17.0.3 RC1

[rullzer]

• [stable17] Fix comments search result to work with multibyte strings #18399 Fix comments search result to work with multibyte strings
• [stable17] Fix listing users in groups with slash in the name #18467 Fix listing users in groups with slash in the name
• [stable17] Fix Office preview generation #18475 Fix Office preview generation
• [stable17] Use File Node API for more download cases, skip unreadable files #18488 Use File Node API for more download cases, skip unreadable files
• [stable17] Restore old behavior allowing to set custom appstore #18694 Restore old behavior allowing to set custom appstore
• [stable17] Fix broken upgrade caused by undefined method call #18706 Fix broken upgrade caused by undefined method call
• [stable17] Trash bin: fix exception triggered if no correct fileId is provided. #18734 Trash bin: fix exception triggered if no correct fileId is provided.
• [stable17] cache group existence early to save useless requests to LDAP #18747 Cache group existence early to save useless requests to LDAP
• [stable17] Do not rerender the selection menu on show #18758 Do not rerender the selection menu on show
• [stable17] Set direct login after password reset #18792 Set direct login after password reset
• [stable17] Properly handle resources in ReminderService #18880 Properly handle resources in ReminderService
• [stable17] dont throw undefined index errors for storages that have no owner set #18932 Dont throw undefined index errors for storages that have no owner set
• [stable17] Always use the latest timestamp for merged activities #19014 Always use the latest timestamp for merged activities
• [stable17] Fix loaded controller check #19069 Fix loaded controller check
• [stable17] when a user was deleted remove them from applicable list, unless... #19076 When a user was deleted remove them from applicable list, unless...