19.0.6 RC1

[rullzer]

• [stable19] Check quota of subdirectories when uploading to them #24182 Check quota of subdirectories when uploading to them
• [stable19] circleId too short in some request #24195 CircleId too short in some request
• [stable19] Fix setting images through occ for theming #24233 Fix setting images through occ for theming
• [stable19] Simple typo in comments #24260 Simple typo in comments
• [stable19] Use correct year for generated birthdays events #24262 Use correct year for generated birthdays events
• [stable19] Delete files that exceed trashbin size immediately  #24296 Delete files that exceed trashbin size immediately
• [stable19] Update sabre/xml to fix XML parsing errors #24306 Update sabre/xml to fix XML parsing errors
• [stable19] Only check path for being accessible when the storage is a object home #24327 Only check path for being accessible when the storage is a object home
• [stable19] avoid empty null default with value that will be inserted anyways #24334 Avoid empty null default with value that will be inserted anyways
• [stable19] Fix contacts menu position and show uid as a tooltip #24343 Fix contacts menu position and show uid as a tooltip
• [stable19] Fix the config key on the sharing expire checkbox #24347 Fix the config key on the sharing expire checkbox
• [stable19] set the display name of federated sharees from addressbook #24354 Set the display name of federated sharees from addressbook
• [stable19] Catch storage not available in versions expire command #24368 Catch storage not available in versions expire command
• [stable19] Avoid substr() error when strpos returns false #24370 Avoid substr() error when strpos returns false
• [stable19] Properly encode path when fetching inherited shares #24386 Properly encode path when fetching inherited shares
• [stable19] formatting remote sharer should take protocol, path into account #24392 Formatting remote sharer should take protocol, path into account
• [stable19] Make sure we add new line between vcf groups exports #24444 Make sure we add new line between vcf groups exports
• [stable19] Fix public calendars shared to circles #24447 Fix public calendars shared to circles
• [stable19] Store scss variables under a different prefix for each theming config version #24452 Store scss variables under a different prefix for each theming config version
• [stable19] external storages: save group ids not display names in configuration #24457 External storages: save group ids not display names in configuration
• [stable19] Use correct l10n source in files_sharing JS code #24463 Use correct l10n source in files_sharing JS code
• [stable19] Update ScanLegacyFormat.php #24480 Update ScanLegacyFormat.php
• [stable19] Only attempt to move to trash if a file is not in appdata #24484 Only attempt to move to trash if a file is not in appdata
• [stable19] fix loading mtime of new file in conflict dialog in firefox #24492 Fix loading mtime of new file in conflict dialog in firefox
• [stable19] Harden setup check for TLS version if host is not reachable #24503 Harden setup check for TLS version if host is not reachable
• [stable19] Fix file size computation on 32bit platforms #24508 Fix file size computation on 32bit platforms
• [stable19] set mountid for personal external storage mounts #24514 Set mountid for personal external storage mounts
• [stable19] Only execute plain mimetype check for directories and do the fallback… #24518 Only execute plain mimetype check for directories and do the fallback…
• [stable19] Fix vsprint parameter #24528 Fix vsprint parameter
• 3rdparty#530 Update sabre/xml to fix XML parsing errors
• 3rdparty#531 Use composer v1 on CI
• text#1182 Also register to urlChanged event to update RichWorkspace

[MorrisJobke]

Ready for review 🚀