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Synapse 1.72.0rc1 (2022-11-16)
==============================
Please note that we now only support PostgreSQL 11+, because PostgreSQL 10 has reached end-of-life, c.f. our [Deprecation Policy](https://github.com/matrix-org/synapse/blob/develop/docs/deprecation_policy.md).
Features
--------
- Add experimental support for [MSC3912](https://github.com/matrix-org/matrix-spec-proposals/pull/3912): Relation-based redactions. ([\#14260](https://github.com/matrix-org/synapse/issues/14260))
- Build Debian packages for Ubuntu 22.10 (Kinetic Kudu). ([\#14396](https://github.com/matrix-org/synapse/issues/14396))
- Add an [Admin API](https://matrix-org.github.io/synapse/latest/usage/administration/admin_api/index.html) endpoint for user lookup based on third-party ID (3PID). Contributed by @ashfame. ([\#14405](https://github.com/matrix-org/synapse/issues/14405))
- Faster joins: include heroes' membership events in the partial join response, for rooms without a name or canonical alias. ([\#14442](https://github.com/matrix-org/synapse/issues/14442))
Bugfixes
--------
- Faster joins: do not block creation of or queries for room aliases during the resync. ([\#14292](https://github.com/matrix-org/synapse/issues/14292))
- Fix a bug introduced in Synapse 1.64.0rc1 which could cause log spam when fetching events from other homeservers. ([\#14347](https://github.com/matrix-org/synapse/issues/14347))
- Fix a bug introduced in 1.66 which would not send certain pushrules to clients. Contributed by Nico. ([\#14356](https://github.com/matrix-org/synapse/issues/14356))
- Fix a bug introduced in v1.71.0rc1 where the power level event was incorrectly created during initial room creation. ([\#14361](https://github.com/matrix-org/synapse/issues/14361))
- Fix the refresh token endpoint to be under /r0 and /v3 instead of /v1. Contributed by Tulir @ Beeper. ([\#14364](https://github.com/matrix-org/synapse/issues/14364))
- Fix a long-standing bug where Synapse would raise an error when encountering an unrecognised field in a `/sync` filter, instead of ignoring it for forward compatibility. ([\#14369](https://github.com/matrix-org/synapse/issues/14369))
- Fix a background database update, introduced in Synapse 1.64.0, which could cause poor database performance. ([\#14374](https://github.com/matrix-org/synapse/issues/14374))
- Fix PostgreSQL sometimes using table scans for queries against the `event_search` table, taking a long time and a large amount of IO. ([\#14409](https://github.com/matrix-org/synapse/issues/14409))
- Fix rendering of some HTML templates (including emails). Introduced in v1.71.0. ([\#14448](https://github.com/matrix-org/synapse/issues/14448))
- Fix a bug introduced in Synapse 1.70.0 where the background updates to add non-thread unique indexes on receipts could fail when upgrading from 1.67.0 or earlier. ([\#14453](https://github.com/matrix-org/synapse/issues/14453))
Updates to the Docker image
---------------------------
- Add all Stream Writer worker types to `configure_workers_and_start.py`. ([\#14197](https://github.com/matrix-org/synapse/issues/14197))
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- Remove references to legacy worker types in the multi-worker Dockerfile. ([\#14294](https://github.com/matrix-org/synapse/issues/14294))
Improved Documentation
----------------------
- Upload documentation PRs to Netlify. ([\#12947](https://github.com/matrix-org/synapse/issues/12947), [\#14370](https://github.com/matrix-org/synapse/issues/14370))
- Add addtional TURN server configuration example based on [eturnal](https://github.com/processone/eturnal) and adjust general TURN server doc structure. ([\#14293](https://github.com/matrix-org/synapse/issues/14293))
- Add example on how to load balance /sync requests. Contributed by [aceArt](https://aceart.de). ([\#14297](https://github.com/matrix-org/synapse/issues/14297))
- Edit sample Nginx reverse proxy configuration to use HTTP/1.1. Contributed by Brad Jones. ([\#14414](https://github.com/matrix-org/synapse/issues/14414))
Deprecations and Removals
-------------------------
- Remove support for PostgreSQL 10. ([\#14392](https://github.com/matrix-org/synapse/issues/14392), [\#14397](https://github.com/matrix-org/synapse/issues/14397))
Internal Changes
----------------
- Run unit tests against Python 3.11. ([\#13812](https://github.com/matrix-org/synapse/issues/13812))
- Add TLS support for generic worker endpoints. ([\#14128](https://github.com/matrix-org/synapse/issues/14128), [\#14455](https://github.com/matrix-org/synapse/issues/14455))
- Switch to a maintained action for installing Rust in CI. ([\#14313](https://github.com/matrix-org/synapse/issues/14313))
- Add override ability to `complement.sh` command line script to request certain types of workers. ([\#14324](https://github.com/matrix-org/synapse/issues/14324))
- Enabling testing of [MSC3874](https://github.com/matrix-org/matrix-spec-proposals/pull/3874) (filtering of `/messages` by relation type) in complement. ([\#14339](https://github.com/matrix-org/synapse/issues/14339))
- Concisely log a failure to resolve state due to missing `prev_events`. ([\#14346](https://github.com/matrix-org/synapse/issues/14346))
- Use a maintained Github action to install Rust. ([\#14351](https://github.com/matrix-org/synapse/issues/14351))
- Cleanup old worker datastore classes. Contributed by Nick @ Beeper (@fizzadar). ([\#14375](https://github.com/matrix-org/synapse/issues/14375))
- Test against PostgreSQL 15 in CI. ([\#14394](https://github.com/matrix-org/synapse/issues/14394))
- Remove unreachable code. ([\#14410](https://github.com/matrix-org/synapse/issues/14410))
- Clean-up event persistence code. ([\#14411](https://github.com/matrix-org/synapse/issues/14411))
- Update docstring to clarify that `get_partial_state_events_batch` does not just give you completely arbitrary partial-state events. ([\#14417](https://github.com/matrix-org/synapse/issues/14417))
- Fix mypy errors introduced by bumping the locked version of `attrs` and `gitpython`. ([\#14433](https://github.com/matrix-org/synapse/issues/14433))
- Make Dependabot only bump Rust deps in the lock file. ([\#14434](https://github.com/matrix-org/synapse/issues/14434))
- Fix an incorrect stub return type for `PushRuleEvaluator.run`. ([\#14451](https://github.com/matrix-org/synapse/issues/14451))
- Improve performance of `/context` in large rooms. ([\#14461](https://github.com/matrix-org/synapse/issues/14461))
Please note that, as announced in the release notes for Synapse 1.69.0, legacy Prometheus metric names are now disabled by default.
They will be removed altogether in Synapse 1.73.0.
If not already done, server administrators should update their dashboards and alerting rules to avoid using the deprecated metric names.
See the [upgrade notes](https://matrix-org.github.io/synapse/v1.71/upgrade.html#upgrading-to-v1710) for more details.
**Note:** in line with our [deprecation policy](https://matrix-org.github.io/synapse/latest/deprecation_policy.html) for platform dependencies, this will be the last release to support PostgreSQL 10, which reaches upstream end-of-life on November 10th, 2022. Future releases of Synapse will require PostgreSQL 11+.
No significant changes since 1.71.0rc2.
Synapse 1.71.0rc2 (2022-11-04)
==============================
- Document the changes to monthly active user metrics due to deprecation of legacy Prometheus metric names. ([\#14358](https://github.com/matrix-org/synapse/issues/14358), [\#14360](https://github.com/matrix-org/synapse/issues/14360))
Deprecations and Removals
-------------------------
- Disable legacy Prometheus metric names by default. They can still be re-enabled for now, but they will be removed altogether in Synapse 1.73.0. ([\#14353](https://github.com/matrix-org/synapse/issues/14353))
Internal Changes
----------------
- Run unit tests against Python 3.11. ([\#13812](https://github.com/matrix-org/synapse/issues/13812))
Synapse 1.71.0rc1 (2022-11-01)
==============================
Features
--------
- Support back-channel logouts from OpenID Connect providers. ([\#11414](https://github.com/matrix-org/synapse/issues/11414))
- Allow use of Postgres and SQLlite full-text search operators in search queries. ([\#11635](https://github.com/matrix-org/synapse/issues/11635), [\#14310](https://github.com/matrix-org/synapse/issues/14310), [\#14311](https://github.com/matrix-org/synapse/issues/14311))
- Implement [MSC3664](https://github.com/matrix-org/matrix-doc/pull/3664), Pushrules for relations. Contributed by Nico. ([\#11804](https://github.com/matrix-org/synapse/issues/11804))
- Improve aesthetics of HTML templates. Note that these changes do not retroactively apply to templates which have been [customised](https://matrix-org.github.io/synapse/latest/templates.html#templates) by server admins. ([\#13652](https://github.com/matrix-org/synapse/issues/13652))
- Enable write-ahead logging for SQLite installations. Contributed by [@asymmetric](https://github.com/asymmetric). ([\#13897](https://github.com/matrix-org/synapse/issues/13897))
- Show erasure status when [listing users](https://matrix-org.github.io/synapse/latest/admin_api/user_admin_api.html#query-user-account) in the Admin API. ([\#14205](https://github.com/matrix-org/synapse/issues/14205))
- Provide a specific error code when a `/sync` request provides a filter which doesn't represent a JSON object. ([\#14262](https://github.com/matrix-org/synapse/issues/14262))
Bugfixes
--------
- Fix a long-standing bug where the `update_synapse_database` script could not be run with multiple databases. Contributed by @thefinn93 @ Beeper. ([\#13422](https://github.com/matrix-org/synapse/issues/13422))
- Fix a bug which prevented setting an avatar on homeservers which have an explicit port in their `server_name` and have `max_avatar_size` and/or `allowed_avatar_mimetypes` configuration. Contributed by @ashfame. ([\#13927](https://github.com/matrix-org/synapse/issues/13927))
- Check appservice user interest against the local users instead of all users in the room to align with [MSC3905](https://github.com/matrix-org/matrix-spec-proposals/pull/3905). ([\#13958](https://github.com/matrix-org/synapse/issues/13958))
- Fix a long-standing bug where Synapse would accidentally include extra information in the response to [`PUT /_matrix/federation/v2/invite/{roomId}/{eventId}`](https://spec.matrix.org/v1.4/server-server-api/#put_matrixfederationv2inviteroomideventid). ([\#14064](https://github.com/matrix-org/synapse/issues/14064))
- Fix a bug introduced in Synapse 1.64.0 where presence updates could be missing from `/sync` responses. ([\#14243](https://github.com/matrix-org/synapse/issues/14243))
- Fix a bug introduced in Synapse 1.60.0 which caused an error to be logged when Synapse received a SIGHUP signal if debug logging was enabled. ([\#14258](https://github.com/matrix-org/synapse/issues/14258))
- Prevent history insertion ([MSC2716](https://github.com/matrix-org/matrix-spec-proposals/pull/2716)) during an partial join ([MSC3706](https://github.com/matrix-org/matrix-spec-proposals/pull/3706)). ([\#14291](https://github.com/matrix-org/synapse/issues/14291))
- Fix a bug introduced in Synapse 1.34.0 where device names would be returned via a federation user key query request when `allow_device_name_lookup_over_federation` was set to `false`. ([\#14304](https://github.com/matrix-org/synapse/issues/14304))
- Fix a bug introduced in Synapse 0.34.0 where logs could include error spam when background processes are measured as taking a negative amount of time. ([\#14323](https://github.com/matrix-org/synapse/issues/14323))
- Fix a bug introduced in Synapse 1.70.0 where clients were unable to PUT new [dehydrated devices](https://github.com/matrix-org/matrix-spec-proposals/pull/2697). ([\#14336](https://github.com/matrix-org/synapse/issues/14336))
Improved Documentation
----------------------
- Explain how to disable the use of [`trusted_key_servers`](https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#trusted_key_servers). ([\#13999](https://github.com/matrix-org/synapse/issues/13999))
- Add workers settings to [configuration manual](https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#individual-worker-configuration). ([\#14086](https://github.com/matrix-org/synapse/issues/14086))
- Correct the name of the config option [`encryption_enabled_by_default_for_room_type`](https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#encryption_enabled_by_default_for_room_type). ([\#14110](https://github.com/matrix-org/synapse/issues/14110))
- Update docstrings of `SynapseError` and `FederationError` to bettter describe what they are used for and the effects of using them are. ([\#14191](https://github.com/matrix-org/synapse/issues/14191))
Internal Changes
----------------
- Remove unused `@lru_cache` decorator. ([\#13595](https://github.com/matrix-org/synapse/issues/13595))
- Save login tokens in database and prevent login token reuse. ([\#13844](https://github.com/matrix-org/synapse/issues/13844))
- Refactor OIDC tests to better mimic an actual OIDC provider. ([\#13910](https://github.com/matrix-org/synapse/issues/13910))
- Fix type annotation causing import time error in the Complement forking launcher. ([\#14084](https://github.com/matrix-org/synapse/issues/14084))
- Refactor [MSC3030](https://github.com/matrix-org/matrix-spec-proposals/pull/3030) `/timestamp_to_event` endpoint to loop over federation destinations with standard pattern and error handling. ([\#14096](https://github.com/matrix-org/synapse/issues/14096))
- Add initial power level event to batch of bulk persisted events when creating a new room. ([\#14228](https://github.com/matrix-org/synapse/issues/14228))
- Refactor `/key/` endpoints to use `RestServlet` classes. ([\#14229](https://github.com/matrix-org/synapse/issues/14229))
- Switch to using the `matrix-org/backend-meta` version of `triage-incoming` for new issues in CI. ([\#14230](https://github.com/matrix-org/synapse/issues/14230))
- Build wheels on macos 11, not 10.15. ([\#14249](https://github.com/matrix-org/synapse/issues/14249))
- Add debugging to help diagnose lost device list updates. ([\#14268](https://github.com/matrix-org/synapse/issues/14268))
- Add Rust cache to CI for `trial` runs. ([\#14287](https://github.com/matrix-org/synapse/issues/14287))
- Improve type hinting of `RawHeaders`. ([\#14303](https://github.com/matrix-org/synapse/issues/14303))
- Use Poetry 1.2.0 in the Twisted Trunk CI job. ([\#14305](https://github.com/matrix-org/synapse/issues/14305))
<details>
<summary>Dependency updates</summary>
Runtime:
- Bump anyhow from 1.0.65 to 1.0.66. ([\#14278](https://github.com/matrix-org/synapse/issues/14278))
- Bump jinja2 from 3.0.3 to 3.1.2. ([\#14271](https://github.com/matrix-org/synapse/issues/14271))
- Bump prometheus-client from 0.14.0 to 0.15.0. ([\#14274](https://github.com/matrix-org/synapse/issues/14274))
- Bump psycopg2 from 2.9.4 to 2.9.5. ([\#14331](https://github.com/matrix-org/synapse/issues/14331))
- Bump pysaml2 from 7.1.2 to 7.2.1. ([\#14270](https://github.com/matrix-org/synapse/issues/14270))
- Bump sentry-sdk from 1.5.11 to 1.10.1. ([\#14330](https://github.com/matrix-org/synapse/issues/14330))
- Bump serde from 1.0.145 to 1.0.147. ([\#14277](https://github.com/matrix-org/synapse/issues/14277))
- Bump serde_json from 1.0.86 to 1.0.87. ([\#14279](https://github.com/matrix-org/synapse/issues/14279))
- Bump black from 22.3.0 to 22.10.0. ([\#14328](https://github.com/matrix-org/synapse/issues/14328))
- Bump flake8-bugbear from 21.3.2 to 22.9.23. ([\#14042](https://github.com/matrix-org/synapse/issues/14042))
- Bump peaceiris/actions-gh-pages from 3.8.0 to 3.9.0. ([\#14276](https://github.com/matrix-org/synapse/issues/14276))
- Bump peaceiris/actions-mdbook from 1.1.14 to 1.2.0. ([\#14275](https://github.com/matrix-org/synapse/issues/14275))
- Bump setuptools-rust from 1.5.1 to 1.5.2. ([\#14273](https://github.com/matrix-org/synapse/issues/14273))
- Bump twine from 3.8.0 to 4.0.1. ([\#14332](https://github.com/matrix-org/synapse/issues/14332))
- Bump types-opentracing from 2.4.7 to 2.4.10. ([\#14133](https://github.com/matrix-org/synapse/issues/14133))
- Bump types-requests from 2.28.11 to 2.28.11.2. ([\#14272](https://github.com/matrix-org/synapse/issues/14272))
</details>
Synapse 1.70.1 (2022-10-28)
===========================
This release fixes some regressions that were discovered in 1.70.0.
[#14300](https://github.com/matrix-org/synapse/issues/14300)
was previously reported to be a regression in 1.70.0 as well. However, we have
since concluded that it was limited to the reporter and thus have not needed
to include any fix for it in 1.70.1.
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