⛔ Do NOT merge ⛔

Changelog

• Fixes the upload progress bar layout - 14 backport #11039 Fixes the upload progress bar layout - 14 backport
• [stable14] Fix markup and style of mentions in comments #11077 [stable14] Fix markup and style of mentions in comments
• [stable14] Do not invalidate main token on OAuth #11090 [stable14] Do not invalidate main token on OAuth
• [stable14] Expire tokens hardening #11103 [stable14] Expire tokens hardening
• [14] fix js files client for user names with spaces #11152 [14] fix js files client for user names with spaces
• [stable14] Fix user and group listing with users that have an integer user id #11186 [stable14] Fix user and group listing with users that have an integer user id
• [stable14] Fix exception class #11187 [stable14] Fix exception class
• [14] Remove posix_getpwuid and compare only userid #11191 [14] Remove posix_getpwuid and compare only userid
• [stable14] fix check for more users in sharing dialogue #11201 [stable14] fix check for more users in sharing dialogue
• [stable14] Remove filter_var flags due to PHP 7.3 deprecation, fixes #10894 #11237 [stable14] Remove filter_var flags due to PHP 7.3 deprecation, fixes Deprecated php warning #10894
• [stable14] Fix size of icons in menus inside apps when shown as images #11276 [stable14] Fix size of icons in menus inside apps when shown as images
• [stable14] Prevent comment being composed from overlapping the submit button #11277 [stable14] Prevent comment being composed from overlapping the submit button
• [stable14] replace setcookie value with '' instead of null. #11280 [stable14] replace setcookie value with '' instead of null.
• [stable14] Fix the link and anchor for the update notifications #11282 [stable14] Fix the link and anchor for the update notifications
• [stable14] Include empty directories in the default state of acceptance tests #11283 [stable14] Include empty directories in the default state of acceptance tests
• [stable14] Get permission of storage for shares #11287 [stable14] Get permission of storage for shares
• [stable14] Shared by info for room shares without names #11288 [stable14] Shared by info for room shares without names
• [stable14] Fix icons cacher regex for compressed output #11291 [stable14] Fix icons cacher regex for compressed output
• [stable14] Revert "Use APCu caching of composer" #11293 [stable14] Revert "Use APCu caching of composer"
• [stable14] Use user locale as default in the template  #11294 [stable14] Use user locale as default in the template
• [stable14] Fix expiration code of tokens #11302 [stable14] Fix expiration code of tokens
• activity#295 14 scroll fix
• files_texteditor#111 Update stable14 target versions
• firstrunwizard#80 Update stable14 target versions
• gallery#467 Update stable14 target versions
• nextcloud_announcements#32 Update stable14 target versions
• notifications#158 Update stable14 target versions
• notifications#161 [stable14] Update config and babel for ie11