• All apps: improved speed when searching with (many) custom-fields
• Install: non-package installs use now install-cli.php and composer, instead of myrepos (mr)
• Mail: meeting-request was not shown inside multipart/related
• CardDAV/Addressbook: fix accounts not synced for preference account-selection "groupmembers"
• CalDAV: work around Lighning not having synced event before accepting
• Calendar/Email: multiple users of external meeting request no longer overwrite each other status when accepting
• Addressbook: fix photo was lost when non-admin user edited own account