Synapse 1.87.0 (2023-07-04)

Please note that this will be the last release of Synapse that is compatible with
Python 3.7 and earlier.
This is due to Python 3.7 now having reached End of Life; see our deprecation policy
for more details.

Bugfixes

• Pin pydantic to ^1.7.4 to avoid backwards-incompatible API changes from the 2.0.0 release.
  Resolves #15858.
  Contributed by @PaarthShah. (#15862)

Internal Changes

• Split out 2022 changes from the changelog so the rendered version in GitHub doesn't timeout as much. (#15846)

Synapse 1.87.0rc1 (2023-06-27)

Features

• Improve /messages response time by avoiding backfill when we already have messages to return. (#15737)
• Add spam checker module API for logins. (#15838)

Bugfixes

• Fix a long-standing bug where media files were served in an unsafe manner. Contributed by @joshqou. (#15680)
• Avoid invalidating a cache that was just prefilled. (#15758)
• Fix requesting multiple keys at once over federation, related to MSC3983. (#15770)
• Fix joining rooms through aliases where the alias server isn't a real homeserver. Contributed by @tulir @ Beeper. (#15776)
• Fix a bug in push rules handling leading to an invalid (per spec) is_user_mention rule sent to clients. Also fix wrong rule names for is_user_mention and is_room_mention. (#15781)
• Fix a bug introduced in 1.57.0 where the wrong table would be locked on updating database rows when using SQLite as the database backend. (#15788)
• Fix Sytest environmental variable evaluation in CI. (#15804)
• Fix forgotten rooms missing from initial sync after rejoining them. Contributed by Nico from Famedly. (#15815)
• Fix sqlite user_filters upgrade introduced in v1.86.0. (#15817)

Improved Documentation

• Document looping_call() functionality that will wait for the given function to finish before scheduling another. (#15772)
• Fix a typo in the Admin API. (#15805)
• Fix typo in MSC number in faster remote room join architecture doc. (#15812)

Deprecations and Removals

• Remove experimental MSC2716 implementation to incrementally import history into existing rooms. (#15748)

Internal Changes

• Replace EventContext fields prev_group and delta_ids with field state_group_deltas. (#15233)
• Regularly try to send transactions to other servers after they failed instead of waiting for a new event to be available before trying. (#15743)
• Fix requesting multiple keys at once over federation, related to MSC3983. (#15755)
• Allow for the configuration of max request retries and min/max retry delays in the matrix federation client. (#15783)
• Switch from matrix:// to matrix-federation:// scheme for internal Synapse routing of outbound federation traffic. (#15806)
• Fix harmless exceptions being printed when running the port DB script. (#15814)

Updates to locked dependencies

• Bump attrs from 22.2.0 to 23.1.0. (#15801)
• Bump cryptography from 40.0.2 to 41.0.1. (#15800)
• Bump ijson from 3.2.0.post0 to 3.2.1. (#15802)
• Bump phonenumbers from 8.13.13 to 8.13.14. (#15798)
• Bump ruff from 0.0.265 to 0.0.272. (#15799)
• Bump ruff from 0.0.272 to 0.0.275. (#15833)
• Bump serde_json from 1.0.96 to 1.0.97. (#15797)
• Bump serde_json from 1.0.97 to 1.0.99. (#15832)
• Bump towncrier from 22.12.0 to 23.6.0. (#15831)
• Bump types-opentracing from 2.4.10.4 to 2.4.10.5. (#15830)
• Bump types-setuptools from 67.8.0.0 to 68.0.0.0. (#15835)