Synapse 1.44.0rc1 (2021-09-29) ============================== Features -------- - Only allow the [MSC2716](https://github.com/matrix-org/matrix-doc/pull/2716) `/batch_send?chunk_id=xxx` endpoint to connect to an already existing insertion event. ([\#10776](https://github.com/matrix-org/synapse/issues/10776)) - Improve oEmbed URL previews by processing the author name, photo, and video information. ([\#10814](https://github.com/matrix-org/synapse/issues/10814), [\#10819](https://github.com/matrix-org/synapse/issues/10819)) - Speed up responding with large JSON objects to requests. ([\#10868](https://github.com/matrix-org/synapse/issues/10868), [\#10905](https://github.com/matrix-org/synapse/issues/10905)) - Add a `user_may_create_room_with_invites` spam checker callback to allow modules to allow or deny a room creation request based on the invites and/or 3PID invites it includes. ([\#10898](https://github.com/matrix-org/synapse/issues/10898)) Bugfixes -------- - Fix a long-standing bug that caused an `AssertionError` when purging history in certain rooms. Contributed by @Kokokokoka. ([\#10690](https://github.com/matrix-org/synapse/issues/10690)) - Fix a long-standing bug which caused deactivated users that were later reactivated to be missing from the user directory. ([\#10782](https://github.com/matrix-org/synapse/issues/10782)) - Fix a long-standing bug that caused unbanning a user by sending a membership event to fail. Contributed by @aaronraimist. ([\#10807](https://github.com/matrix-org/synapse/issues/10807)) - Fix a long-standing bug where logging contexts would go missing when federation requests time out. ([\#10810](https://github.com/matrix-org/synapse/issues/10810)) - Fix a long-standing bug causing an error in the deprecated `/initialSync` endpoint when using the undocumented `from` and `to` parameters. ([\#10827](https://github.com/matrix-org/synapse/issues/10827)) - Fix a bug causing the `remove_stale_pushers` background job to repeatedly fail and log errors. This bug affected Synapse servers that had been upgraded from version 1.28 or older and are using SQLite. ([\#10843](https://github.com/matrix-org/synapse/issues/10843)) - Fix a long-standing bug in Unicode support of the room search admin API breaking search for rooms with non-ASCII characters. ([\#10859](https://github.com/matrix-org/synapse/issues/10859)) - Fix a bug introduced in Synapse 1.37.0 which caused `knock` membership events which we sent to remote servers to be incorrectly stored in the local database. ([\#10873](https://github.com/matrix-org/synapse/issues/10873)) - Fix invalidating one-time key count cache after claiming keys. The bug was introduced in Synapse v1.41.0. Contributed by Tulir at Beeper. ([\#10875](https://github.com/matrix-org/synapse/issues/10875)) - Fix a long-standing bug causing application service users to be subject to MAU blocking if the MAU limit had been reached, even if configured not to be blocked. ([\#10881](https://github.com/matrix-org/synapse/issues/10881)) - Fix a long-standing bug which could cause events pulled over federation to be incorrectly rejected. ([\#10907](https://github.com/matrix-org/synapse/issues/10907)) - Fix a long-standing bug causing URL cache files to be stored in storage providers. Server admins may safely delete the `url_cache/` and `url_cache_thumbnails/` directories from any configured storage providers to reclaim space. ([\#10911](https://github.com/matrix-org/synapse/issues/10911)) - Fix a long-standing bug leading to race conditions when creating media store and config directories. ([\#10913](https://github.com/matrix-org/synapse/issues/10913)) Improved Documentation ---------------------- - Fix some crashes in the Module API example code, by adding JSON encoding/decoding. ([\#10845](https://github.com/matrix-org/synapse/issues/10845)) - Add developer documentation about experimental configuration flags. ([\#10865](https://github.com/matrix-org/synapse/issues/10865)) - Properly remove deleted files from GitHub pages when generating the documentation. ([\#10869](https://github.com/matrix-org/synapse/issues/10869)) Internal Changes ---------------- - Fix GitHub Actions config so we can run sytest on synapse from parallel branches. ([\#10659](https://github.com/matrix-org/synapse/issues/10659)) - Split out [MSC2716](https://github.com/matrix-org/matrix-doc/pull/2716) meta events to their own fields in the `/batch_send` response. ([\#10777](https://github.com/matrix-org/synapse/issues/10777)) - Add missing type hints to REST servlets. ([\#10785](https://github.com/matrix-org/synapse/issues/10785), [\#10817](https://github.com/matrix-org/synapse/issues/10817)) - Simplify the internal logic which maintains the user directory database tables. ([\#10796](https://github.com/matrix-org/synapse/issues/10796)) - Use direct references to config flags. ([\#10812](https://github.com/matrix-org/synapse/issues/10812), [\#10885](https://github.com/matrix-org/synapse/issues/10885), [\#10893](https://github.com/matrix-org/synapse/issues/10893), [\#10897](https://github.com/matrix-org/synapse/issues/10897)) - Specify the type of token in generic "Invalid token" error messages. ([\#10815](https://github.com/matrix-org/synapse/issues/10815)) - Make `StateFilter` frozen so it is hashable. ([\#10816](https://github.com/matrix-org/synapse/issues/10816)) - Fix a long-standing bug where an `m.room.message` event containing a null byte would cause an internal server error. ([\#10820](https://github.com/matrix-org/synapse/issues/10820)) - Add type hints to the state database. ([\#10823](https://github.com/matrix-org/synapse/issues/10823)) - Opt out of cache expiry for `get_users_who_share_room_with_user`, to hopefully improve `/sync` performance when you haven't synced recently. ([\#10826](https://github.com/matrix-org/synapse/issues/10826)) - Track cache eviction rates more finely in Prometheus's monitoring. ([\#10829](https://github.com/matrix-org/synapse/issues/10829)) - Add missing type hints to `synapse.handlers`. ([\#10831](https://github.com/matrix-org/synapse/issues/10831), [\#10856](https://github.com/matrix-org/synapse/issues/10856)) - Extend the Module API to let plug-ins check whether an ID is local and to access IP + User Agent data. ([\#10833](https://github.com/matrix-org/synapse/issues/10833)) - Factor out PNG image data to a constant to be used in several tests. ([\#10834](https://github.com/matrix-org/synapse/issues/10834)) - Add a test to ensure state events sent by modules get persisted correctly. ([\#10835](https://github.com/matrix-org/synapse/issues/10835)) - Rename [MSC2716](https://github.com/matrix-org/matrix-doc/pull/2716) fields and event types from `chunk` to `batch` to match the `/batch_send` endpoint. ([\#10838](https://github.com/matrix-org/synapse/issues/10838)) - Rename [MSC2716](https://github.com/matrix-org/matrix-doc/pull/2716) `/batch_send` query parameter from `?prev_event` to more obvious usage with `?prev_event_id`. ([\#10839](https://github.com/matrix-org/synapse/issues/10839)) - Add type hints to `synapse.http.site`. ([\#10867](https://github.com/matrix-org/synapse/issues/10867)) - Include outlier status when we log V2 or V3 events. ([\#10879](https://github.com/matrix-org/synapse/issues/10879)) - Break down Grafana's cache expiry time series based on reason for eviction, c.f. [\#10829](https://github.com/matrix-org/synapse/issues/10829). ([\#10880](https://github.com/matrix-org/synapse/issues/10880)) - Clean up some of the federation event authentication code for clarity. ([\#10883](https://github.com/matrix-org/synapse/issues/10883), [\#10884](https://github.com/matrix-org/synapse/issues/10884), [\#10896](https://github.com/matrix-org/synapse/issues/10896), [\#10901](https://github.com/matrix-org/synapse/issues/10901)) - Allow the `.` and `~` characters when creating registration tokens as per the change to [MSC3231](https://github.com/matrix-org/matrix-doc/pull/3231). ([\#10887](https://github.com/matrix-org/synapse/issues/10887)) - Clean up some unnecessary parentheses in places around the codebase. ([\#10889](https://github.com/matrix-org/synapse/issues/10889)) - Improve type hinting in the user directory code. ([\#10891](https://github.com/matrix-org/synapse/issues/10891)) - Update development testing script `test_postgresql.sh` to use a supported Python version and make re-runs quicker. ([\#10906](https://github.com/matrix-org/synapse/issues/10906)) - Document and summarize changes in schema version `61` – `64`. ([\#10917](https://github.com/matrix-org/synapse/issues/10917)) - Update release script to sign the newly created git tags. ([\#10925](https://github.com/matrix-org/synapse/issues/10925)) - Fix Debian builds due to `dh-virtualenv` no longer being able to build their docs. ([\#10931](https://github.com/matrix-org/synapse/issues/10931))