group 8.x-1.0-rc5

The "It's 4PM on a Friday night right before I go on a 2-week Xmas vacation, what could possibly go wrong?" release

Main improvements

• Performance, especially of node grants and permission related operations
• D8.8 support, although minimum supported version remains 8.6

What's next?

1. Fix whatever I broke now
2. #3013678: Implement the query access handling that was recently added to Entity API
3. Tag and release 1.0!

Full list of changes

• #2989280: Display "Add @bundle_label" instead of "Add group" when adding a group when only one group type
• #3069022: GroupMembership plugin wrongly describes reference as username not user
• #2880519: Allow Group UUID to be used as a token
• #3009758: Wrong URL for the Cancel button leads to Access denied
• #3062380: After update to rc3 /admin/group view (groups list) is not found
• #2909084: Removed deprecated method/Class QueryFactory calls from code base
• #3015252: Unnecessary plugin.manager.group_content_enabler injection in GroupContentRouteProvider
• #2832137: The Group classes are missing from attributes
• #3029878: Statically cache loadByEntity()
• #3102384: Make node grants actually use the new permission calculators.
• #3099331: Make sure the permission calculator works for non-current-user accounts
• #3066456: LogicException: The controller result claims to be providing relevant cache metadata, but leaked metadata was detected
• #3029857: Add index on group_content_field_data (type, entity_id)
• #3090833: Introduce more list cache tags for GroupContent
• #3061321: Uncaught exception in Nodes and Members tabs in rc3
• #3087589: Update VariationCache to mimic most recent version.
• #3061353: Replace deprecated EntityManager and add EntityFieldManager in GroupContentViewsData
• #3074558: Use dedicated cache bin for group permissions