Synapse 1.14.0rc1 (2020-05-26)

Features

• Synapse's cache factor can now be configured in homeserver.yaml by the caches.global_factor setting. Additionally, caches.per_cache_factors controls the cache factors for individual caches. (#6391)
• Add OpenID Connect login/registration support. Contributed by Quentin Gliech, on behalf of les Connecteurs. (#7256, #7457)
• Add room details admin endpoint. Contributed by Awesome Technologies Innovationslabor GmbH. (#7317)
• Allow for using more than one spam checker module at once. (#7435)
• Add additional authentication checks for m.room.power_levels event per MSC2209. (#7502)
• Implement room version 6 per MSC2240. (#7506)
• Add highly experimental option to move event persistence off master. (#7281, #7374, #7436, #7440, #7475, #7490, #7491, #7492, #7493, #7495, #7515, #7516, #7517, #7542)

Bugfixes

• Fix a bug where event updates might not be sent over replication to worker processes after the stream falls behind. (#7384)
• Allow expired user accounts to log out their device sessions. (#7443)
• Fix a bug that would cause Synapse not to resync out-of-sync device lists. (#7453)
• Prevent rooms with 0 members or with invalid version strings from breaking group queries. (#7465)
• Workaround for an upstream Twisted bug that caused Synapse to become unresponsive after startup. (#7473)
• Fix Redis reconnection logic that can result in missed updates over replication if master reconnects to Redis without restarting. (#7482)
• When sending m.room.member events, omit displayname and avatar_url if they aren't set instead of setting them to null. Contributed by Aaron Raimist. (#7497)
• Fix incorrect method label on synapse_http_matrixfederationclient_{requests,responses} prometheus metrics. (#7503)
• Ignore incoming presence events from other homeservers if presence is disabled locally. (#7508)
• Fix a long-standing bug that broke the update remote profile background process. (#7511)
• Hash passwords as early as possible during password reset. (#7538)
• Fix bug where a local user leaving a room could fail under rare circumstances. (#7548)
• Fix "Missing RelayState parameter" error when using user interactive authentication with SAML for some SAML providers. (#7552)
• Fix exception 'GenericWorkerReplicationHandler' object has no attribute 'send_federation_ack', introduced in v1.13.0. (#7564)
• synctl now warns if it was unable to stop Synapse and will not attempt to start Synapse if nothing was stopped. Contributed by Romain Bouyé. (#6590)

Updates to the Docker image

• Update docker runtime image to Alpine v3.11. Contributed by @Starbix. (#7398)

Improved Documentation

• Update information about mapping providers for SAML and OpenID. (#7458)
• Add additional reverse proxy example for Caddy v2. Contributed by Jeff Peeler. (#7463)
• Fix copy-paste error in ServerNoticesConfig docstring. Contributed by @ptman. (#7477)
• Improve the formatting of reverse_proxy.md. (#7514)
• Change the systemd worker service to check that the worker config file exists instead of silently failing. Contributed by David Vo. (#7528)
• Minor clarifications to the TURN docs. (#7533)

Internal Changes

• Add typing annotations in synapse.federation. (#7382)
• Convert the room handler to async/await. (#7396)
• Improve performance of get_e2e_cross_signing_key. (#7428)
• Improve performance of mark_as_sent_devices_by_remote. (#7429, #7562)
• Add type hints to the SAML handler. (#7445)
• Remove storage method get_hosts_in_room that is no longer called anywhere. (#7448)
• Fix some typos in the notice_expiry templates. (#7449)
• Convert the federation handler to async/await. (#7459)
• Convert the search handler to async/await. (#7460)
• Add type hints to synapse.event_auth. (#7505)
• Convert the room member handler to async/await. (#7507)
• Add type hints to room member handler. (#7513)
• Fix typing annotations in tests.replication. (#7518)
• Remove some redundant Python 2 support code. (#7519)
• All endpoints now respond with a 200 OK for OPTIONS requests. (#7534, #7560)
• Synapse now exports detailed allocator statistics and basic GC timings as Prometheus metrics (pypy_gc_time_seconds_total and pypy_memory_bytes) when run under PyPy. Contributed by Ivan Shapovalov. (#7536)
• Remove Ubuntu Cosmic and Disco from the list of distributions which we provide .debs for, due to end-of-life. (#7539)
• Make worker processes return a stubbed-out response to GET /presence requests. (#7545)
• Optimise some references to hs.config. (#7546)
• On upgrade room only send canonical alias once. (#7547)
• Fix some indentation inconsistencies in the sample config. (#7550)
• Include synapse.http.site in type checking. (#7553)
• Fix some test code to not mangle stacktraces, to make it easier to debug errors. (#7554)
• Refresh apt cache when building dh_virtualenv docker image. (#7555)
• Stop logging some expected HTTP request errors as exceptions. (#7556, #7563)
• Convert sending mail to async/await. (#7557)
• Simplify reap_monthly_active_users. (#7558)