18.0.3 RC1

[rullzer]

• [stable18] Use contacts name on federated activities #19879 [stable18] Use contacts name on federated activities
• [stable18] Allow to edit admin/own user in the user management  #19882 [stable18] Allow to edit admin/own user in the user management
• [stable18] Fix hostname in Apple configuration profile #19884 [stable18] Fix hostname in Apple configuration profile
• [stable18] Don't break when one remote share is down #19886 [stable18] Don't break when one remote share is down
• [stable18] Properly emit Viewer event on files and files_sharing #19897 [stable18] Properly emit Viewer event on files and files_sharing
• [stable18] Get correct mimetype on objectstores #19916 [stable18] Get correct mimetype on objectstores
• [stable18] Properly respect hide download on sharebymail #19921 [stable18] Properly respect hide download on sharebymail
• [stable18] Use placeholder values for password fields in external storage webui #19922 [stable18] Use placeholder values for password fields in external storage webui
• [stable18] Do not use the instance name as user part of from mail addresses #19924 [stable18] Do not use the instance name as user part of from mail addresses
• [stable18] Don't allow anchors and queries in remote urls #19933 [stable18] Don't allow anchors and queries in remote urls
• [stable18] fix external storage controller tests #19940 [stable18] fix external storage controller tests
• [Security] Bump acorn from 6.3.0 to 6.4.1 #19945 Bump acorn from 6.3.0 to 6.4.1
• [stable18] properly set 'hide_download' as integer #19950 [stable18] properly set 'hide_download' as integer
• [stable18] fix safari useragent for versions with 3 digits #19966 [stable18] fix safari useragent for versions with 3 digits
• [stable18] Fix default action for deleted shares #19982 [stable18] Fix default action for deleted shares
• [stable18] Default value of lookupServerEnabled should be the same everywhere #19998 [stable18] Default value of lookupServerEnabled should be the same everywhere
• firstrunwizard#301 Bump acorn from 7.1.0 to 7.1.1
• photos#239 Bump acorn from 6.3.0 to 6.4.1
• viewer#422 Public pages compatibility
• viewer#425 Bump acorn from 5.7.3 to 5.7.4

Pending PRs:

• [stable18] Only do regular polling of storage statistics if session_keepalive is enabled #19999 [stable18] Only do regular polling of storage statistics if session_keepalive is enabled @backportbot-nextcloud
• [stable18] Fix single "ScopeContext" passed to "setScopes" #20001 [stable18] Fix single "ScopeContext" passed to "setScopes" @backportbot-nextcloud