Synapse 1.109.0 (2024-06-18)

Fix the building of binary wheels for macOS by switching to macOS 12 CI runners. (#17319)

Synapse 1.109.0rc3 (2024-06-17)

When rolling back to a previous Synapse version and then forwards again to this release, don't require server operators to manually run SQL. (#17305, #17309)

Fix bug where one-time-keys were not always included in /sync response when using workers. Introduced in v1.109.0rc1. (#17275)
Fix bug where /sync could get stuck due to edge case in device lists handling. Introduced in v1.109.0rc1. (#17292)

Add the ability to auto-accept invites on the behalf of users. See the auto_accept_invites config option for details. (#17147)
Add experimental MSC3575 Sliding Sync /sync/e2ee endpoint for to-device messages and device encryption info. (#17167)
Support MSC3916 by adding unstable media endpoints to /_matrix/client. (#17213)
Add logging to tasks managed by the task scheduler, showing CPU and database usage. (#17219)

Fix deduplicating of membership events to not create unused state groups. (#17164)
Fix bug where duplicate events could be sent down sync when using workers that are overloaded. (#17215)
Ignore attempts to send to-device messages to bad users, to avoid log spam when we try to connect to the bad server. (#17240)
Fix handling of duplicate concurrent uploading of device one-time-keys. (#17241)
Fix reporting of default tags to Sentry, such as worker name. Broke in v1.108.0. (#17251)
Fix bug where typing updates would not be sent when using workers after a restart. (#17252)

Update the LemonLDAP documentation to say that claims should be explicitly included in the returned id_token, as Synapse won't request them. (#17204)

Improve DB usage when fetching related events. (#17083)
Log exceptions when failing to auto-join new user according to the auto_join_rooms option. (#17176)
Reduce work of calculating outbound device lists updates. (#17211)
Improve performance of calculating device lists changes in /sync. (#17216)
Move towards using MultiWriterIdGenerator everywhere. (#17226)
Replaces all usages of StreamIdGenerator with MultiWriterIdGenerator. (#17229)
Change the allow_unsafe_locale config option to also apply when setting up new databases. (#17238)
Fix errors in logs about closing incorrect logging contexts when media gets rejected by a module. (#17239, #17246)
Clean out invalid destinations from device_federation_outbox table. (#17242)
Stop logging errors when receiving invalid User IDs in key querys requests. (#17250)