Synapse 1.79.0rc1 (2023-03-07)

Features

• Add two new Third Party Rules module API callbacks: on_add_user_third_party_identifier and on_remove_user_third_party_identifier. (#15044)
• Experimental support for MSC3967 to not require UIA for setting up cross-signing on first use. (#15077)
• Add media information to the command line user data export tool. (#15107)
• Add an admin API to delete a specific event report. (#15116)
• Add support for knocking to workers. (#15133)
• Allow use of the /filter Client-Server APIs on workers. (#15134)
• Update support for MSC2677: remove support for server-side aggregation of reactions. (#15172)
• Stabilise support for MSC3758: event_property_is push condition. (#15185)

Bugfixes

• Fix a bug introduced in Synapse 1.75 that caused experimental support for deleting account data to raise an internal server error while using an account data writer worker. (#14869)
• Fix a long-standing bug where Synapse handled an unspecced field on push rules. (#15088)
• Fix a long-standing bug where a URL preview would break if the discovered oEmbed failed to download. (#15092)
• Fix a long-standing bug where an initial sync would not respond to changes to the list of ignored users if there was an initial sync cached. (#15163)
• Add the transaction_id in the events included in many endpoints' responses. (#15174)
• Fix a bug introduced in Synapse 1.78.0 where requests to claim dehydrated devices would fail with a 405 error. (#15180)
• Stop applying edits when bundling aggregations, per MSC3925. (#15193)
• Fix a long-standing bug where the user directory search was not case-insensitive for accented characters. (#15143)

Updates to the Docker image

• Improve startup logging in the with-workers Docker image. (#15186)

Improved Documentation

• Document how to use caches in a module. (#14026)
• Clarify which worker processes the ThirdPartyRules' on_new_event module API callback runs on. (#15071)
• Document using Shibboleth as an OpenID Provider. (#15112)
• Correct reference to federation_verify_certificates in configuration documentation. (#15139)
• Correct small documentation errors in some MatrixFederationHttpClient methods. (#15148)
• Correct the description of the behavior of registration_shared_secret_path on startup. (#15168)

Deprecations and Removals

• Deprecate the on_threepid_bind module callback, to be replaced by on_add_user_third_party_identifier. See upgrade notes. ([#15044]
• Remove the unspecced room_alias field from the /createRoom response. (#15093)
• Remove the unspecced PUT on the /knock/{roomIdOrAlias} endpoint. (#15189)
• Remove the undocumented and unspecced type parameter to the /thumbnail endpoint. (#15137)
• Remove unspecced and buggy PUT method on the unstable /rooms/<room_id>/batch_send endpoint. (#15199)

Internal Changes

• Run the integration test suites with the asyncio reactor enabled in CI. (#14101)
• Batch up storing state groups when creating a new room. (#14918)
• Update MSC3952 support based on changes to the MSC. (#15051)
• Refactor writing json data in FileExfiltrationWriter. (#15095)
• Tighten the login ratelimit defaults. (#15135)
• Fix a typo in an experimental config setting. (#15138)
• Refactor the media modules. (#15146, #15175)
• Improve type hints. (#15164)
• Move get_event_report and get_event_reports_paginate from RoomStore to RoomWorkerStore. (#15165)
• Remove dangling reference to being a reference implementation in docstring. (#15167)
• Add an option to force a rebuild of the "editable" complement image. (#15184)
• Use nightly rustfmt in CI. (#15188)
• Add a get_next_txn method to StreamIdGenerator to match MultiWriterIdGenerator. (#15191)
• Combine AbstractStreamIdTracker and AbstractStreamIdGenerator. (#15192)
• Automatically fix errors with ruff. (#15194)
• Refactor database transaction for query users' devices to reduce database pool contention. (#15215)
• Correct test_icu_word_boundary_punctuation so that it passes with the ICU versions available in Alpine and macOS. (#15177)