this.chapters[i]
-        const newChapter = chapters[i]
-        if (!hasUpdates && (currChapter.title !== newChapter.title || currChapter.start !== newChapter.start || currChapter.end !== newChapter.end)) {
-          hasUpdates = true
-        }
-        this.chapters[i].title = newChapter.title
-        this.chapters[i].start = newChapter.start
-        this.chapters[i].end = newChapter.end
-      }
-    }
-    return hasUpdates
-  }
-
   updateCover(coverPath) {
     coverPath = filePathToPOSIX(coverPath)
     if (this.coverPath === coverPath) return false
     this.coverPath = coverPath
     return true
   }
-
-  removeFileWithInode(inode) {
-    if (this.audioFiles.some(af => af.ino === inode)) {
-      this.audioFiles = this.audioFiles.filter(af => af.ino !== inode)
-      return true
-    }
-    if (this.ebookFile && this.ebookFile.ino === inode) {
-      this.ebookFile = null
-      return true
-    }
-    return false
-  }
-
-  /**
-   * Get audio file or ebook file from inode
-   * @param {string} inode 
-   * @returns {(AudioFile|EBookFile|null)}
-   */
-  findFileWithInode(inode) {
-    const audioFile = this.audioFiles.find(af => af.ino === inode)
-    if (audioFile) return audioFile
-    if (this.ebookFile && this.ebookFile.ino === inode) return this.ebookFile
-    return null
-  }
-
-  /**
-   * Set the EBookFile from a LibraryFile
-   * If null then ebookFile will be removed from the book
-   * 
-   * @param {LibraryFile} [libraryFile] 
-   */
-  setEbookFile(libraryFile = null) {
-    if (!libraryFile) {
-      this.ebookFile = null
-    } else {
-      const ebookFile = new EBookFile()
-      ebookFile.setData(libraryFile)
-      this.ebookFile = ebookFile
-    }
-  }
-
-  addAudioFile(audioFile) {
-    this.audioFiles.push(audioFile)
-  }
-
-  updateAudioTracks(orderedFileData) {
-    let index = 1
-    this.audioFiles = orderedFileData.map((fileData) => {
-      const audioFile = this.audioFiles.find(af => af.ino === fileData.ino)
-      audioFile.manuallyVerified = true
-      audioFile.error = null
-      if (fileData.exclude !== undefined) {
-        audioFile.exclude = !!fileData.exclude
-      }
-      if (audioFile.exclude) {
-        audioFile.index = -1
-      } else {
-        audioFile.index = index++
-      }
-      return audioFile
-    })
-
-    this.rebuildTracks()
-  }
-
-  rebuildTracks() {
-    Logger.debug(`[Book] Tracks being rebuilt...!`)
-    this.audioFiles.sort((a, b) => a.index - b.index)
-  }
-
-  // Only checks container format
-  checkCanDirectPlay(payload) {
-    var supportedMimeTypes = payload.supportedMimeTypes || []
-    return !this.tracks.some((t) => !supportedMimeTypes.includes(t.mimeType))
-  }
-
-  getDirectPlayTracklist() {
-    return this.tracks
-  }
-
-  getPlaybackTitle() {
-    return this.metadata.title
-  }
-
-  getPlaybackAuthor() {
-    return this.metadata.authorName
-  }
-
-  getChapters() {
-    return this.chapters?.map(ch => ({ ...ch })) || []
-  }
 }
 module.exports = Book
diff --git a/server/objects/mediaTypes/Podcast.js b/server/objects/mediaTypes/Podcast.js
index c7d91d0d..f27f3fa2 100644
--- a/server/objects/mediaTypes/Podcast.js
+++ b/server/objects/mediaTypes/Podcast.js
@@ -124,9 +124,6 @@ class Podcast {
     this.episodes.forEach((ep) => (total += ep.size))
     return total
   }
-  get hasMediaEntities() {
-    return !!this.episodes.length
-  }
   get duration() {
     let total = 0
     this.episodes.forEach((ep) => (total += ep.duration))
@@ -135,18 +132,6 @@ class Podcast {
   get numTracks() {
     return this.episodes.length
   }
-  get latestEpisodePublished() {
-    var largestPublishedAt = 0
-    this.episodes.forEach((ep) => {
-      if (ep.publishedAt && ep.publishedAt > largestPublishedAt) {
-        largestPublishedAt = ep.publishedAt
-      }
-    })
-    return largestPublishedAt
-  }
-  get episodesWithPubDate() {
-    return this.episodes.filter((ep) => !!ep.publishedAt)
-  }
 
   update(payload) {
     var json = this.toJSON()
@@ -181,82 +166,6 @@ class Podcast {
     return true
   }
 
-  removeFileWithInode(inode) {
-    const hasEpisode = this.episodes.some((ep) => ep.audioFile.ino === inode)
-    if (hasEpisode) {
-      this.episodes = this.episodes.filter((ep) => ep.audioFile.ino !== inode)
-    }
-    return hasEpisode
-  }
-
-  findFileWithInode(inode) {
-    var episode = this.episodes.find((ep) => ep.audioFile.ino === inode)
-    if (episode) return episode.audioFile
-    return null
-  }
-
-  setData(mediaData) {
-    this.metadata = new PodcastMetadata()
-    if (mediaData.metadata) {
-      this.metadata.setData(mediaData.metadata)
-    }
-
-    this.coverPath = mediaData.coverPath || null
-    this.autoDownloadEpisodes = !!mediaData.autoDownloadEpisodes
-    this.autoDownloadSchedule = mediaData.autoDownloadSchedule || global.ServerSettings.podcastEpisodeSchedule
-    this.lastEpisodeCheck = Date.now() // Makes sure new episodes are after this
-  }
-
-  checkHasEpisode(episodeId) {
-    return this.episodes.some((ep) => ep.id === episodeId)
-  }
-  checkHasEpisodeByFeedEpisode(feedEpisode) {
-    const guid = feedEpisode.guid
-    const url = feedEpisode.enclosure.url
-    return this.episodes.some((ep) => (ep.guid && ep.guid === guid) || ep.checkEqualsEnclosureUrl(url))
-  }
-
-  // Only checks container format
-  checkCanDirectPlay(payload, episodeId) {
-    var episode = this.episodes.find((ep) => ep.id === episodeId)
-    if (!episode) return false
-    return episode.checkCanDirectPlay(payload)
-  }
-
-  getDirectPlayTracklist(episodeId) {
-    var episode = this.episodes.find((ep) => ep.id === episodeId)
-    if (!episode) return false
-    return episode.getDirectPlayTracklist()
-  }
-
-  addPodcastEpisode(podcastEpisode) {
-    this.episodes.push(podcastEpisode)
-  }
-
-  removeEpisode(episodeId) {
-    const episode = this.episodes.find((ep) => ep.id === episodeId)
-    if (episode) {
-      this.episodes = this.episodes.filter((ep) => ep.id !== episodeId)
-    }
-    return episode
-  }
-
-  getPlaybackTitle(episodeId) {
-    var episode = this.episodes.find((ep) => ep.id == episodeId)
-    if (!episode) return this.metadata.title
-    return episode.title
-  }
-
-  getPlaybackAuthor() {
-    return this.metadata.author
-  }
-
-  getEpisodeDuration(episodeId) {
-    var episode = this.episodes.find((ep) => ep.id == episodeId)
-    if (!episode) return 0
-    return episode.duration
-  }
-
   getEpisode(episodeId) {
     if (!episodeId) return null
 
@@ -265,9 +174,5 @@ class Podcast {
 
     return this.episodes.find((ep) => ep.id == episodeId)
   }
-
-  getChapters(episodeId) {
-    return this.getEpisode(episodeId)?.chapters?.map((ch) => ({ ...ch })) || []
-  }
 }
 module.exports = Podcast
diff --git a/server/objects/metadata/BookMetadata.js b/server/objects/metadata/BookMetadata.js
index c6192f11..0dfe1dbf 100644
--- a/server/objects/metadata/BookMetadata.js
+++ b/server/objects/metadata/BookMetadata.js
@@ -159,11 +159,6 @@ class BookMetadata {
   getSeries(seriesId) {
     return this.series.find((se) => se.id == seriesId)
   }
-  getSeriesSequence(seriesId) {
-    const series = this.series.find((se) => se.id == seriesId)
-    if (!series) return null
-    return series.sequence || ''
-  }
 
   update(payload) {
     const json = this.toJSON()
diff --git a/server/objects/metadata/PodcastMetadata.js b/server/objects/metadata/PodcastMetadata.js
index 8300e93a..0df40df0 100644
--- a/server/objects/metadata/PodcastMetadata.js
+++ b/server/objects/metadata/PodcastMetadata.js
@@ -91,24 +91,6 @@ class PodcastMetadata {
     return getTitlePrefixAtEnd(this.title)
   }
 
-  setData(mediaMetadata = {}) {
-    this.title = mediaMetadata.title || null
-    this.author = mediaMetadata.author || null
-    this.description = mediaMetadata.description || null
-    this.releaseDate = mediaMetadata.releaseDate || null
-    this.feedUrl = mediaMetadata.feedUrl || null
-    this.imageUrl = mediaMetadata.imageUrl || null
-    this.itunesPageUrl = mediaMetadata.itunesPageUrl || null
-    this.itunesId = mediaMetadata.itunesId || null
-    this.itunesArtistId = mediaMetadata.itunesArtistId || null
-    this.explicit = !!mediaMetadata.explicit
-    this.language = mediaMetadata.language || null
-    this.type = mediaMetadata.type || null
-    if (mediaMetadata.genres && mediaMetadata.genres.length) {
-      this.genres = [...mediaMetadata.genres]
-    }
-  }
-
   update(payload) {
     const json = this.toJSON()
     let hasUpdates = false
diff --git a/server/routers/ApiRouter.js b/server/routers/ApiRouter.js
index 235d25cd..56f43dbf 100644
--- a/server/routers/ApiRouter.js
+++ b/server/routers/ApiRouter.js
@@ -65,7 +65,7 @@ class ApiRouter {
     //
     // Library Routes
     //
-    this.router.get(/^\/libraries/, this.apiCacheManager.middleware)
+    this.router.get(/^\/libraries/i, this.apiCacheManager.middleware)
     this.router.post('/libraries', LibraryController.create.bind(this))
     this.router.get('/libraries', LibraryController.findAll.bind(this))
     this.router.get('/libraries/:id', LibraryController.middleware.bind(this), LibraryController.findOne.bind(this))
@@ -361,36 +361,7 @@ class ApiRouter {
     }
 
     // remove item from playlists
-    const playlistsWithItem = await Database.playlistModel.getPlaylistsForMediaItemIds(mediaItemIds)
-    for (const playlist of playlistsWithItem) {
-      let numMediaItems = playlist.playlistMediaItems.length
-
-      let order = 1
-      // Remove items in playlist and re-order
-      for (const playlistMediaItem of playlist.playlistMediaItems) {
-        if (mediaItemIds.includes(playlistMediaItem.mediaItemId)) {
-          await playlistMediaItem.destroy()
-          numMediaItems--
-        } else {
-          if (playlistMediaItem.order !== order) {
-            playlistMediaItem.update({
-              order
-            })
-          }
-          order++
-        }
-      }
-
-      // If playlist is now empty then remove it
-      const jsonExpanded = await playlist.getOldJsonExpanded()
-      if (!numMediaItems) {
-        Logger.info(`[ApiRouter] Playlist "${playlist.name}" has no more items - removing it`)
-        await playlist.destroy()
-        SocketAuthority.clientEmitter(playlist.userId, 'playlist_removed', jsonExpanded)
-      } else {
-        SocketAuthority.clientEmitter(playlist.userId, 'playlist_updated', jsonExpanded)
-      }
-    }
+    await Database.playlistModel.removeMediaItemsFromPlaylists(mediaItemIds)
 
     // Close rss feed - remove from db and emit socket event
     await RssFeedManager.closeFeedForEntityId(libraryItemId)
diff --git a/server/routers/PublicRouter.js b/server/routers/PublicRouter.js
index 98ac4955..107edf99 100644
--- a/server/routers/PublicRouter.js
+++ b/server/routers/PublicRouter.js
@@ -15,6 +15,7 @@ class PublicRouter {
     this.router.get('/share/:slug', ShareController.getMediaItemShareBySlug.bind(this))
     this.router.get('/share/:slug/track/:index', ShareController.getMediaItemShareAudioTrack.bind(this))
     this.router.get('/share/:slug/cover', ShareController.getMediaItemShareCoverImage.bind(this))
+    this.router.get('/share/:slug/download', ShareController.downloadMediaItemShare.bind(this))
     this.router.patch('/share/:slug/progress', ShareController.updateMediaItemShareProgress.bind(this))
   }
 }
diff --git a/server/scanner/AudioFileScanner.js b/server/scanner/AudioFileScanner.js
index 6c808aaa..00bd44d3 100644
--- a/server/scanner/AudioFileScanner.js
+++ b/server/scanner/AudioFileScanner.js
@@ -202,12 +202,12 @@ class AudioFileScanner {
 
   /**
    *
-   * @param {AudioFile} audioFile
+   * @param {string} audioFilePath
    * @returns {object}
    */
-  probeAudioFile(audioFile) {
-    Logger.debug(`[AudioFileScanner] Running ffprobe for audio file at "${audioFile.metadata.path}"`)
-    return prober.rawProbe(audioFile.metadata.path)
+  probeAudioFile(audioFilePath) {
+    Logger.debug(`[AudioFileScanner] Running ffprobe for audio file at "${audioFilePath}"`)
+    return prober.rawProbe(audioFilePath)
   }
 
   /**
diff --git a/server/scanner/LibraryItemScanner.js b/server/scanner/LibraryItemScanner.js
index 5edfc2e2..bd99060c 100644
--- a/server/scanner/LibraryItemScanner.js
+++ b/server/scanner/LibraryItemScanner.js
@@ -64,8 +64,7 @@ class LibraryItemScanner {
 
     const { libraryItem: expandedLibraryItem, wasUpdated } = await this.rescanLibraryItemMedia(libraryItem, libraryItemScanData, library.settings, scanLogger)
     if (libraryItemDataUpdated || wasUpdated) {
-      const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(expandedLibraryItem)
-      SocketAuthority.emitter('item_updated', oldLibraryItem.toJSONExpanded())
+      SocketAuthority.emitter('item_updated', expandedLibraryItem.toOldJSONExpanded())
 
       await this.checkAuthorsAndSeriesRemovedFromBooks(library.id, scanLogger)
 
diff --git a/server/scanner/LibraryScanner.js b/server/scanner/LibraryScanner.js
index a52350f6..c4f6410d 100644
--- a/server/scanner/LibraryScanner.js
+++ b/server/scanner/LibraryScanner.js
@@ -167,7 +167,7 @@ class LibraryScanner {
     if (this.shouldCancelScan(libraryScan)) return true
 
     const libraryItemIdsMissing = []
-    let oldLibraryItemsUpdated = []
+    let libraryItemsUpdated = []
     for (const existingLibraryItem of existingLibraryItems) {
       // First try to find matching library item with exact file path
       let libraryItemData = libraryItemDataFound.find((lid) => lid.path === existingLibraryItem.path)
@@ -190,11 +190,11 @@ class LibraryScanner {
             libraryItemIdsMissing.push(existingLibraryItem.id)
 
             // TODO: Temporary while using old model to socket emit
-            const oldLibraryItem = await Database.libraryItemModel.getOldById(existingLibraryItem.id)
-            if (oldLibraryItem) {
-              oldLibraryItem.isMissing = true
-              oldLibraryItem.updatedAt = Date.now()
-              oldLibraryItemsUpdated.push(oldLibraryItem)
+            const libraryItem = await Database.libraryItemModel.getExpandedById(existingLibraryItem.id)
+            if (libraryItem) {
+              libraryItem.isMissing = true
+              await libraryItem.save()
+              libraryItemsUpdated.push(libraryItem)
             }
           }
         }
@@ -206,16 +206,15 @@ class LibraryScanner {
             const { libraryItem, wasUpdated } = await LibraryItemScanner.rescanLibraryItemMedia(existingLibraryItem, libraryItemData, libraryScan.library.settings, libraryScan)
             if (!forceRescan || wasUpdated) {
               libraryScan.resultsUpdated++
-              const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem)
-              oldLibraryItemsUpdated.push(oldLibraryItem)
+              libraryItemsUpdated.push(libraryItem)
             } else {
               libraryScan.addLog(LogLevel.DEBUG, `Library item "${existingLibraryItem.relPath}" is up-to-date`)
             }
           } else {
             libraryScan.resultsUpdated++
             // TODO: Temporary while using old model to socket emit
-            const oldLibraryItem = await Database.libraryItemModel.getOldById(existingLibraryItem.id)
-            oldLibraryItemsUpdated.push(oldLibraryItem)
+            const libraryItem = await Database.libraryItemModel.getExpandedById(existingLibraryItem.id)
+            libraryItemsUpdated.push(libraryItem)
           }
         } else {
           libraryScan.addLog(LogLevel.DEBUG, `Library item "${existingLibraryItem.relPath}" is up-to-date`)
@@ -223,23 +222,23 @@ class LibraryScanner {
       }
 
       // Emit item updates in chunks of 10 to client
-      if (oldLibraryItemsUpdated.length === 10) {
+      if (libraryItemsUpdated.length === 10) {
         // TODO: Should only emit to clients where library item is accessible
         SocketAuthority.emitter(
           'items_updated',
-          oldLibraryItemsUpdated.map((li) => li.toJSONExpanded())
+          libraryItemsUpdated.map((li) => li.toOldJSONExpanded())
         )
-        oldLibraryItemsUpdated = []
+        libraryItemsUpdated = []
       }
 
       if (this.shouldCancelScan(libraryScan)) return true
     }
     // Emit item updates to client
-    if (oldLibraryItemsUpdated.length) {
+    if (libraryItemsUpdated.length) {
       // TODO: Should only emit to clients where library item is accessible
       SocketAuthority.emitter(
         'items_updated',
-        oldLibraryItemsUpdated.map((li) => li.toJSONExpanded())
+        libraryItemsUpdated.map((li) => li.toOldJSONExpanded())
       )
     }
 
@@ -267,34 +266,33 @@ class LibraryScanner {
 
     // Add new library items
     if (libraryItemDataFound.length) {
-      let newOldLibraryItems = []
+      let newLibraryItems = []
       for (const libraryItemData of libraryItemDataFound) {
         const newLibraryItem = await LibraryItemScanner.scanNewLibraryItem(libraryItemData, libraryScan.library.settings, libraryScan)
         if (newLibraryItem) {
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(newLibraryItem)
-          newOldLibraryItems.push(oldLibraryItem)
+          newLibraryItems.push(newLibraryItem)
 
           libraryScan.resultsAdded++
         }
 
         // Emit new items in chunks of 10 to client
-        if (newOldLibraryItems.length === 10) {
+        if (newLibraryItems.length === 10) {
           // TODO: Should only emit to clients where library item is accessible
           SocketAuthority.emitter(
             'items_added',
-            newOldLibraryItems.map((li) => li.toJSONExpanded())
+            newLibraryItems.map((li) => li.toOldJSONExpanded())
           )
-          newOldLibraryItems = []
+          newLibraryItems = []
         }
 
         if (this.shouldCancelScan(libraryScan)) return true
       }
       // Emit new items to client
-      if (newOldLibraryItems.length) {
+      if (newLibraryItems.length) {
         // TODO: Should only emit to clients where library item is accessible
         SocketAuthority.emitter(
           'items_added',
-          newOldLibraryItems.map((li) => li.toJSONExpanded())
+          newLibraryItems.map((li) => li.toOldJSONExpanded())
         )
       }
     }
@@ -645,8 +643,7 @@ class LibraryScanner {
       const isSingleMediaItem = isSingleMediaFile(fileUpdateGroup, itemDir)
       const newLibraryItem = await LibraryItemScanner.scanPotentialNewLibraryItem(fullPath, library, folder, isSingleMediaItem)
       if (newLibraryItem) {
-        const oldNewLibraryItem = Database.libraryItemModel.getOldLibraryItem(newLibraryItem)
-        SocketAuthority.emitter('item_added', oldNewLibraryItem.toJSONExpanded())
+        SocketAuthority.emitter('item_added', newLibraryItem.toOldJSONExpanded())
       }
       itemGroupingResults[itemDir] = newLibraryItem ? ScanResult.ADDED : ScanResult.NOTHING
     }
diff --git a/server/utils/ffmpegHelpers.js b/server/utils/ffmpegHelpers.js
index d9e77161..60d08045 100644
--- a/server/utils/ffmpegHelpers.js
+++ b/server/utils/ffmpegHelpers.js
@@ -8,8 +8,8 @@ const { filePathToPOSIX, copyToExisting } = require('./fileUtils')
 const LibraryItem = require('../objects/LibraryItem')
 
 function escapeSingleQuotes(path) {
-  // return path.replace(/'/g, '\'\\\'\'')
-  return filePathToPOSIX(path).replace(/ /g, '\\ ').replace(/'/g, "\\'")
+  // A ' within a quoted string is escaped with '\'' in ffmpeg (see https://www.ffmpeg.org/ffmpeg-utils.html#Quoting-and-escaping)
+  return filePathToPOSIX(path).replace(/'/g, "'\\''")
 }
 
 // Returns first track start time
@@ -33,7 +33,7 @@ async function writeConcatFile(tracks, outputPath, startTime = 0) {
 
   var tracksToInclude = tracks.filter((t) => t.index >= trackToStartWithIndex)
   var trackPaths = tracksToInclude.map((t) => {
-    var line = 'file ' + escapeSingleQuotes(t.metadata.path) + '\n' + `duration ${t.duration}`
+    var line = "file '" + escapeSingleQuotes(t.metadata.path) + "'\n" + `duration ${t.duration}`
     return line
   })
   var inputstr = trackPaths.join('\n\n')
@@ -97,6 +97,11 @@ async function resizeImage(filePath, outputPath, width, height) {
 }
 module.exports.resizeImage = resizeImage
 
+/**
+ *
+ * @param {import('../objects/PodcastEpisodeDownload')} podcastEpisodeDownload
+ * @returns
+ */
 module.exports.downloadPodcastEpisode = (podcastEpisodeDownload) => {
   return new Promise(async (resolve) => {
     const response = await axios({
@@ -118,32 +123,33 @@ module.exports.downloadPodcastEpisode = (podcastEpisodeDownload) => {
     ffmpeg.addOption('-loglevel debug') // Debug logs printed on error
     ffmpeg.outputOptions('-c:a', 'copy', '-map', '0:a', '-metadata', 'podcast=1')
 
-    const podcastMetadata = podcastEpisodeDownload.libraryItem.media.metadata
-    const podcastEpisode = podcastEpisodeDownload.podcastEpisode
+    /** @type {import('../models/Podcast')} */
+    const podcast = podcastEpisodeDownload.libraryItem.media
+    const podcastEpisode = podcastEpisodeDownload.rssPodcastEpisode
     const finalSizeInBytes = Number(podcastEpisode.enclosure?.length || 0)
 
     const taggings = {
-      album: podcastMetadata.title,
-      'album-sort': podcastMetadata.title,
-      artist: podcastMetadata.author,
-      'artist-sort': podcastMetadata.author,
+      album: podcast.title,
+      'album-sort': podcast.title,
+      artist: podcast.author,
+      'artist-sort': podcast.author,
       comment: podcastEpisode.description,
       subtitle: podcastEpisode.subtitle,
       disc: podcastEpisode.season,
-      genre: podcastMetadata.genres.length ? podcastMetadata.genres.join(';') : null,
-      language: podcastMetadata.language,
-      MVNM: podcastMetadata.title,
+      genre: podcast.genres.length ? podcast.genres.join(';') : null,
+      language: podcast.language,
+      MVNM: podcast.title,
       MVIN: podcastEpisode.episode,
       track: podcastEpisode.episode,
       'series-part': podcastEpisode.episode,
       title: podcastEpisode.title,
       'title-sort': podcastEpisode.title,
-      year: podcastEpisode.pubYear,
+      year: podcastEpisodeDownload.pubYear,
       date: podcastEpisode.pubDate,
       releasedate: podcastEpisode.pubDate,
-      'itunes-id': podcastMetadata.itunesId,
-      'podcast-type': podcastMetadata.type,
-      'episode-type': podcastMetadata.episodeType
+      'itunes-id': podcast.itunesId,
+      'podcast-type': podcast.podcastType,
+      'episode-type': podcastEpisode.episodeType
     }
 
     for (const tag in taggings) {
diff --git a/server/utils/migrations/dbMigration.js b/server/utils/migrations/dbMigration.js
index 8337f5aa..eb42c81c 100644
--- a/server/utils/migrations/dbMigration.js
+++ b/server/utils/migrations/dbMigration.js
@@ -1200,7 +1200,7 @@ async function migrationPatchNewColumns(queryInterface) {
  */
 async function handleOldLibraryItems(ctx) {
   const oldLibraryItems = await oldDbFiles.loadOldData('libraryItems')
-  const libraryItems = await ctx.models.libraryItem.getAllOldLibraryItems()
+  const libraryItems = (await ctx.models.libraryItem.findAllExpandedWhere()).map((li) => ctx.models.libraryItem.getOldLibraryItem(li))
 
   const bulkUpdateItems = []
   const bulkUpdateEpisodes = []
diff --git a/server/utils/podcastUtils.js b/server/utils/podcastUtils.js
index 0c742407..27970c65 100644
--- a/server/utils/podcastUtils.js
+++ b/server/utils/podcastUtils.js
@@ -4,6 +4,49 @@ const Logger = require('../Logger')
 const { xmlToJSON, levenshteinDistance } = require('./index')
 const htmlSanitizer = require('../utils/htmlSanitizer')
 
+/**
+ * @typedef RssPodcastEpisode
+ * @property {string} title
+ * @property {string} subtitle
+ * @property {string} description
+ * @property {string} descriptionPlain
+ * @property {string} pubDate
+ * @property {string} episodeType
+ * @property {string} season
+ * @property {string} episode
+ * @property {string} author
+ * @property {string} duration
+ * @property {string} explicit
+ * @property {number} publishedAt - Unix timestamp
+ * @property {{ url: string, type?: string, length?: string }} enclosure
+ * @property {string} guid
+ * @property {string} chaptersUrl
+ * @property {string} chaptersType
+ */
+
+/**
+ * @typedef RssPodcastMetadata
+ * @property {string} title
+ * @property {string} language
+ * @property {string} explicit
+ * @property {string} author
+ * @property {string} pubDate
+ * @property {string} link
+ * @property {string} image
+ * @property {string[]} categories
+ * @property {string} feedUrl
+ * @property {string} description
+ * @property {string} descriptionPlain
+ * @property {string} type
+ */
+
+/**
+ * @typedef RssPodcast
+ * @property {RssPodcastMetadata} metadata
+ * @property {RssPodcastEpisode[]} episodes
+ * @property {number} numEpisodes
+ */
+
 function extractFirstArrayItem(json, key) {
   if (!json[key]?.length) return null
   return json[key][0]
@@ -223,7 +266,7 @@ module.exports.parsePodcastRssFeedXml = async (xml, excludeEpisodeMetadata = fal
  *
  * @param {string} feedUrl
  * @param {boolean} [excludeEpisodeMetadata=false]
- * @returns {Promise}
+ * @returns {Promise<RssPodcast|null>}
  */
 module.exports.getPodcastFeed = (feedUrl, excludeEpisodeMetadata = false) => {
   Logger.debug(`[podcastUtils] getPodcastFeed for "${feedUrl}"`)
diff --git a/server/utils/queries/libraryFilters.js b/server/utils/queries/libraryFilters.js
index 57ca48ba..60c07805 100644
--- a/server/utils/queries/libraryFilters.js
+++ b/server/utils/queries/libraryFilters.js
@@ -18,7 +18,7 @@ module.exports = {
    * @param {string} libraryId
    * @param {import('../../models/User')} user
    * @param {object} options
-   * @returns {object} { libraryItems:LibraryItem[], count:number }
+   * @returns {Promise<{ libraryItems:import('../../models/LibraryItem')[], count:number }>}
    */
   async getFilteredLibraryItems(libraryId, user, options) {
     const { filterBy, sortBy, sortDesc, limit, offset, collapseseries, include, mediaType } = options
@@ -52,7 +52,7 @@ module.exports = {
       const { libraryItems, count } = await libraryItemsBookFilters.getFilteredLibraryItems(library.id, user, 'progress', 'in-progress', 'progress', true, false, include, limit, 0, true)
       return {
         items: libraryItems.map((li) => {
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+          const oldLibraryItem = li.toOldJSONMinified()
           if (li.rssFeed) {
             oldLibraryItem.rssFeed = li.rssFeed.toOldJSONMinified()
           }
@@ -68,7 +68,7 @@ module.exports = {
       return {
         count,
         items: libraryItems.map((li) => {
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+          const oldLibraryItem = li.toOldJSONMinified()
           oldLibraryItem.recentEpisode = li.recentEpisode
           return oldLibraryItem
         })
@@ -89,7 +89,7 @@ module.exports = {
       const { libraryItems, count } = await libraryItemsBookFilters.getFilteredLibraryItems(library.id, user, 'recent', null, 'addedAt', true, false, include, limit, 0)
       return {
         libraryItems: libraryItems.map((li) => {
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+          const oldLibraryItem = li.toOldJSONMinified()
           if (li.rssFeed) {
             oldLibraryItem.rssFeed = li.rssFeed.toOldJSONMinified()
           }
@@ -107,7 +107,7 @@ module.exports = {
       const { libraryItems, count } = await libraryItemsPodcastFilters.getFilteredLibraryItems(library.id, user, 'recent', null, 'addedAt', true, include, limit, 0)
       return {
         libraryItems: libraryItems.map((li) => {
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+          const oldLibraryItem = li.toOldJSONMinified()
           if (li.rssFeed) {
             oldLibraryItem.rssFeed = li.rssFeed.toOldJSONMinified()
           }
@@ -136,7 +136,7 @@ module.exports = {
     const { libraryItems, count } = await libraryItemsBookFilters.getContinueSeriesLibraryItems(library, user, include, limit, 0)
     return {
       libraryItems: libraryItems.map((li) => {
-        const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+        const oldLibraryItem = li.toOldJSONMinified()
         if (li.rssFeed) {
           oldLibraryItem.rssFeed = li.rssFeed.toOldJSONMinified()
         }
@@ -166,7 +166,7 @@ module.exports = {
       const { libraryItems, count } = await libraryItemsBookFilters.getFilteredLibraryItems(library.id, user, 'progress', 'finished', 'progress', true, false, include, limit, 0)
       return {
         items: libraryItems.map((li) => {
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+          const oldLibraryItem = li.toOldJSONMinified()
           if (li.rssFeed) {
             oldLibraryItem.rssFeed = li.rssFeed.toOldJSONMinified()
           }
@@ -182,7 +182,7 @@ module.exports = {
       return {
         count,
         items: libraryItems.map((li) => {
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+          const oldLibraryItem = li.toOldJSONMinified()
           oldLibraryItem.recentEpisode = li.recentEpisode
           return oldLibraryItem
         })
@@ -293,15 +293,17 @@ module.exports = {
       })
       oldSeries.books = s.bookSeries
         .map((bs) => {
-          const libraryItem = bs.book.libraryItem?.toJSON()
+          const libraryItem = bs.book.libraryItem
           if (!libraryItem) {
             Logger.warn(`Book series book has no libraryItem`, bs, bs.book, 'series=', series)
             return null
           }
 
           delete bs.book.libraryItem
+          bs.book.authors = [] // Not needed
+          bs.book.series = [] // Not needed
           libraryItem.media = bs.book
-          const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem).toJSONMinified()
+          const oldLibraryItem = libraryItem.toOldJSONMinified()
           return oldLibraryItem
         })
         .filter((b) => b)
@@ -373,7 +375,7 @@ module.exports = {
     const { libraryItems, count } = await libraryItemsBookFilters.getDiscoverLibraryItems(library.id, user, include, limit)
     return {
       libraryItems: libraryItems.map((li) => {
-        const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+        const oldLibraryItem = li.toOldJSONMinified()
         if (li.rssFeed) {
           oldLibraryItem.rssFeed = li.rssFeed.toOldJSONMinified()
         }
@@ -400,7 +402,7 @@ module.exports = {
     return {
       count,
       libraryItems: libraryItems.map((li) => {
-        const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(li).toJSONMinified()
+        const oldLibraryItem = li.toOldJSONMinified()
         oldLibraryItem.recentEpisode = li.recentEpisode
         return oldLibraryItem
       })
diff --git a/server/utils/queries/libraryItemsBookFilters.js b/server/utils/queries/libraryItemsBookFilters.js
index ccce5304..9e74276a 100644
--- a/server/utils/queries/libraryItemsBookFilters.js
+++ b/server/utils/queries/libraryItemsBookFilters.js
@@ -349,7 +349,7 @@ module.exports = {
    * @param {number} limit
    * @param {number} offset
    * @param {boolean} isHomePage for home page shelves
-   * @returns {object} { libraryItems:LibraryItem[], count:number }
+   * @returns {{ libraryItems: import('../../models/LibraryItem')[], count: number }}
    */
   async getFilteredLibraryItems(libraryId, user, filterGroup, filterValue, sortBy, sortDesc, collapseseries, include, limit, offset, isHomePage = false) {
     // TODO: Handle collapse sub-series
@@ -583,8 +583,8 @@ module.exports = {
     })
 
     const libraryItems = books.map((bookExpanded) => {
-      const libraryItem = bookExpanded.libraryItem.toJSON()
-      const book = bookExpanded.toJSON()
+      const libraryItem = bookExpanded.libraryItem
+      const book = bookExpanded
 
       if (filterGroup === 'series' && book.series?.length) {
         // For showing sequence on book cover when filtering for series
@@ -596,27 +596,37 @@ module.exports = {
       }
 
       delete book.libraryItem
-      delete book.authors
-      delete book.series
+
+      book.series =
+        book.bookSeries?.map((bs) => {
+          const series = bs.series
+          delete bs.series
+          series.bookSeries = bs
+          return series
+        }) || []
+      delete book.bookSeries
+
+      book.authors = book.bookAuthors?.map((ba) => ba.author) || []
+      delete book.bookAuthors
 
       // For showing details of collapsed series
-      if (collapseseries && book.bookSeries?.length) {
-        const collapsedSeries = book.bookSeries.find((bs) => collapseSeriesBookSeries.some((cbs) => cbs.id === bs.id))
+      if (collapseseries && book.series?.length) {
+        const collapsedSeries = book.series.find((bs) => collapseSeriesBookSeries.some((cbs) => cbs.id === bs.bookSeries.id))
         if (collapsedSeries) {
-          const collapseSeriesObj = collapseSeriesBookSeries.find((csbs) => csbs.id === collapsedSeries.id)
+          const collapseSeriesObj = collapseSeriesBookSeries.find((csbs) => csbs.id === collapsedSeries.bookSeries.id)
           libraryItem.collapsedSeries = {
-            id: collapsedSeries.series.id,
-            name: collapsedSeries.series.name,
-            nameIgnorePrefix: collapsedSeries.series.nameIgnorePrefix,
-            sequence: collapsedSeries.sequence,
+            id: collapsedSeries.id,
+            name: collapsedSeries.name,
+            nameIgnorePrefix: collapsedSeries.nameIgnorePrefix,
+            sequence: collapsedSeries.bookSeries.sequence,
             numBooks: collapseSeriesObj?.numBooks || 0,
             libraryItemIds: collapseSeriesObj?.libraryItemIds || []
           }
         }
       }
 
-      if (bookExpanded.libraryItem.feeds?.length) {
-        libraryItem.rssFeed = bookExpanded.libraryItem.feeds[0]
+      if (libraryItem.feeds?.length) {
+        libraryItem.rssFeed = libraryItem.feeds[0]
       }
 
       if (includeMediaItemShare) {
@@ -646,7 +656,7 @@ module.exports = {
    * @param {string[]} include
    * @param {number} limit
    * @param {number} offset
-   * @returns {{ libraryItems:import('../../models/LibraryItem')[], count:number }}
+   * @returns {Promise<{ libraryItems:import('../../models/LibraryItem')[], count:number }>}
    */
   async getContinueSeriesLibraryItems(library, user, include, limit, offset) {
     const libraryId = library.id
@@ -758,16 +768,19 @@ module.exports = {
           }
         }
 
-        const libraryItem = s.bookSeries[bookIndex].book.libraryItem.toJSON()
-        const book = s.bookSeries[bookIndex].book.toJSON()
+        const libraryItem = s.bookSeries[bookIndex].book.libraryItem
+        const book = s.bookSeries[bookIndex].book
         delete book.libraryItem
+
+        book.series = []
+
         libraryItem.series = {
           id: s.id,
           name: s.name,
           sequence: s.bookSeries[bookIndex].sequence
         }
-        if (s.bookSeries[bookIndex].book.libraryItem.feeds?.length) {
-          libraryItem.rssFeed = s.bookSeries[bookIndex].book.libraryItem.feeds[0]
+        if (libraryItem.feeds?.length) {
+          libraryItem.rssFeed = libraryItem.feeds[0]
         }
         libraryItem.media = book
         return libraryItem
@@ -788,7 +801,7 @@ module.exports = {
    * @param {import('../../models/User')} user
    * @param {string[]} include
    * @param {number} limit
-   * @returns {object} {libraryItems:LibraryItem, count:number}
+   * @returns {Promise<{ libraryItems: import('../../models/LibraryItem')[], count: number }>}
    */
   async getDiscoverLibraryItems(libraryId, user, include, limit) {
     const userPermissionBookWhere = this.getUserPermissionBookWhereQuery(user)
@@ -895,13 +908,26 @@ module.exports = {
 
     // Step 3: Map books to library items
     const libraryItems = books.map((bookExpanded) => {
-      const libraryItem = bookExpanded.libraryItem.toJSON()
-      const book = bookExpanded.toJSON()
+      const libraryItem = bookExpanded.libraryItem
+      const book = bookExpanded
       delete book.libraryItem
+
+      book.series =
+        book.bookSeries?.map((bs) => {
+          const series = bs.series
+          delete bs.series
+          series.bookSeries = bs
+          return series
+        }) || []
+      delete book.bookSeries
+
+      book.authors = book.bookAuthors?.map((ba) => ba.author) || []
+      delete book.bookAuthors
+
       libraryItem.media = book
 
-      if (bookExpanded.libraryItem.feeds?.length) {
-        libraryItem.rssFeed = bookExpanded.libraryItem.feeds[0]
+      if (libraryItem.feeds?.length) {
+        libraryItem.rssFeed = libraryItem.feeds[0]
       }
 
       return libraryItem
@@ -961,11 +987,11 @@ module.exports = {
    * Get library items for series
    * @param {import('../../models/Series')} series
    * @param {import('../../models/User')} [user]
-   * @returns {Promise<import('../../objects/LibraryItem')[]>}
+   * @returns {Promise<import('../../models/LibraryItem')[]>}
    */
   async getLibraryItemsForSeries(series, user) {
     const { libraryItems } = await this.getFilteredLibraryItems(series.libraryId, user, 'series', series.id, null, null, false, [], null, null)
-    return libraryItems.map((li) => Database.libraryItemModel.getOldLibraryItem(li))
+    return libraryItems
   },
 
   /**
@@ -1040,9 +1066,21 @@ module.exports = {
     for (const book of books) {
       const libraryItem = book.libraryItem
       delete book.libraryItem
+
+      book.series = book.bookSeries.map((bs) => {
+        const series = bs.series
+        delete bs.series
+        series.bookSeries = bs
+        return series
+      })
+      delete book.bookSeries
+
+      book.authors = book.bookAuthors.map((ba) => ba.author)
+      delete book.bookAuthors
+
       libraryItem.media = book
       itemMatches.push({
-        libraryItem: Database.libraryItemModel.getOldLibraryItem(libraryItem).toJSONExpanded()
+        libraryItem: libraryItem.toOldJSONExpanded()
       })
     }
 
@@ -1132,7 +1170,9 @@ module.exports = {
       const books = series.bookSeries.map((bs) => {
         const libraryItem = bs.book.libraryItem
         libraryItem.media = bs.book
-        return Database.libraryItemModel.getOldLibraryItem(libraryItem).toJSON()
+        libraryItem.media.authors = []
+        libraryItem.media.series = []
+        return libraryItem.toOldJSON()
       })
       seriesMatches.push({
         series: series.toOldJSON(),
diff --git a/server/utils/queries/libraryItemsPodcastFilters.js b/server/utils/queries/libraryItemsPodcastFilters.js
index c7c0914b..0aaf6f4b 100644
--- a/server/utils/queries/libraryItemsPodcastFilters.js
+++ b/server/utils/queries/libraryItemsPodcastFilters.js
@@ -107,7 +107,7 @@ module.exports = {
    * @param {string[]} include
    * @param {number} limit
    * @param {number} offset
-   * @returns {object} { libraryItems:LibraryItem[], count:number }
+   * @returns {Promise<{ libraryItems: import('../../models/LibraryItem')[], count: number }>}
    */
   async getFilteredLibraryItems(libraryId, user, filterGroup, filterValue, sortBy, sortDesc, include, limit, offset) {
     const includeRSSFeed = include.includes('rssfeed')
@@ -175,16 +175,19 @@ module.exports = {
     })
 
     const libraryItems = podcasts.map((podcastExpanded) => {
-      const libraryItem = podcastExpanded.libraryItem.toJSON()
-      const podcast = podcastExpanded.toJSON()
+      const libraryItem = podcastExpanded.libraryItem
+      const podcast = podcastExpanded
 
       delete podcast.libraryItem
 
-      if (podcastExpanded.libraryItem.feeds?.length) {
-        libraryItem.rssFeed = podcastExpanded.libraryItem.feeds[0]
+      if (libraryItem.feeds?.length) {
+        libraryItem.rssFeed = libraryItem.feeds[0]
       }
-      if (podcast.numEpisodesIncomplete) {
-        libraryItem.numEpisodesIncomplete = podcast.numEpisodesIncomplete
+      if (podcast.dataValues.numEpisodesIncomplete) {
+        libraryItem.numEpisodesIncomplete = podcast.dataValues.numEpisodesIncomplete
+      }
+      if (podcast.dataValues.numEpisodes) {
+        podcast.numEpisodes = podcast.dataValues.numEpisodes
       }
 
       libraryItem.media = podcast
@@ -209,7 +212,7 @@ module.exports = {
    * @param {number} limit
    * @param {number} offset
    * @param {boolean} isHomePage for home page shelves
-   * @returns {object} {libraryItems:LibraryItem[], count:number}
+   * @returns {Promise<{ libraryItems: import('../../models/LibraryItem')[], count: number }>}
    */
   async getFilteredPodcastEpisodes(libraryId, user, filterGroup, filterValue, sortBy, sortDesc, limit, offset, isHomePage = false) {
     if (sortBy === 'progress' && filterGroup !== 'progress') {
@@ -289,10 +292,11 @@ module.exports = {
     })
 
     const libraryItems = podcastEpisodes.map((ep) => {
-      const libraryItem = ep.podcast.libraryItem.toJSON()
-      const podcast = ep.podcast.toJSON()
+      const libraryItem = ep.podcast.libraryItem
+      const podcast = ep.podcast
       delete podcast.libraryItem
       libraryItem.media = podcast
+
       libraryItem.recentEpisode = ep.getOldPodcastEpisode(libraryItem.id).toJSON()
       return libraryItem
     })
@@ -362,8 +366,9 @@ module.exports = {
       const libraryItem = podcast.libraryItem
       delete podcast.libraryItem
       libraryItem.media = podcast
+      libraryItem.media.podcastEpisodes = []
       itemMatches.push({
-        libraryItem: Database.libraryItemModel.getOldLibraryItem(libraryItem).toJSONExpanded()
+        libraryItem: libraryItem.toOldJSONExpanded()
       })
     }
 
diff --git a/server/utils/queries/seriesFilters.js b/server/utils/queries/seriesFilters.js
index 2e0e2346..ed71e5b3 100644
--- a/server/utils/queries/seriesFilters.js
+++ b/server/utils/queries/seriesFilters.js
@@ -162,6 +162,12 @@ module.exports = {
             include: [
               {
                 model: Database.libraryItemModel
+              },
+              {
+                model: Database.authorModel
+              },
+              {
+                model: Database.seriesModel
               }
             ]
           },
@@ -195,10 +201,10 @@ module.exports = {
         })
       })
       oldSeries.books = s.bookSeries.map((bs) => {
-        const libraryItem = bs.book.libraryItem.toJSON()
+        const libraryItem = bs.book.libraryItem
         delete bs.book.libraryItem
         libraryItem.media = bs.book
-        const oldLibraryItem = Database.libraryItemModel.getOldLibraryItem(libraryItem).toJSONMinified()
+        const oldLibraryItem = libraryItem.toOldJSONMinified()
         return oldLibraryItem
       })
       allOldSeries.push(oldSeries)
diff --git a/test/server/controllers/LibraryItemController.test.js b/test/server/controllers/LibraryItemController.test.js
index 3fcd1cf8..fb65cc4b 100644
--- a/test/server/controllers/LibraryItemController.test.js
+++ b/test/server/controllers/LibraryItemController.test.js
@@ -82,11 +82,11 @@ describe('LibraryItemController', () => {
     })
 
     it('should remove authors and series with no books on library item delete', async () => {
-      const oldLibraryItem = await Database.libraryItemModel.getOldById(libraryItem1Id)
+      const libraryItem = await Database.libraryItemModel.getExpandedById(libraryItem1Id)
 
       const fakeReq = {
         query: {},
-        libraryItem: oldLibraryItem
+        libraryItem
       }
       const fakeRes = {
         sendStatus: sinon.spy()
@@ -156,7 +156,7 @@ describe('LibraryItemController', () => {
     })
 
     it('should remove authors and series with no books on library item update media', async () => {
-      const oldLibraryItem = await Database.libraryItemModel.getOldById(libraryItem1Id)
+      const libraryItem = await Database.libraryItemModel.getExpandedById(libraryItem1Id)
 
       // Update library item 1 remove all authors and series
       const fakeReq = {
@@ -167,7 +167,7 @@ describe('LibraryItemController', () => {
             series: []
           }
         },
-        libraryItem: oldLibraryItem
+        libraryItem
       }
       const fakeRes = {
         json: sinon.spy()
diff --git a/test/server/migrations/v2.17.6-share-add-isdownloadable.test.js b/test/server/migrations/v2.17.6-share-add-isdownloadable.test.js
new file mode 100644
index 00000000..6c778b14
--- /dev/null
+++ b/test/server/migrations/v2.17.6-share-add-isdownloadable.test.js
@@ -0,0 +1,68 @@
+const chai = require('chai')
+const sinon = require('sinon')
+const { expect } = chai
+
+const { DataTypes } = require('sequelize')
+
+const { up, down } = require('../../../server/migrations/v2.17.6-share-add-isdownloadable')
+
+describe('Migration v2.17.6-share-add-isDownloadable', () => {
+  let queryInterface, logger
+
+  beforeEach(() => {
+    queryInterface = {
+      addColumn: sinon.stub().resolves(),
+      removeColumn: sinon.stub().resolves(),
+      tableExists: sinon.stub().resolves(true),
+      describeTable: sinon.stub().resolves({ isDownloadable: undefined }),
+      sequelize: {
+        Sequelize: {
+          DataTypes: {
+            BOOLEAN: DataTypes.BOOLEAN
+          }
+        }
+      }
+    }
+
+    logger = {
+      info: sinon.stub(),
+      error: sinon.stub()
+    }
+  })
+
+  describe('up', () => {
+    it('should add the isDownloadable column to mediaItemShares table', async () => {
+      await up({ context: { queryInterface, logger } })
+
+      expect(queryInterface.addColumn.calledOnce).to.be.true
+      expect(
+        queryInterface.addColumn.calledWith('mediaItemShares', 'isDownloadable', {
+          type: DataTypes.BOOLEAN,
+          defaultValue: false,
+          allowNull: false
+        })
+      ).to.be.true
+
+      expect(logger.info.calledWith('[2.17.6 migration] UPGRADE BEGIN: 2.17.6-share-add-isdownloadable')).to.be.true
+      expect(logger.info.calledWith('[2.17.6 migration] Adding isDownloadable column to mediaItemShares table')).to.be.true
+      expect(logger.info.calledWith('[2.17.6 migration] Added isDownloadable column to mediaItemShares table')).to.be.true
+      expect(logger.info.calledWith('[2.17.6 migration] UPGRADE END: 2.17.6-share-add-isdownloadable')).to.be.true
+    })
+  })
+
+  describe('down', () => {
+    it('should remove the isDownloadable column from mediaItemShares table', async () => {
+      queryInterface.describeTable.resolves({ isDownloadable: true })
+
+      await down({ context: { queryInterface, logger } })
+
+      expect(queryInterface.removeColumn.calledOnce).to.be.true
+      expect(queryInterface.removeColumn.calledWith('mediaItemShares', 'isDownloadable')).to.be.true
+
+      expect(logger.info.calledWith('[2.17.6 migration] DOWNGRADE BEGIN: 2.17.6-share-add-isdownloadable')).to.be.true
+      expect(logger.info.calledWith('[2.17.6 migration] Removing isDownloadable column from mediaItemShares table')).to.be.true
+      expect(logger.info.calledWith('[2.17.6 migration] Removed isDownloadable column from mediaItemShares table')).to.be.true
+      expect(logger.info.calledWith('[2.17.6 migration] DOWNGRADE END: 2.17.6-share-add-isdownloadable')).to.be.true
+    })
+  })
+})