diff --git a/README.md b/README.md
index 4081488..a4bf21e 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,10 @@
 # BigBlueButton 2.3 Docker
 
-Version: 2.3-beta-2 | [Changelog](CHANGELOG.md) | [Issues](https://github.com/bigbluebutton/docker/issues)
+Version: 2.3-beta-3 | [Changelog](CHANGELOG.md) | [Issues](https://github.com/bigbluebutton/docker/issues)
 
 ## Note
 Even though it seems to be stable so far, it is still a beta, which means that you can expect broken bits and pieces in some places.
 
-### Known broken features
-- Telephone dial-in [bigbluebutton#11860](https://github.com/bigbluebutton/bigbluebutton/issues/11860)
-
 ## Features
 - Easy installation
 - Greenlight included
diff --git a/mod/apps-akka/Dockerfile b/mod/apps-akka/Dockerfile
index 7dd4e4f..96f7028 100644
--- a/mod/apps-akka/Dockerfile
+++ b/mod/apps-akka/Dockerfile
@@ -3,7 +3,7 @@ FROM mozilla/sbt:8u181_1.2.7 AS builder
 RUN apt-get update && apt-get install -y subversion
 
 # download bbb-common-message
-ENV TAG_COMMON_MESSAGE v2.3-beta-2
+ENV TAG_COMMON_MESSAGE v2.3-beta-3
 RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG_COMMON_MESSAGE/bbb-common-message /bbb-common-message \
     && rm -rf /bbb-common-message/.svn
 
@@ -14,7 +14,7 @@ RUN cd /bbb-common-message \
 
 # ===================================================
 
-ENV TAG v2.3-beta-2
+ENV TAG v2.3-beta-3
 RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG/akka-bbb-apps /source \
     && rm -rf /source/.svn
 
diff --git a/mod/bbb-web/Dockerfile b/mod/bbb-web/Dockerfile
index 4eb210c..88a68b5 100644
--- a/mod/bbb-web/Dockerfile
+++ b/mod/bbb-web/Dockerfile
@@ -3,7 +3,7 @@ FROM mozilla/sbt:8u181_1.2.7 AS builder
 RUN apt-get update && apt-get install -y subversion
 
 # download bbb-common-message
-ENV TAG_COMMON_MESSAGE v2.3-beta-2
+ENV TAG_COMMON_MESSAGE v2.3-beta-3
 RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG_COMMON_MESSAGE/bbb-common-message /bbb-common-message \
     && rm -rf /bbb-common-message/.svn
 
@@ -26,7 +26,7 @@ RUN cd /opt \
 ENV PATH="/opt/gradle-6.7/bin:${PATH}"
 
 # download bbb-common-web
-ENV TAG_COMMON_WEB v2.3-beta-2
+ENV TAG_COMMON_WEB v2.3-beta-3
 RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG_COMMON_WEB/bbb-common-web /bbb-common-web \
     && rm -rf /bbb-common-message/.svn
 
@@ -35,7 +35,7 @@ RUN cd /bbb-common-web \
  && ./deploy.sh
 
 # download bbb-web
-ENV TAG_WEB v2.3-beta-2
+ENV TAG_WEB v2.3-beta-3
 RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG_WEB/bigbluebutton-web /bbb-web \
     && rm -rf /bbb-web/.svn
 
diff --git a/mod/etherpad/Dockerfile b/mod/etherpad/Dockerfile
index 16cae98..0c5554c 100644
--- a/mod/etherpad/Dockerfile
+++ b/mod/etherpad/Dockerfile
@@ -11,6 +11,7 @@ RUN npm install  \
     git+https://git@github.com/pedrobmarin/ep_pad_ttl.git \
     git+https://git@github.com/pedrobmarin/ep_redis_publisher.git \
     git+https://git@github.com/ether/ep_disable_chat.git \
+    git+https://github.com/ether/ep_sticky_attributes.git \
 # remove npm lockfile, because somehow it prevents etherpad from detecting the manual added plugin ep_bigbluebutton_patches
     && rm package-lock.json
 
diff --git a/mod/fsesl-akka/Dockerfile b/mod/fsesl-akka/Dockerfile
index 2bd5483..45d13c9 100644
--- a/mod/fsesl-akka/Dockerfile
+++ b/mod/fsesl-akka/Dockerfile
@@ -3,7 +3,7 @@ FROM mozilla/sbt:8u181_1.2.7 AS builder
 RUN apt-get update && apt-get install -y subversion
 
 # download bbb-common-message
-ENV TAG_COMMON_MESSAGE v2.3-beta-2
+ENV TAG_COMMON_MESSAGE v2.3-beta-3
 RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG_COMMON_MESSAGE/bbb-common-message /bbb-common-message \
     && rm -rf /bbb-common-message/.svn
 
@@ -13,7 +13,7 @@ RUN cd /bbb-common-message \
 
 
 # ===================================================
-ENV TAG_FSESL v2.3-beta-2
+ENV TAG_FSESL v2.3-beta-3
 RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG_FSESL/bbb-fsesl-client /bbb-fsesl-client \
     && rm -rf /bbb-fsesl-client/.svn
 
@@ -21,7 +21,7 @@ RUN cd /bbb-fsesl-client \
     && ./deploy.sh
 
 
-ENV TAG v2.3-beta-2
+ENV TAG v2.3-beta-3
 RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG/akka-bbb-fsesl /source \
     && rm -rf /source/.svn
 
diff --git a/mod/html5/Dockerfile b/mod/html5/Dockerfile
index 93a1196..44a1576 100644
--- a/mod/html5/Dockerfile
+++ b/mod/html5/Dockerfile
@@ -14,7 +14,7 @@ USER meteor
 ENV METEOR_VERSION 1.10.2
 RUN curl -sL https://install.meteor.com?release=$METEOR_VERSION | sed s/--progress-bar/-sL/g | /bin/sh
 
-ENV TAG v2.3-beta-2
+ENV TAG v2.3-beta-3
 RUN cd ~ \
     && svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG/bigbluebutton-html5 \
     && mv ~/bigbluebutton-html5 ~/source \
diff --git a/mod/html5/settings.yml b/mod/html5/settings.yml
index 1e5019c..dcb1481 100644
--- a/mod/html5/settings.yml
+++ b/mod/html5/settings.yml
@@ -20,7 +20,7 @@ public:
     appName: BigBlueButton HTML5 Client
     bbbServerVersion: 2.3-dev-docker
     copyright: '©2021 BigBlueButton Inc.'
-    html5ClientBuild: "1551-docker"
+    html5ClientBuild: "1588-docker"
     helpLink: https://bigbluebutton.org/html5/
     lockOnJoin: true
     cdn: ''
@@ -57,7 +57,7 @@ public:
       sendInvitationToIncludedModerators: false
     # https://github.com/bigbluebutton/bigbluebutton/pull/10826
     customHeartbeat: false
-    showAllAvailableLocales: false
+    showAllAvailableLocales: true
     defaultSettings:
       application:
         animations: true
@@ -638,16 +638,6 @@ private:
   serverLog:
     level: info
     streamerLog: false
-  memoryMonitoring:
-    stat:
-      enabled: false
-    leak:
-      enabled: false
-    heapdump:
-      thresholdMb: 1024
-      enabled: false
-      heapdumpFolderPath: HEAPDUMP_FOLDER
-      heapdumpIntervalMs: 3600000
   minBrowserVersions:
     - browser: chrome
       version: 72
diff --git a/mod/nginx/default.pdf b/mod/nginx/default.pdf
index 32374bc..3948688 100644
Binary files a/mod/nginx/default.pdf and b/mod/nginx/default.pdf differ