diff --git a/admin/inc/class.admin_mail.inc.php b/admin/inc/class.admin_mail.inc.php
index 60a07707a3..6c16e59c2a 100644
--- a/admin/inc/class.admin_mail.inc.php
+++ b/admin/inc/class.admin_mail.inc.php
@@ -176,7 +176,7 @@ class admin_mail
 	 * Step 1: IMAP account
 	 *
 	 * @param array $content
-	 * @param type $msg
+	 * @param string $msg
 	 */
 	public function add(array $content=array(), $msg='', $msg_type='success')
 	{
diff --git a/admin/templates/default/mailaccount.xet b/admin/templates/default/mailaccount.xet
index 79e20d5923..0aac424c4e 100644
--- a/admin/templates/default/mailaccount.xet
+++ b/admin/templates/default/mailaccount.xet
@@ -338,7 +338,7 @@
 				<row class="emailadmin_no_user dialogHeader2">
 					<description for="account_id" value="Valid for"/>
 					<hbox>
-						<select type="select-account" id="account_id" onchange="app.admin.account_hide_not_applying" options="Everyone,both" multiple="dynamic"/>
+						<select-account account_type="both" id="account_id" onchange="app.admin.account_hide_not_applying" empty_label="Everyone" multiple="dynamic"/>
 						<buttononly label="Select multiple" id="button[multiple]" onclick="app.admin.edit_multiple" options="users"/>
 						<checkbox label="account editable by user" id="acc_user_editable"/>
 					</hbox>
diff --git a/api/setup/setup.inc.php b/api/setup/setup.inc.php
index a27b31dba5..0bf953f401 100644
--- a/api/setup/setup.inc.php
+++ b/api/setup/setup.inc.php
@@ -14,7 +14,7 @@ $setup_info['api']['title']     = 'EGroupware API';
 $setup_info['api']['version']   = '21.1.001';
 $setup_info['api']['versions']['current_header'] = '1.29';
 // maintenance release in sync with changelog in doc/rpm-build/debian.changes
-$setup_info['api']['versions']['maintenance_release'] = '21.1.20210923';
+$setup_info['api']['versions']['maintenance_release'] = '21.1.20211130';
 $setup_info['api']['enable']    = 3;
 $setup_info['api']['app_order'] = 1;
 $setup_info['api']['license'] = 'GPL';
diff --git a/api/src/Contacts.php b/api/src/Contacts.php
index 0d62b55de2..3345d52142 100755
--- a/api/src/Contacts.php
+++ b/api/src/Contacts.php
@@ -764,7 +764,7 @@ class Contacts extends Contacts\Storage
 				$data[$name] = DateTime::server2user($data[$name], $date_format);
 			}
 		}
-		$data['photo'] = $this->photo_src($data['id'],!empty($data['jpegphoto']) || (($data['files']??0) & self::FILES_BIT_PHOTO), '', $data['etag'] ?? null);
+		$data['photo'] = $this->photo_src($data['id'] ?? null,!empty($data['jpegphoto']) || (($data['files']??0) & self::FILES_BIT_PHOTO), '', $data['etag'] ?? null);
 
 		// set freebusy_uri for accounts
 		if (empty($data['freebusy_uri']) && empty($data['owner']) && !empty($data['account_id']) && empty($GLOBALS['egw_setup']))
diff --git a/api/src/Contacts/Sql.php b/api/src/Contacts/Sql.php
index 50c7edd81d..7ac0647636 100644
--- a/api/src/Contacts/Sql.php
+++ b/api/src/Contacts/Sql.php
@@ -482,13 +482,13 @@ class Sql extends Api\Storage
 		$owner = isset($filter['owner']) ? $filter['owner'] : (isset($criteria['owner']) ? $criteria['owner'] : null);
 
 		// fix cat_id criteria to search in comma-separated multiple cats and return subcats
-		if (is_array($criteria) && ($cats = $criteria['cat_id']))
+		if (is_array($criteria) && !empty($criteria['cat_id']))
 		{
 			$criteria = array_merge($criteria, $this->_cat_search($criteria['cat_id']));
 			unset($criteria['cat_id']);
 		}
 		// fix cat_id filter to search in comma-separated multiple cats and return subcats
-		if (($cats = $filter['cat_id']))
+		if (!empty($filter['cat_id']))
 		{
 			if ($filter['cat_id'][0] == '!')
 			{
@@ -680,7 +680,7 @@ class Sql extends Api\Storage
 		{
 			$extra_cols[$key] = "$shared_with AS shared_with";
 		}
-		switch ((string)$filter['shared_with'])
+		switch ($filter['shared_with'] ?? '')
 		{
 			case '':	// filter not set
 				break;
diff --git a/api/src/Contacts/Storage.php b/api/src/Contacts/Storage.php
index fe2b3b4531..8d6366de18 100755
--- a/api/src/Contacts/Storage.php
+++ b/api/src/Contacts/Storage.php
@@ -655,7 +655,7 @@ class Storage
 		//error_log(__METHOD__.'('.array2string($criteria,true).','.array2string($only_keys).",'$order_by','$extra_cols','$wildcard','$empty','$op',".array2string($start).','.array2string($filter,true).",'$join')");
 
 		// Handle 'None' country option
-		if(is_array($filter) && $filter['adr_one_countrycode'] == '-custom-')
+		if(is_array($filter) && isset($filter['adr_one_countrycode']) && $filter['adr_one_countrycode'] === '-custom-')
 		{
 			$filter[] = 'adr_one_countrycode IS NULL';
 			unset($filter['adr_one_countrycode']);
diff --git a/api/src/Db.php b/api/src/Db.php
index 4963bd6075..33f2d02ffd 100644
--- a/api/src/Db.php
+++ b/api/src/Db.php
@@ -1630,9 +1630,10 @@ class Db
 				$not_null = is_array($column_definitions) && isset($column_definitions[$col]['nullable']) ? !$column_definitions[$col]['nullable'] : false;
 
 				$maxlength = null;
-				if ($truncate_varchar)
+				if ($truncate_varchar && !is_int($col) && isset($column_definitions[$col]) &&
+					in_array($column_definitions[$col]['type'], ['varchar','ascii']))
 				{
-					$maxlength = in_array($column_definitions[$col]['type'], array('varchar','ascii')) ? $column_definitions[$col]['precision'] : null;
+					$maxlength = $column_definitions[$col]['precision'];
 				}
 				// dont use IN ( ), if there's only one value, it's slower for MySQL
 				if (is_array($data) && count($data) <= 1)
diff --git a/api/src/Db/Backup.php b/api/src/Db/Backup.php
index b2304fdcfd..77155650a4 100644
--- a/api/src/Db/Backup.php
+++ b/api/src/Db/Backup.php
@@ -67,6 +67,10 @@ class Backup
 	 * @var string|boolean
 	 */
 	var $egw_tables = false;
+	/**
+	 * Regular expression to identify a Guacamole table OR view
+	 */
+	const GUACAMOLE_REGEXP = '/^guacamole_/';
 	/**
 	 * Backup directory.
 	 *
@@ -360,6 +364,8 @@ class Backup
 		if (substr($this->db->Type,0,5) == 'mysql')
 		{
 			$this->db->query("SET SESSION sql_mode=(SELECT REPLACE(REPLACE(@@sql_mode,'STRICT_ALL_TABLES',''),'STRICT_TRANS_TABLES',''))", __LINE__, __FILE__);
+			// disable foreign key checks, in case Guacamole is installed
+			$this->db->query('SET FOREIGN_KEY_CHECKS = 0');
 		}
 		else
 		{
@@ -371,7 +377,9 @@ class Backup
 		foreach($this->adodb->MetaTables('TABLES') as $table)
 		{
 			if ($this->system_tables && preg_match($this->system_tables,$table) ||
-				$this->egw_tables && !preg_match($this->egw_tables,$table))
+				$this->egw_tables && !preg_match($this->egw_tables,$table) ||
+				// do NOT drop Guacamole tables and views
+				preg_match(self::GUACAMOLE_REGEXP, $table))
 			{
 				 continue;
 			}
@@ -513,7 +521,7 @@ class Backup
 
 			if (substr($line,0,9) == 'version: ')
 			{
-				// currenty not used: $api_version = trim(substr($line,9));
+				// currently not used: $api_version = trim(substr($line,9));
 				continue;
 			}
 			if (substr($line,0,9) == 'charset: ')
@@ -536,6 +544,12 @@ class Backup
 				$this->schemas = json_php_unserialize(trim(substr($line,8)));
 				foreach($this->schemas as $table_name => $schema)
 				{
+					// do NOT create GUACAMOLE tables, just truncate them (as we have no abstraction to create the foreign keys)
+					if (preg_match(self::GUACAMOLE_REGEXP, $table_name))
+					{
+						$this->db->query('TRUNCATE TABLE '.$this->db->name_quote($table_name));
+						continue;
+					}
 					// if column is longtext in current schema, convert text to longtext, in case user already updated column
 					foreach($schema['fd'] as $col => &$def)
 					{
@@ -566,7 +580,7 @@ class Backup
 				{
 					if ($data['type'] == 'blob') $blobs[] = $col;
 				}
-				// check if we have an old PostgreSQL backup useing 't'/'f' for bool values
+				// check if we have an old PostgreSQL backup using 't'/'f' for bool values
 				// --> convert them to MySQL and our new PostgreSQL format of 1/0
 				$bools = array();
 				foreach($this->schemas[$table]['fd'] as $col => $def)
diff --git a/api/src/Etemplate.php b/api/src/Etemplate.php
index 45e88ae271..92ad59c96b 100644
--- a/api/src/Etemplate.php
+++ b/api/src/Etemplate.php
@@ -119,22 +119,22 @@ class Etemplate extends Etemplate\Widget\Template
 			{
 				if (!empty($extra['data']) && is_array($extra['data']))
 				{
-					$content = array_merge($content, $extra['data']);
+					$content = array_merge_recursive($content, $extra['data']);
 				}
 
 				if (!empty($extra['preserve']) && is_array($extra['preserve']))
 				{
-					$preserv = array_merge($preserv, $extra['preserve']);
+					$preserv = array_merge_recursive($preserv, $extra['preserve']);
 				}
 
 				if (!empty($extra['readonlys']) && is_array($extra['readonlys']))
 				{
-					$readonlys = array_merge($readonlys, $extra['readonlys']);
+					$readonlys = array_merge_recursive($readonlys, $extra['readonlys']);
 				}
 
 				if (!empty($extra['sel_options']) && is_array($extra['sel_options']))
 				{
-					$sel_options = array_merge($sel_options, $extra['sel_options']);
+					$sel_options = array_merge_recursive($sel_options, $extra['sel_options']);
 				}
 			}
 		}
diff --git a/api/src/Etemplate/Widget.php b/api/src/Etemplate/Widget.php
index d78f90a5b4..96dfc4c12a 100644
--- a/api/src/Etemplate/Widget.php
+++ b/api/src/Etemplate/Widget.php
@@ -569,7 +569,10 @@ class Widget
 				$types = $paramType instanceof \ReflectionUnionType
 					? $paramType->getTypes()
 					: [$paramType];
-				if(in_array('array', array_map(fn(\ReflectionNamedType $t) => $t->getName(), $types)) && !is_array($params[$index]))
+				if(in_array('array', array_map(static function(\ReflectionNamedType $t)
+				{
+					return $t->getName();
+				}, $types)) && !is_array($params[$index]))
 				{
 					error_log("$method_name expects an array for {$param->getPosition()}: {$param->getName()}");
 					$params[$index] = (array)$params[$index];
diff --git a/api/src/Etemplate/Widget/File.php b/api/src/Etemplate/Widget/File.php
index add9a199e9..db1f92bacd 100644
--- a/api/src/Etemplate/Widget/File.php
+++ b/api/src/Etemplate/Widget/File.php
@@ -75,11 +75,32 @@ class File extends Etemplate\Widget
 			return;
 		}
 
-		if (!($template = Template::instance(self::$request->template['name'], self::$request->template['template_set'],
-			self::$request->template['version'], self::$request->template['load_via'])))
-		{
-			// Can't use callback
-			error_log("Could not get template for file upload, callback skipped");
+		try {
+			if (!($template = Template::instance(self::$request->template['name'], self::$request->template['template_set'],
+				self::$request->template['version'], self::$request->template['load_via'])))
+			{
+				// Can't use callback
+				error_log("Could not get template for file upload, callback skipped");
+			}
+		}
+		catch (\Error $e) {
+			// retry 3 times, in case the problem (Call to undefined method EGroupware\Api\Etemplate\Widget\Vfs::set_attrs()) is caused by something internal in PHP 8.0
+			if (!isset($_REQUEST['retry']) || $_REQUEST['retry'] < 3)
+			{
+				$url = Api\Header\Http::schema().'://'.Api\Header\Http::host().$_SERVER['REQUEST_URI'];
+				if (strpos($url, '&retry=') === false)
+				{
+					$url .= '&retry=1';
+				}
+				else
+				{
+					$url = preg_replace('/&retry=\d+/', '&retry='.($_REQUEST['retry']+1), $url);
+				}
+				header('Location: '.$url);
+				http_response_code(307);
+				exit;
+			}
+			throw new \Error('Error instantiating template '.json_encode(self::$request->template).', $_REQUEST='.json_encode($_REQUEST).': '.$e->getMessage(), $e->getCode(), $e);
 		}
 
 		$file_data = array();
diff --git a/calendar/inc/class.calendar_ui.inc.php b/calendar/inc/class.calendar_ui.inc.php
index 9f1f12bdf5..ea0fb14378 100644
--- a/calendar/inc/class.calendar_ui.inc.php
+++ b/calendar/inc/class.calendar_ui.inc.php
@@ -578,9 +578,9 @@ class calendar_ui
 			// ignore failed discovery
 			unset($e);
 		}
-		if ($GLOBALS['egw_info']['user']['preferences']['calendar']['document_dir'])
+		if($GLOBALS['egw_info']['user']['preferences']['calendar']['document_dir'])
 		{
-			$sel_options['merge'] = calendar_merge::get_documents($GLOBALS['egw_info']['user']['preferences']['calendar']['document_dir'], '', null,'calendar');
+			$sel_options['merge'] = calendar_merge::get_documents($GLOBALS['egw_info']['user']['preferences']['calendar']['document_dir'], '', null, 'calendar');
 
 		}
 		else
@@ -588,6 +588,22 @@ class calendar_ui
 			$readonlys['merge'] = true;
 		}
 
+		// Add integration UI into sidemenu
+		$integration_data = Api\Hooks::process(array('location' => 'calendar_search_union'));
+		foreach($integration_data as $app => $app_hooks)
+		{
+			foreach($app_hooks as $data)
+			{
+				// App might have multiple hooks, let it specify something else
+				$app = $data['selects']['app'] ?: $app;
+
+				if(array_key_exists('sidebox_template', $data))
+				{
+					$cont['integration'][] = ['template' => $data['sidebox_template'], 'app' => $app];
+				}
+			}
+		}
+
 		// Sidebox?
 		$sidebox->exec('calendar.calendar_ui.sidebox_etemplate', $cont, $sel_options, $readonlys);
 	}
diff --git a/calendar/js/app.ts b/calendar/js/app.ts
index 3d5c4721b1..ba038227b3 100644
--- a/calendar/js/app.ts
+++ b/calendar/js/app.ts
@@ -861,10 +861,14 @@ export class CalendarApp extends EgwApp
 
 		if(action.checked)
 		{
-			integration_preference.push(app);
+			if(integration_preference.indexOf(app) === -1)
+			{
+				integration_preference.push(app);
+			}
 
 			// After the preference change is done, get new info which should now include the app
-			callback = callback ? callback : function() {
+			callback = callback ? callback : function()
+			{
 				this._fetch_data(this.state);
 			}.bind(this);
 		}
diff --git a/calendar/templates/default/sidebox.xet b/calendar/templates/default/sidebox.xet
index e9b49be025..52d0fa1153 100644
--- a/calendar/templates/default/sidebox.xet
+++ b/calendar/templates/default/sidebox.xet
@@ -14,27 +14,52 @@ Egroupware
 <overlay>
     <template id="calendar.sidebox">
 		<vbox parent_node="calendar-et2_target">
-			<buttononly id="header_today" label="•" icon="nope" onclick="
+            <buttononly id="header_today" label="•" icon="nope" onclick="
 var tempDate = new Date();
 var today = new Date(tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate(),0,-tempDate.getTimezoneOffset(),0);
 var change = {date: today.toJSON()};
 app.calendar.update_state(change);
 widget.getRoot().getWidgetById('date').set_value(today);
 return false;"/>
-			<buttononly id="header_go" label="&#8629;" icon="nope" class="ui-corner-all" onclick="var change = {date: widget.btn.attr('data-date')}; if ( app.calendar.state.view == 'listview') {change.filter='month';} else if (app.calendar.state.view == 'planner') {} else {change.view = 'month';}app.calendar.update_state(change);" />
-			<date id="date" class="et2_fullWidth" inline="true" onchange="var view_change = app.calendar.sidebox_changes_views.indexOf(app.calendar.state.view);
+            <buttononly id="header_go" label="&#8629;" icon="nope" class="ui-corner-all"
+                        onclick="var change = {date: widget.btn.attr('data-date')}; if ( app.calendar.state.view == 'listview') {change.filter='month';} else if (app.calendar.state.view == 'planner') {} else {change.view = 'month';}app.calendar.update_state(change);"/>
+            <date id="date" class="et2_fullWidth" inline="true" onchange="var view_change = app.calendar.sidebox_changes_views.indexOf(app.calendar.state.view);
 var update = {date:widget.getValue()};
 if(view_change >= 0) {update.view = app.calendar.sidebox_changes_views[view_change ? view_change - 1 : view_change];} else if (app.calendar.state.view == 'listview') {update.filter = 'after';} else if (app.calendar.state.view =='planner') { update.planner_view = 'day'; } app.calendar.update_state(update);"/>
-			<textbox type="hidden" id="first"/>
-			<textbox type="hidden" id="last"/>
-			<hrule/>
-			<select-cat id="cat_id" empty_label="All categories" width="86%" onchange="app.calendar.update_state({cat_id: widget.getValue()});" expand_multiple_rows="4"/>
-			<select id="status_filter" no_lang="true" class="et2_fullWidth" onchange="app.calendar.update_state({status_filter: widget.getValue()});"/>
-			<hrule/>
-			<calendar-owner id="owner" class="et2_fullWidth" onchange="app.calendar.update_state({owner: widget.getValue()}); return false;" multiple="true" allowFreeEntries="false" autocomplete_params="{&quot;checkgrants&quot;: true}"/>
-			<hrule/>
-			<select id="merge" empty_label="Insert in document" onchange="app.calendar.sidebox_merge" class="et2_fullWidth"/>
-		</vbox>
-		<iframe id="iframe" width="100%" height="100%"/>
-	</template>
+            <textbox type="hidden" id="first"/>
+            <textbox type="hidden" id="last"/>
+            <hrule/>
+            <select-cat id="cat_id" empty_label="All categories" width="86%"
+                        onchange="app.calendar.update_state({cat_id: widget.getValue()});" expand_multiple_rows="4"/>
+            <select id="status_filter" no_lang="true" class="et2_fullWidth"
+                    onchange="app.calendar.update_state({status_filter: widget.getValue()});"/>
+            <hrule/>
+            <calendar-owner id="owner" class="et2_fullWidth"
+                            onchange="app.calendar.update_state({owner: widget.getValue()}); return false;"
+                            multiple="true" allowFreeEntries="false"
+                            autocomplete_params="{&quot;checkgrants&quot;: true}"/>
+            <hrule/>
+            <select id="merge" empty_label="Insert in document" onchange="app.calendar.sidebox_merge"
+                    class="et2_fullWidth"/>
+            <box>
+                <grid id="integration" disabled="!@integration" width="100%">
+                    <columns>
+                        <column/>
+                    </columns>
+                    <rows>
+                        <row>
+                            <template id="$row_cont[template]" width="100%" content="$row_cont[app]"/>
+                        </row>
+                    </rows>
+                </grid>
+            </box>
+        </vbox>
+        <iframe id="iframe" width="100%" height="100%"/>
+        <styles>
+            #calendar-sidebox_integration: {
+            display: table;
+            width: 100%
+            }
+        </styles>
+    </template>
 </overlay>
diff --git a/composer.json b/composer.json
index b4e83f4cd3..09ceb30f9d 100644
--- a/composer.json
+++ b/composer.json
@@ -118,7 +118,7 @@
 		"egroupware/tracker": "self.version",
 		"egroupware/util": "^2.6.2",
 		"egroupware/webdav": "^v0.3.2",
-		"egroupware/z-push-dev": "^2.5",
+		"egroupware/z-push-dev": "2.5.0.1",
 		"giggsey/libphonenumber-for-php": "^8.12",
 		"npm-asset/as-jqplot": "1.0.*",
 		"npm-asset/gridster": "0.5.*",
diff --git a/composer.lock b/composer.lock
index 7482831c9f..f2e0282618 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "beeabf26cf7c537dea75e236217d44c6",
+    "content-hash": "393ec43e69c00afa115414c62789e29a",
     "packages": [
         {
             "name": "adldap2/adldap2",
@@ -207,7 +207,7 @@
             "version": "v2.3.4",
             "source": {
                 "type": "git",
-                "url": "https://github.com/fengyuanchen/cropper.git",
+                "url": "git@github.com:fengyuanchen/cropper.git",
                 "reference": "30c58b29ee21010e17e58ebab165fbd84285c685"
             },
             "dist": {
@@ -305,7 +305,7 @@
             "version": "1.12.4",
             "source": {
                 "type": "git",
-                "url": "https://github.com/jquery/jquery-dist.git",
+                "url": "git@github.com:jquery/jquery-dist.git",
                 "reference": "5e89585e0121e72ff47de177c5ef604f3089a53d"
             },
             "dist": {
@@ -1924,16 +1924,16 @@
         },
         {
             "name": "egroupware/z-push-dev",
-            "version": "2.5.0",
+            "version": "2.5.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/EGroupware/z-push.git",
-                "reference": "32da00e1024038a8f57c8a185c671179c3922ebe"
+                "reference": "7774018b19b5b55e24dbd1107693496597ab70ee"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/EGroupware/z-push/zipball/32da00e1024038a8f57c8a185c671179c3922ebe",
-                "reference": "32da00e1024038a8f57c8a185c671179c3922ebe",
+                "url": "https://api.github.com/repos/EGroupware/z-push/zipball/7774018b19b5b55e24dbd1107693496597ab70ee",
+                "reference": "7774018b19b5b55e24dbd1107693496597ab70ee",
                 "shasum": ""
             },
             "require": {
diff --git a/doc/rpm-build/debian.changes b/doc/rpm-build/debian.changes
index 0921b8a732..69530644ae 100644
--- a/doc/rpm-build/debian.changes
+++ b/doc/rpm-build/debian.changes
@@ -1,3 +1,29 @@
+egroupware-docker (21.1.20211130) hardy; urgency=low
+
+  * PHP 8.0: tons of fixes to support 8.0, this is probably the last container using PHP 7.4 by default
+  * Addressbook: new REST API for contacts https://github.com/EGroupware/egroupware/tree/master/doc/REST-CalDAV-CardDAV
+  * LDAP/Addressbook: fix region contains for given country invalid value gives an LDAP error on update
+  * Admin/Filemanager: correctly encode user "WORKGROUP\$user" for SMB mounts and do NOT require mountpoints to exist
+  * Filemanager: fix not working variables eg. $user in GUI mount (Admin > Filemanager)
+  * Filemanager: fix video controller not working in filemanager gallery
+  * Filemanager: add action to unlock files
+  * Filemanager: fix super user could not remove other users' subscriptions
+  * Filemanager: add actions to convert editable files to PDF or PNG and a checkbox to merge file as PDF
+  * Collabora: merge placeholder dialogs
+  * All apps: add preference to set directory and filename of merged documents using placeholders
+  * Calendar: fix changing the recurrence end date did not add/remove the events in the UI
+  * InfoLog: fix not working overwrite check (optimistic locking) plus incrementing etag
+  * Mail: make sure pressing [del] key twice in a row does not delete the first row on the second press
+  * Mail: add set flags action into mail filters
+  * Mail: implements date extension for vacation rule. None imap admin user can also set vacation rule by date.
+  * Kanban: fix deleting card did not delete link to the board (includes a DB update to remove orphans from links)
+  * Resources: add inventory number to resource list columns
+  * smallPART/PostgreSQL: fix SQL error when opening a course
+  * smallPART/PostgreSQL: fix SQL error during update (you need to restore egw_smallpart* tables AND set egw_applications.app_version='21.1')
+  * API: update jQuery-ui to 1.13.0 and TinyMCE to 5.10.1
+
+ -- Ralf Becker <rb@egroupware.org>  Tue, 30 Nov 2021 09:11:56 +0100
+
 egroupware-docker (21.1.20210923) hardy; urgency=low
 
   * smallPART: many new features and improvements for the new semester: