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  • v1.91.1
    1cd0715a · 1.91.1 · 
    - Fix a performance regression introduced in Synapse 1.91.0 where event persistence would cause an excessive linear growth in CPU usage. ([\#16220](https://github.com/matrix-org/synapse/issues/16220))
  • v1.91.0
    8c56e18e · 1.91.0 · 
    No significant changes since 1.91.0rc1.

- Implements an admin API to lock an user without deactivating them. Based on [MSC3939](https://github.com/matrix-org/matrix-spec-proposals/pull/3939). ([\#15870](https://github.com/matrix-org/synapse/issues/15870))
- Implements a task scheduler for	resumable potentially long running tasks. ([\#15891](https://github.com/matrix-org/synapse/issues/15891))
- Allow specifying `client_secret_path` as alternative to `client_secret` for OIDC providers. This avoids leaking the client secret in the homeserver config. Contributed by @Ma27. ([\#16030](https://github.com/matrix-org/synapse/issues/16030))
- Allow customising the IdP display name, icon, and brand for SAML and CAS providers (in addition to OIDC provider). ([\#16094](https://github.com/matrix-org/synapse/issues/16094))
- Add an `admins` query parameter to the [List Accounts](https://matrix-org.github.io/synapse/v1.91/admin_api/user_admin_api.html#list-accounts) [admin API](https://matrix-org.github.io/synapse/v1.91/usage/administration/admin_api/index.html), to include only admins or to exclude admins in user queries. ([\#16114](https://github.com/matrix-org/synapse/issues/16114))

- Fix long-standing bug where concurrent requests to change a user's push rules could cause a deadlock. Contributed by Nick @ Beeper (@fizzadar). ([\#16052](https://github.com/matrix-org/synapse/issues/16052))
- Fix a long-standing bu in `/sync` where timeout=0 does not skip caching, resulting in slow calls in cases where there are no new changes. Contributed by @PlasmaIntec. ([\#16080](https://github.com/matrix-org/synapse/issues/16080))
- Fix performance of state resolutions for large, old rooms that did not have the full auth chain persisted. ([\#16116](https://github.com/matrix-org/synapse/issues/16116))
- Filter out user agent references to the sliding sync proxy and rust-sdk from the user_daily_visits table to ensure that Element X can be represented fully. ([\#16124](https://github.com/matrix-org/synapse/issues/16124))
- User constent and 3-PID changes capability cannot be enabled when using experimental [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) support. ([\#16127](https://github.com/matrix-org/synapse/issues/16127), [\#16134](https://github.com/matrix-org/synapse/issues/16134))
- Fix a rare race that could block new events from being sent for up to two minutes. Introduced in v1.90.0. ([\#16133](https://github.com/matrix-org/synapse/issues/16133), [\#16169](https://github.com/matrix-org/synapse/issues/16169))
- Fix performance degredation when there are a lot of in-flight replication requests. ([\#16148](https://github.com/matrix-org/synapse/issues/16148))
- Fix a bug introduced in 1.87 where synapse would send an excessive amount of federation requests to servers which have been offline for a long time. Contributed by Nico. ([\#16156](https://github.com/matrix-org/synapse/issues/16156), [\#16164](https://github.com/matrix-org/synapse/issues/16164))

- Structured logging docs: add a link to explain the ELK stack ([\#16091](https://github.com/matrix-org/synapse/issues/16091))

- Update dehydrated devices implementation. ([\#16010](https://github.com/matrix-org/synapse/issues/16010))
- Fix database performance of read/write worker locks. ([\#16061](https://github.com/matrix-org/synapse/issues/16061))
- Fix building the nix development environment on MacOS systems. ([\#16063](https://github.com/matrix-org/synapse/issues/16063))
- Override global statement timeout when creating indexes in Postgres. ([\#16085](https://github.com/matrix-org/synapse/issues/16085))
- Fix the type annotation on `run_db_interaction` in the Module API. ([\#16089](https://github.com/matrix-org/synapse/issues/16089))
- Clean-up the presence code. ([\#16092](https://github.com/matrix-org/synapse/issues/16092))
- Run `pyupgrade` for Python 3.8+. ([\#16110](https://github.com/matrix-org/synapse/issues/16110))
- Rename pagination and purge locks and add comments to explain why they exist and how they work. ([\#16112](https://github.com/matrix-org/synapse/issues/16112))
- Attempt to fix the twisted trunk job. ([\#16115](https://github.com/matrix-org/synapse/issues/16115))
- Cache token introspection response from OIDC provider. ([\#16117](https://github.com/matrix-org/synapse/issues/16117))
- Add cache to `get_server_keys_json_for_remote`. ([\#16123](https://github.com/matrix-org/synapse/issues/16123))
- Add an admin endpoint to allow authorizing server to signal token revocations. ([\#16125](https://github.com/matrix-org/synapse/issues/16125))
- Add response time metrics for introspection requests for delegated auth. ([\#16131](https://github.com/matrix-org/synapse/issues/16131))
- MSC3861: allow impersonation by an admin user using `_oidc_admin_impersonate_user_id` query parameter. ([\#16132](https://github.com/matrix-org/synapse/issues/16132))
- Increase performance of read/write locks. ([\#16149](https://github.com/matrix-org/synapse/issues/16149))
- Improve presence tests. ([\#16150](https://github.com/matrix-org/synapse/issues/16150), [\#16151](https://github.com/matrix-org/synapse/issues/16151), [\#16158](https://github.com/matrix-org/synapse/issues/16158))
- Raised the poetry-core version cap to 1.7.0. ([\#16152](https://github.com/matrix-org/synapse/issues/16152))
- Fix assertion in user directory unit tests. ([\#16157](https://github.com/matrix-org/synapse/issues/16157))
- Reduce scope of locks when paginating to alleviate DB contention. ([\#16159](https://github.com/matrix-org/synapse/issues/16159))
- Reduce DB contention on worker locks. ([\#16160](https://github.com/matrix-org/synapse/issues/16160))
- Task scheduler: mark task as active if we are scheduling as soon as possible. ([\#16165](https://github.com/matrix-org/synapse/issues/16165))

* Bump click from 8.1.6 to 8.1.7. ([\#16145](https://github.com/matrix-org/synapse/issues/16145))
* Bump gitpython from 3.1.31 to 3.1.32. ([\#16103](https://github.com/matrix-org/synapse/issues/16103))
* Bump ijson from 3.2.1 to 3.2.3. ([\#16143](https://github.com/matrix-org/synapse/issues/16143))
* Bump isort from 5.11.5 to 5.12.0. ([\#16108](https://github.com/matrix-org/synapse/issues/16108))
* Bump log from 0.4.19 to 0.4.20. ([\#16109](https://github.com/matrix-org/synapse/issues/16109))
* Bump pygithub from 1.59.0 to 1.59.1. ([\#16144](https://github.com/matrix-org/synapse/issues/16144))
* Bump sentry-sdk from 1.28.1 to 1.29.2. ([\#16142](https://github.com/matrix-org/synapse/issues/16142))
* Bump serde from 1.0.183 to 1.0.184. ([\#16139](https://github.com/matrix-org/synapse/issues/16139))
* Bump txredisapi from 1.4.9 to 1.4.10. ([\#16107](https://github.com/matrix-org/synapse/issues/16107))
* Bump types-bleach from 6.0.0.3 to 6.0.0.4. ([\#16106](https://github.com/matrix-org/synapse/issues/16106))
* Bump types-pillow from 10.0.0.1 to 10.0.0.2. ([\#16105](https://github.com/matrix-org/synapse/issues/16105))
* Bump types-pyopenssl from 23.2.0.1 to 23.2.0.2. ([\#16146](https://github.com/matrix-org/synapse/issues/16146))

- Implements an admin API to lock an user without deactivating them. Based on [MSC3939](https://github.com/matrix-org/matrix-spec-proposals/pull/3939). ([\#15870](https://github.com/matrix-org/synapse/issues/15870))
- Allow specifying `client_secret_path` as alternative to `client_secret` for OIDC providers. This avoids leaking the client secret in the homeserver config. Contributed by @Ma27. ([\#16030](https://github.com/matrix-org/synapse/issues/16030))
- Allow customising the IdP display name, icon, and brand for SAML and CAS providers (in addition to OIDC provider). ([\#16094](https://github.com/matrix-org/synapse/issues/16094))
- Add an `admins` query parameter to the [List Accounts](https://matrix-org.github.io/synapse/v1.91/admin_api/user_admin_api.html#list-accounts) [admin API](https://matrix-org.github.io/synapse/v1.91/usage/administration/admin_api/index.html), to include only admins or to exclude admins in user queries. ([\#16114](https://github.com/matrix-org/synapse/issues/16114))

- Fix long-standing bug where concurrent requests to change a user's push rules could cause a deadlock. Contributed by Nick @ Beeper (@fizzadar). ([\#16052](https://github.com/matrix-org/synapse/issues/16052))
- Fix a long-standing bug in `/sync` where timeout=0 does not skip caching, resulting in slow calls in cases where there are no new changes. Contributed by @PlasmaIntec. ([\#16080](https://github.com/matrix-org/synapse/issues/16080))
- Fix performance of state resolutions for large, old rooms that did not have the full auth chain persisted. ([\#16116](https://github.com/matrix-org/synapse/issues/16116))
- Filter out user agent references to the sliding sync proxy and rust-sdk from the `user_daily_visits` table to ensure that Element X can be represented fully. ([\#16124](https://github.com/matrix-org/synapse/issues/16124))
- User constent and third-party ID changes capability cannot be enabled when using experimental [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) support. ([\#16127](https://github.com/matrix-org/synapse/issues/16127), [\#16134](https://github.com/matrix-org/synapse/issues/16134))
- Fix a rare race that could block new events from being sent for up to two minutes. Introduced in v1.90.0. ([\#16133](https://github.com/matrix-org/synapse/issues/16133), [\#16169](https://github.com/matrix-org/synapse/issues/16169))
- Fix performance degredation when there are a lot of in-flight replication requests. ([\#16148](https://github.com/matrix-org/synapse/issues/16148))
- Fix a bug introduced in 1.87 where synapse would send an excessive amount of federation requests to servers which have been offline for a long time. Contributed by Nico. ([\#16156](https://github.com/matrix-org/synapse/issues/16156), [\#16164](https://github.com/matrix-org/synapse/issues/16164))

- Structured logging docs: add a link to explain the ELK stack ([\#16091](https://github.com/matrix-org/synapse/issues/16091))

- Update dehydrated devices implementation. ([\#16010](https://github.com/matrix-org/synapse/issues/16010))
- Fix database performance of read/write worker locks. ([\#16061](https://github.com/matrix-org/synapse/issues/16061))
- Fix building the nix development environment on MacOS systems. ([\#16063](https://github.com/matrix-org/synapse/issues/16063))
- Override global statement timeout when creating indexes in Postgres. ([\#16085](https://github.com/matrix-org/synapse/issues/16085))
- Fix the type annotation on `run_db_interaction` in the Module API. ([\#16089](https://github.com/matrix-org/synapse/issues/16089))
- Clean-up the presence code. ([\#16092](https://github.com/matrix-org/synapse/issues/16092))
- Run `pyupgrade` for Python 3.8+. ([\#16110](https://github.com/matrix-org/synapse/issues/16110))
- Rename pagination and purge locks and add comments to explain why they exist and how they work. ([\#16112](https://github.com/matrix-org/synapse/issues/16112))
- Attempt to fix the twisted trunk job. ([\#16115](https://github.com/matrix-org/synapse/issues/16115))
- Cache token introspection response from OIDC provider. ([\#16117](https://github.com/matrix-org/synapse/issues/16117))
- Add cache to `get_server_keys_json_for_remote`. ([\#16123](https://github.com/matrix-org/synapse/issues/16123))
- Add an admin endpoint to allow authorizing server to signal token revocations. ([\#16125](https://github.com/matrix-org/synapse/issues/16125))
- Add response time metrics for introspection requests for delegated auth. ([\#16131](https://github.com/matrix-org/synapse/issues/16131))
- [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861): allow impersonation by an admin user using `_oidc_admin_impersonate_user_id` query parameter. ([\#16132](https://github.com/matrix-org/synapse/issues/16132))
- Increase performance of read/write locks. ([\#16149](https://github.com/matrix-org/synapse/issues/16149))
- Improve presence tests. ([\#16150](https://github.com/matrix-org/synapse/issues/16150), [\#16151](https://github.com/matrix-org/synapse/issues/16151), [\#16158](https://github.com/matrix-org/synapse/issues/16158))
- Raised the poetry-core version cap to 1.7.0. ([\#16152](https://github.com/matrix-org/synapse/issues/16152))
- Fix assertion in user directory unit tests. ([\#16157](https://github.com/matrix-org/synapse/issues/16157))
- Reduce scope of locks when paginating to alleviate DB contention. ([\#16159](https://github.com/matrix-org/synapse/issues/16159))
- Reduce DB contention on worker locks. ([\#16160](https://github.com/matrix-org/synapse/issues/16160))
- Task scheduler: mark task as active if we are scheduling as soon as possible. ([\#16165](https://github.com/matrix-org/synapse/issues/16165))
- Implements a task scheduler for	resumable potentially long running tasks. ([\#15891](https://github.com/matrix-org/synapse/issues/15891))

* Bump click from 8.1.6 to 8.1.7. ([\#16145](https://github.com/matrix-org/synapse/issues/16145))
* Bump gitpython from 3.1.31 to 3.1.32. ([\#16103](https://github.com/matrix-org/synapse/issues/16103))
* Bump ijson from 3.2.1 to 3.2.3. ([\#16143](https://github.com/matrix-org/synapse/issues/16143))
* Bump isort from 5.11.5 to 5.12.0. ([\#16108](https://github.com/matrix-org/synapse/issues/16108))
* Bump log from 0.4.19 to 0.4.20. ([\#16109](https://github.com/matrix-org/synapse/issues/16109))
* Bump pygithub from 1.59.0 to 1.59.1. ([\#16144](https://github.com/matrix-org/synapse/issues/16144))
* Bump sentry-sdk from 1.28.1 to 1.29.2. ([\#16142](https://github.com/matrix-org/synapse/issues/16142))
* Bump serde from 1.0.183 to 1.0.184. ([\#16139](https://github.com/matrix-org/synapse/issues/16139))
* Bump txredisapi from 1.4.9 to 1.4.10. ([\#16107](https://github.com/matrix-org/synapse/issues/16107))
* Bump types-bleach from 6.0.0.3 to 6.0.0.4. ([\#16106](https://github.com/matrix-org/synapse/issues/16106))
* Bump types-pillow from 10.0.0.1 to 10.0.0.2. ([\#16105](https://github.com/matrix-org/synapse/issues/16105))
* Bump types-pyopenssl from 23.2.0.1 to 23.2.0.2. ([\#16146](https://github.com/matrix-org/synapse/issues/16146))
  • v1.91.0rc1
    23f88f9c · 1.91.0rc1 · 
    - Implements an admin API to lock an user without deactivating them. Based on [MSC3939](https://github.com/matrix-org/matrix-spec-proposals/pull/3939). ([\#15870](https://github.com/matrix-org/synapse/issues/15870))
- Implements a task scheduler for	resumable potentially long running tasks. ([\#15891](https://github.com/matrix-org/synapse/issues/15891))
- Allow specifying `client_secret_path` as alternative to `client_secret` for OIDC providers. This avoids leaking the client secret in the homeserver config. Contributed by @Ma27. ([\#16030](https://github.com/matrix-org/synapse/issues/16030))
- Allow customising the IdP display name, icon, and brand for SAML and CAS providers (in addition to OIDC provider). ([\#16094](https://github.com/matrix-org/synapse/issues/16094))
- Add an `admins` query parameter to the [List Accounts](https://matrix-org.github.io/synapse/v1.91/admin_api/user_admin_api.html#list-accounts) [admin API](https://matrix-org.github.io/synapse/v1.91/usage/administration/admin_api/index.html), to include only admins or to exclude admins in user queries. ([\#16114](https://github.com/matrix-org/synapse/issues/16114))

- Fix long-standing bug where concurrent requests to change a user's push rules could cause a deadlock. Contributed by Nick @ Beeper (@fizzadar). ([\#16052](https://github.com/matrix-org/synapse/issues/16052))
- Fix a long-standing bu in `/sync` where timeout=0 does not skip caching, resulting in slow calls in cases where there are no new changes. Contributed by @PlasmaIntec. ([\#16080](https://github.com/matrix-org/synapse/issues/16080))
- Fix performance of state resolutions for large, old rooms that did not have the full auth chain persisted. ([\#16116](https://github.com/matrix-org/synapse/issues/16116))
- Filter out user agent references to the sliding sync proxy and rust-sdk from the user_daily_visits table to ensure that Element X can be represented fully. ([\#16124](https://github.com/matrix-org/synapse/issues/16124))
- User constent and 3-PID changes capability cannot be enabled when using experimental [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) support. ([\#16127](https://github.com/matrix-org/synapse/issues/16127), [\#16134](https://github.com/matrix-org/synapse/issues/16134))
- Fix a rare race that could block new events from being sent for up to two minutes. Introduced in v1.90.0. ([\#16133](https://github.com/matrix-org/synapse/issues/16133), [\#16169](https://github.com/matrix-org/synapse/issues/16169))
- Fix performance degredation when there are a lot of in-flight replication requests. ([\#16148](https://github.com/matrix-org/synapse/issues/16148))
- Fix a bug introduced in 1.87 where synapse would send an excessive amount of federation requests to servers which have been offline for a long time. Contributed by Nico. ([\#16156](https://github.com/matrix-org/synapse/issues/16156), [\#16164](https://github.com/matrix-org/synapse/issues/16164))

- Structured logging docs: add a link to explain the ELK stack ([\#16091](https://github.com/matrix-org/synapse/issues/16091))

- Update dehydrated devices implementation. ([\#16010](https://github.com/matrix-org/synapse/issues/16010))
- Fix database performance of read/write worker locks. ([\#16061](https://github.com/matrix-org/synapse/issues/16061))
- Fix building the nix development environment on MacOS systems. ([\#16063](https://github.com/matrix-org/synapse/issues/16063))
- Override global statement timeout when creating indexes in Postgres. ([\#16085](https://github.com/matrix-org/synapse/issues/16085))
- Fix the type annotation on `run_db_interaction` in the Module API. ([\#16089](https://github.com/matrix-org/synapse/issues/16089))
- Clean-up the presence code. ([\#16092](https://github.com/matrix-org/synapse/issues/16092))
- Run `pyupgrade` for Python 3.8+. ([\#16110](https://github.com/matrix-org/synapse/issues/16110))
- Rename pagination and purge locks and add comments to explain why they exist and how they work. ([\#16112](https://github.com/matrix-org/synapse/issues/16112))
- Attempt to fix the twisted trunk job. ([\#16115](https://github.com/matrix-org/synapse/issues/16115))
- Cache token introspection response from OIDC provider. ([\#16117](https://github.com/matrix-org/synapse/issues/16117))
- Add cache to `get_server_keys_json_for_remote`. ([\#16123](https://github.com/matrix-org/synapse/issues/16123))
- Add an admin endpoint to allow authorizing server to signal token revocations. ([\#16125](https://github.com/matrix-org/synapse/issues/16125))
- Add response time metrics for introspection requests for delegated auth. ([\#16131](https://github.com/matrix-org/synapse/issues/16131))
- MSC3861: allow impersonation by an admin user using `_oidc_admin_impersonate_user_id` query parameter. ([\#16132](https://github.com/matrix-org/synapse/issues/16132))
- Increase performance of read/write locks. ([\#16149](https://github.com/matrix-org/synapse/issues/16149))
- Improve presence tests. ([\#16150](https://github.com/matrix-org/synapse/issues/16150), [\#16151](https://github.com/matrix-org/synapse/issues/16151), [\#16158](https://github.com/matrix-org/synapse/issues/16158))
- Raised the poetry-core version cap to 1.7.0. ([\#16152](https://github.com/matrix-org/synapse/issues/16152))
- Fix assertion in user directory unit tests. ([\#16157](https://github.com/matrix-org/synapse/issues/16157))
- Reduce scope of locks when paginating to alleviate DB contention. ([\#16159](https://github.com/matrix-org/synapse/issues/16159))
- Reduce DB contention on worker locks. ([\#16160](https://github.com/matrix-org/synapse/issues/16160))
- Task scheduler: mark task as active if we are scheduling as soon as possible. ([\#16165](https://github.com/matrix-org/synapse/issues/16165))

* Bump click from 8.1.6 to 8.1.7. ([\#16145](https://github.com/matrix-org/synapse/issues/16145))
* Bump gitpython from 3.1.31 to 3.1.32. ([\#16103](https://github.com/matrix-org/synapse/issues/16103))
* Bump ijson from 3.2.1 to 3.2.3. ([\#16143](https://github.com/matrix-org/synapse/issues/16143))
* Bump isort from 5.11.5 to 5.12.0. ([\#16108](https://github.com/matrix-org/synapse/issues/16108))
* Bump log from 0.4.19 to 0.4.20. ([\#16109](https://github.com/matrix-org/synapse/issues/16109))
* Bump pygithub from 1.59.0 to 1.59.1. ([\#16144](https://github.com/matrix-org/synapse/issues/16144))
* Bump sentry-sdk from 1.28.1 to 1.29.2. ([\#16142](https://github.com/matrix-org/synapse/issues/16142))
* Bump serde from 1.0.183 to 1.0.184. ([\#16139](https://github.com/matrix-org/synapse/issues/16139))
* Bump txredisapi from 1.4.9 to 1.4.10. ([\#16107](https://github.com/matrix-org/synapse/issues/16107))
* Bump types-bleach from 6.0.0.3 to 6.0.0.4. ([\#16106](https://github.com/matrix-org/synapse/issues/16106))
* Bump types-pillow from 10.0.0.1 to 10.0.0.2. ([\#16105](https://github.com/matrix-org/synapse/issues/16105))
* Bump types-pyopenssl from 23.2.0.1 to 23.2.0.2. ([\#16146](https://github.com/matrix-org/synapse/issues/16146))

- Implements an admin API to lock an user without deactivating them. Based on [MSC3939](https://github.com/matrix-org/matrix-spec-proposals/pull/3939). ([\#15870](https://github.com/matrix-org/synapse/issues/15870))
- Allow specifying `client_secret_path` as alternative to `client_secret` for OIDC providers. This avoids leaking the client secret in the homeserver config. Contributed by @Ma27. ([\#16030](https://github.com/matrix-org/synapse/issues/16030))
- Allow customising the IdP display name, icon, and brand for SAML and CAS providers (in addition to OIDC provider). ([\#16094](https://github.com/matrix-org/synapse/issues/16094))
- Add an `admins` query parameter to the [List Accounts](https://matrix-org.github.io/synapse/v1.91/admin_api/user_admin_api.html#list-accounts) [admin API](https://matrix-org.github.io/synapse/v1.91/usage/administration/admin_api/index.html), to include only admins or to exclude admins in user queries. ([\#16114](https://github.com/matrix-org/synapse/issues/16114))

- Fix long-standing bug where concurrent requests to change a user's push rules could cause a deadlock. Contributed by Nick @ Beeper (@fizzadar). ([\#16052](https://github.com/matrix-org/synapse/issues/16052))
- Fix a long-standing bug in `/sync` where timeout=0 does not skip caching, resulting in slow calls in cases where there are no new changes. Contributed by @PlasmaIntec. ([\#16080](https://github.com/matrix-org/synapse/issues/16080))
- Fix performance of state resolutions for large, old rooms that did not have the full auth chain persisted. ([\#16116](https://github.com/matrix-org/synapse/issues/16116))
- Filter out user agent references to the sliding sync proxy and rust-sdk from the `user_daily_visits` table to ensure that Element X can be represented fully. ([\#16124](https://github.com/matrix-org/synapse/issues/16124))
- User constent and third-party ID changes capability cannot be enabled when using experimental [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) support. ([\#16127](https://github.com/matrix-org/synapse/issues/16127), [\#16134](https://github.com/matrix-org/synapse/issues/16134))
- Fix a rare race that could block new events from being sent for up to two minutes. Introduced in v1.90.0. ([\#16133](https://github.com/matrix-org/synapse/issues/16133), [\#16169](https://github.com/matrix-org/synapse/issues/16169))
- Fix performance degredation when there are a lot of in-flight replication requests. ([\#16148](https://github.com/matrix-org/synapse/issues/16148))
- Fix a bug introduced in 1.87 where synapse would send an excessive amount of federation requests to servers which have been offline for a long time. Contributed by Nico. ([\#16156](https://github.com/matrix-org/synapse/issues/16156), [\#16164](https://github.com/matrix-org/synapse/issues/16164))

- Structured logging docs: add a link to explain the ELK stack ([\#16091](https://github.com/matrix-org/synapse/issues/16091))

- Update dehydrated devices implementation. ([\#16010](https://github.com/matrix-org/synapse/issues/16010))
- Fix database performance of read/write worker locks. ([\#16061](https://github.com/matrix-org/synapse/issues/16061))
- Fix building the nix development environment on MacOS systems. ([\#16063](https://github.com/matrix-org/synapse/issues/16063))
- Override global statement timeout when creating indexes in Postgres. ([\#16085](https://github.com/matrix-org/synapse/issues/16085))
- Fix the type annotation on `run_db_interaction` in the Module API. ([\#16089](https://github.com/matrix-org/synapse/issues/16089))
- Clean-up the presence code. ([\#16092](https://github.com/matrix-org/synapse/issues/16092))
- Run `pyupgrade` for Python 3.8+. ([\#16110](https://github.com/matrix-org/synapse/issues/16110))
- Rename pagination and purge locks and add comments to explain why they exist and how they work. ([\#16112](https://github.com/matrix-org/synapse/issues/16112))
- Attempt to fix the twisted trunk job. ([\#16115](https://github.com/matrix-org/synapse/issues/16115))
- Cache token introspection response from OIDC provider. ([\#16117](https://github.com/matrix-org/synapse/issues/16117))
- Add cache to `get_server_keys_json_for_remote`. ([\#16123](https://github.com/matrix-org/synapse/issues/16123))
- Add an admin endpoint to allow authorizing server to signal token revocations. ([\#16125](https://github.com/matrix-org/synapse/issues/16125))
- Add response time metrics for introspection requests for delegated auth. ([\#16131](https://github.com/matrix-org/synapse/issues/16131))
- [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861): allow impersonation by an admin user using `_oidc_admin_impersonate_user_id` query parameter. ([\#16132](https://github.com/matrix-org/synapse/issues/16132))
- Increase performance of read/write locks. ([\#16149](https://github.com/matrix-org/synapse/issues/16149))
- Improve presence tests. ([\#16150](https://github.com/matrix-org/synapse/issues/16150), [\#16151](https://github.com/matrix-org/synapse/issues/16151), [\#16158](https://github.com/matrix-org/synapse/issues/16158))
- Raised the poetry-core version cap to 1.7.0. ([\#16152](https://github.com/matrix-org/synapse/issues/16152))
- Fix assertion in user directory unit tests. ([\#16157](https://github.com/matrix-org/synapse/issues/16157))
- Reduce scope of locks when paginating to alleviate DB contention. ([\#16159](https://github.com/matrix-org/synapse/issues/16159))
- Reduce DB contention on worker locks. ([\#16160](https://github.com/matrix-org/synapse/issues/16160))
- Task scheduler: mark task as active if we are scheduling as soon as possible. ([\#16165](https://github.com/matrix-org/synapse/issues/16165))
- Implements a task scheduler for	resumable potentially long running tasks. ([\#15891](https://github.com/matrix-org/synapse/issues/15891))

* Bump click from 8.1.6 to 8.1.7. ([\#16145](https://github.com/matrix-org/synapse/issues/16145))
* Bump gitpython from 3.1.31 to 3.1.32. ([\#16103](https://github.com/matrix-org/synapse/issues/16103))
* Bump ijson from 3.2.1 to 3.2.3. ([\#16143](https://github.com/matrix-org/synapse/issues/16143))
* Bump isort from 5.11.5 to 5.12.0. ([\#16108](https://github.com/matrix-org/synapse/issues/16108))
* Bump log from 0.4.19 to 0.4.20. ([\#16109](https://github.com/matrix-org/synapse/issues/16109))
* Bump pygithub from 1.59.0 to 1.59.1. ([\#16144](https://github.com/matrix-org/synapse/issues/16144))
* Bump sentry-sdk from 1.28.1 to 1.29.2. ([\#16142](https://github.com/matrix-org/synapse/issues/16142))
* Bump serde from 1.0.183 to 1.0.184. ([\#16139](https://github.com/matrix-org/synapse/issues/16139))
* Bump txredisapi from 1.4.9 to 1.4.10. ([\#16107](https://github.com/matrix-org/synapse/issues/16107))
* Bump types-bleach from 6.0.0.3 to 6.0.0.4. ([\#16106](https://github.com/matrix-org/synapse/issues/16106))
* Bump types-pillow from 10.0.0.1 to 10.0.0.2. ([\#16105](https://github.com/matrix-org/synapse/issues/16105))
* Bump types-pyopenssl from 23.2.0.1 to 23.2.0.2. ([\#16146](https://github.com/matrix-org/synapse/issues/16146))
  • v1.90.0
    29638220 · 1.90.0 · 
    No significant changes since 1.90.0rc1.

- Scope transaction IDs to devices (implement [MSC3970](https://github.com/matrix-org/matrix-spec-proposals/pull/3970)). ([\#15629](https://github.com/matrix-org/synapse/issues/15629))
- Remove old rows from the `cache_invalidation_stream_by_instance` table automatically (this table is unused in SQLite). ([\#15868](https://github.com/matrix-org/synapse/issues/15868))

- Fix a long-standing bug where purging history and paginating simultaneously could lead to database corruption when using workers. ([\#15791](https://github.com/matrix-org/synapse/issues/15791))
- Fix a long-standing bug where profile endpoint returned a 404 when the user's display name was empty. ([\#16012](https://github.com/matrix-org/synapse/issues/16012))
- Fix a long-standing bug where the `synapse_port_db` failed to configure sequences for application services and partial stated rooms. ([\#16043](https://github.com/matrix-org/synapse/issues/16043))
- Fix long-standing bug with deletion in dehydrated devices v2. ([\#16046](https://github.com/matrix-org/synapse/issues/16046))

- Add `org.opencontainers.image.version` labels to Docker containers [published by Matrix.org](https://hub.docker.com/r/matrixdotorg/synapse). Contributed by Mo Balaa. ([\#15972](https://github.com/matrix-org/synapse/issues/15972), [\#16009](https://github.com/matrix-org/synapse/issues/16009))

- Add a internal documentation page describing the ["streams" used within Synapse](https://matrix-org.github.io/synapse/v1.90/development/synapse_architecture/streams.html). ([\#16015](https://github.com/matrix-org/synapse/issues/16015))
- Clarify comment on the keys/upload over replication enpoint. ([\#16016](https://github.com/matrix-org/synapse/issues/16016))
- Do not expose Admin API in caddy reverse proxy example. Contributed by @NilsIrl. ([\#16027](https://github.com/matrix-org/synapse/issues/16027))

- Remove support for legacy application service paths. ([\#15964](https://github.com/matrix-org/synapse/issues/15964))
- Move support for application service query parameter authorization behind a configuration option. ([\#16017](https://github.com/matrix-org/synapse/issues/16017))

- Update SQL queries to inline boolean parameters as supported in SQLite 3.27. ([\#15525](https://github.com/matrix-org/synapse/issues/15525))
- Allow for the configuration of the backoff algorithm for federation destinations. ([\#15754](https://github.com/matrix-org/synapse/issues/15754))
- Allow modules to check whether the current worker is configured to run background tasks. ([\#15991](https://github.com/matrix-org/synapse/issues/15991))
- Update support for [MSC3958](https://github.com/matrix-org/matrix-spec-proposals/pull/3958) to match the latest revision of the MSC. ([\#15992](https://github.com/matrix-org/synapse/issues/15992))
- Allow modules to schedule delayed background calls. ([\#15993](https://github.com/matrix-org/synapse/issues/15993))
- Properly overwrite the `redacts` content-property for forwards-compatibility with room versions 1 through 10. ([\#16013](https://github.com/matrix-org/synapse/issues/16013))
- Fix building the nix development environment on MacOS systems. ([\#16019](https://github.com/matrix-org/synapse/issues/16019))
- Remove leading and trailing spaces when setting a display name. ([\#16031](https://github.com/matrix-org/synapse/issues/16031))
- Combine duplicated code. ([\#16023](https://github.com/matrix-org/synapse/issues/16023))
- Collect additional metrics from `ResponseCache` for eviction. ([\#16028](https://github.com/matrix-org/synapse/issues/16028))
- Fix endpoint improperly declaring support for MSC3814. ([\#16068](https://github.com/matrix-org/synapse/issues/16068))
- Drop backwards compat hack for event serialization. ([\#16069](https://github.com/matrix-org/synapse/issues/16069))

* Update PyYAML to 6.0.1. ([\#16011](https://github.com/matrix-org/synapse/issues/16011))
* Bump cryptography from 41.0.2 to 41.0.3. ([\#16048](https://github.com/matrix-org/synapse/issues/16048))
* Bump furo from 2023.5.20 to 2023.7.26. ([\#16077](https://github.com/matrix-org/synapse/issues/16077))
* Bump immutabledict from 2.2.4 to 3.0.0. ([\#16034](https://github.com/matrix-org/synapse/issues/16034))
* Update certifi to 2023.7.22 and pygments to 2.15.1. ([\#16044](https://github.com/matrix-org/synapse/issues/16044))
* Bump jsonschema from 4.18.3 to 4.19.0. ([\#16081](https://github.com/matrix-org/synapse/issues/16081))
* Bump phonenumbers from 8.13.14 to 8.13.18. ([\#16076](https://github.com/matrix-org/synapse/issues/16076))
* Bump regex from 1.9.1 to 1.9.3. ([\#16073](https://github.com/matrix-org/synapse/issues/16073))
* Bump serde from 1.0.171 to 1.0.175. ([\#15982](https://github.com/matrix-org/synapse/issues/15982))
* Bump serde from 1.0.175 to 1.0.179. ([\#16033](https://github.com/matrix-org/synapse/issues/16033))
* Bump serde from 1.0.179 to 1.0.183. ([\#16074](https://github.com/matrix-org/synapse/issues/16074))
* Bump serde_json from 1.0.103 to 1.0.104. ([\#16032](https://github.com/matrix-org/synapse/issues/16032))
* Bump service-identity from 21.1.0 to 23.1.0. ([\#16038](https://github.com/matrix-org/synapse/issues/16038))
* Bump types-commonmark from 0.9.2.3 to 0.9.2.4. ([\#16037](https://github.com/matrix-org/synapse/issues/16037))
* Bump types-jsonschema from 4.17.0.8 to 4.17.0.10. ([\#16036](https://github.com/matrix-org/synapse/issues/16036))
* Bump types-netaddr from 0.8.0.8 to 0.8.0.9. ([\#16035](https://github.com/matrix-org/synapse/issues/16035))
* Bump types-opentracing from 2.4.10.5 to 2.4.10.6. ([\#16078](https://github.com/matrix-org/synapse/issues/16078))
* Bump types-setuptools from 68.0.0.0 to 68.0.0.3. ([\#16079](https://github.com/matrix-org/synapse/issues/16079))
  • v1.90.0rc1
    45818098 · Fixup changelog · 
    - Scope transaction IDs to devices (implement [MSC3970](https://github.com/matrix-org/matrix-spec-proposals/pull/3970)). ([\#15629](https://github.com/matrix-org/synapse/issues/15629))
- Remove old rows from the `cache_invalidation_stream_by_instance` table automatically (this table is unused in SQLite). ([\#15868](https://github.com/matrix-org/synapse/issues/15868))

- Fix a long-standing bug where purging history and paginating simultaneously could lead to database corruption when using workers. ([\#15791](https://github.com/matrix-org/synapse/issues/15791))
- Fix a long-standing bug where profile endpoint returned a 404 when the user's display name was empty. ([\#16012](https://github.com/matrix-org/synapse/issues/16012))
- Fix a long-standing bug where the `synapse_port_db` failed to configure sequences for application services and partial stated rooms. ([\#16043](https://github.com/matrix-org/synapse/issues/16043))
- Fix long-standing bug with deletion in dehydrated devices v2. ([\#16046](https://github.com/matrix-org/synapse/issues/16046))

- Add `org.opencontainers.image.version` labels to Docker containers [published by Matrix.org](https://hub.docker.com/r/matrixdotorg/synapse). Contributed by Mo Balaa. ([\#15972](https://github.com/matrix-org/synapse/issues/15972), [\#16009](https://github.com/matrix-org/synapse/issues/16009))

- Add a internal documentation page describing the ["streams" used within Synapse](https://matrix-org.github.io/synapse/v1.90/development/synapse_architecture/streams.html). ([\#16015](https://github.com/matrix-org/synapse/issues/16015))
- Clarify comment on the keys/upload over replication enpoint. ([\#16016](https://github.com/matrix-org/synapse/issues/16016))
- Do not expose Admin API in caddy reverse proxy example. Contributed by @NilsIrl. ([\#16027](https://github.com/matrix-org/synapse/issues/16027))

- Remove support for legacy application service paths. ([\#15964](https://github.com/matrix-org/synapse/issues/15964))
- Move support for application service query parameter authorization behind a configuration option. ([\#16017](https://github.com/matrix-org/synapse/issues/16017))

- Update SQL queries to inline boolean parameters as supported in SQLite 3.27. ([\#15525](https://github.com/matrix-org/synapse/issues/15525))
- Allow for the configuration of the backoff algorithm for federation destinations. ([\#15754](https://github.com/matrix-org/synapse/issues/15754))
- Allow modules to check whether the current worker is configured to run background tasks. ([\#15991](https://github.com/matrix-org/synapse/issues/15991))
- Update support for [MSC3958](https://github.com/matrix-org/matrix-spec-proposals/pull/3958) to match the latest revision of the MSC. ([\#15992](https://github.com/matrix-org/synapse/issues/15992))
- Allow modules to schedule delayed background calls. ([\#15993](https://github.com/matrix-org/synapse/issues/15993))
- Properly overwrite the `redacts` content-property for forwards-compatibility with room versions 1 through 10. ([\#16013](https://github.com/matrix-org/synapse/issues/16013))
- Fix building the nix development environment on MacOS systems. ([\#16019](https://github.com/matrix-org/synapse/issues/16019))
- Remove leading and trailing spaces when setting a display name. ([\#16031](https://github.com/matrix-org/synapse/issues/16031))
- Combine duplicated code. ([\#16023](https://github.com/matrix-org/synapse/issues/16023))
- Collect additional metrics from `ResponseCache` for eviction. ([\#16028](https://github.com/matrix-org/synapse/issues/16028))
- Fix endpoint improperly declaring support for MSC3814. ([\#16068](https://github.com/matrix-org/synapse/issues/16068))
- Drop backwards compat hack for event serialization. ([\#16069](https://github.com/matrix-org/synapse/issues/16069))

* Update PyYAML to 6.0.1. ([\#16011](https://github.com/matrix-org/synapse/issues/16011))
* Bump cryptography from 41.0.2 to 41.0.3. ([\#16048](https://github.com/matrix-org/synapse/issues/16048))
* Bump furo from 2023.5.20 to 2023.7.26. ([\#16077](https://github.com/matrix-org/synapse/issues/16077))
* Bump immutabledict from 2.2.4 to 3.0.0. ([\#16034](https://github.com/matrix-org/synapse/issues/16034))
* Update certifi to 2023.7.22 and pygments to 2.15.1. ([\#16044](https://github.com/matrix-org/synapse/issues/16044))
* Bump jsonschema from 4.18.3 to 4.19.0. ([\#16081](https://github.com/matrix-org/synapse/issues/16081))
* Bump phonenumbers from 8.13.14 to 8.13.18. ([\#16076](https://github.com/matrix-org/synapse/issues/16076))
* Bump regex from 1.9.1 to 1.9.3. ([\#16073](https://github.com/matrix-org/synapse/issues/16073))
* Bump serde from 1.0.171 to 1.0.175. ([\#15982](https://github.com/matrix-org/synapse/issues/15982))
* Bump serde from 1.0.175 to 1.0.179. ([\#16033](https://github.com/matrix-org/synapse/issues/16033))
* Bump serde from 1.0.179 to 1.0.183. ([\#16074](https://github.com/matrix-org/synapse/issues/16074))
* Bump serde_json from 1.0.103 to 1.0.104. ([\#16032](https://github.com/matrix-org/synapse/issues/16032))
* Bump service-identity from 21.1.0 to 23.1.0. ([\#16038](https://github.com/matrix-org/synapse/issues/16038))
* Bump types-commonmark from 0.9.2.3 to 0.9.2.4. ([\#16037](https://github.com/matrix-org/synapse/issues/16037))
* Bump types-jsonschema from 4.17.0.8 to 4.17.0.10. ([\#16036](https://github.com/matrix-org/synapse/issues/16036))
* Bump types-netaddr from 0.8.0.8 to 0.8.0.9. ([\#16035](https://github.com/matrix-org/synapse/issues/16035))
* Bump types-opentracing from 2.4.10.5 to 2.4.10.6. ([\#16078](https://github.com/matrix-org/synapse/issues/16078))
* Bump types-setuptools from 68.0.0.0 to 68.0.0.3. ([\#16079](https://github.com/matrix-org/synapse/issues/16079))
  • v1.89.0
    190c990a · 1.89.0 · 
    No significant changes since 1.89.0rc1.

- Add Unix Socket support for HTTP Replication Listeners. [Document and provide usage instructions](https://matrix-org.github.io/synapse/v1.89/usage/configuration/config_documentation.html#listeners) for utilizing Unix sockets in Synapse. Contributed by Jason Little. ([\#15708](https://github.com/matrix-org/synapse/issues/15708), [\#15924](https://github.com/matrix-org/synapse/issues/15924))
- Allow `+` in Matrix IDs, per [MSC4009](https://github.com/matrix-org/matrix-spec-proposals/pull/4009). ([\#15911](https://github.com/matrix-org/synapse/issues/15911))
- Support room version 11 from [MSC3820](https://github.com/matrix-org/matrix-spec-proposals/pull/3820). ([\#15912](https://github.com/matrix-org/synapse/issues/15912))
- Allow configuring the set of workers to proxy outbound federation traffic through via `outbound_federation_restricted_to`. ([\#15913](https://github.com/matrix-org/synapse/issues/15913), [\#15969](https://github.com/matrix-org/synapse/issues/15969))
- Implement [MSC3814](https://github.com/matrix-org/matrix-spec-proposals/pull/3814), dehydrated devices v2/shrivelled sessions and move [MSC2697](https://github.com/matrix-org/matrix-spec-proposals/pull/2697) behind a config flag. Contributed by Nico from Famedly, H-Shay and poljar. ([\#15929](https://github.com/matrix-org/synapse/issues/15929))

- Fix a long-standing bug where remote invites weren't correctly pushed. ([\#15820](https://github.com/matrix-org/synapse/issues/15820))
- Fix background schema updates failing over a large upgrade gap. ([\#15887](https://github.com/matrix-org/synapse/issues/15887))
- Fix a bug introduced in 1.86.0 where Synapse starting with an empty `experimental_features` configuration setting. ([\#15925](https://github.com/matrix-org/synapse/issues/15925))
- Fixed deploy annotations in the provided Grafana dashboard config, so that it shows for any homeserver and not just matrix.org. Contributed by @wrjlewis. ([\#15957](https://github.com/matrix-org/synapse/issues/15957))
- Ensure a long state res does not starve CPU by occasionally yielding to the reactor. ([\#15960](https://github.com/matrix-org/synapse/issues/15960))
- Properly handle redactions of creation events. ([\#15973](https://github.com/matrix-org/synapse/issues/15973))
- Fix a bug where resyncing stale device lists could block responding to federation transactions, and thus delay receiving new data from the remote server. ([\#15975](https://github.com/matrix-org/synapse/issues/15975))

- Better clarify how to run a worker instance (pass both configs). ([\#15921](https://github.com/matrix-org/synapse/issues/15921))
- Improve [the documentation](https://matrix-org.github.io/synapse/v1.89/admin_api/user_admin_api.html#login-as-a-user) for the login as a user admin API. ([\#15938](https://github.com/matrix-org/synapse/issues/15938))
- Fix broken Arch Linux package link. Contributed by @SnipeXandrej. ([\#15981](https://github.com/matrix-org/synapse/issues/15981))

- Remove support for calling the `/register` endpoint with an unspecced `user` property for application services. ([\#15928](https://github.com/matrix-org/synapse/issues/15928))

- Mark `get_user_in_directory` private since it is only used in tests. Also remove the cache from it. ([\#15884](https://github.com/matrix-org/synapse/issues/15884))
- Document which Python version runs on a given Linux distribution so we can more easily clean up later. ([\#15909](https://github.com/matrix-org/synapse/issues/15909))
- Add details to warning in log when we fail to fetch an alias. ([\#15922](https://github.com/matrix-org/synapse/issues/15922))
- Remove unneeded `__init__`. ([\#15926](https://github.com/matrix-org/synapse/issues/15926))
- Fix bug with read/write lock implementation. This is currently unused so has no observable effects. ([\#15933](https://github.com/matrix-org/synapse/issues/15933), [\#15958](https://github.com/matrix-org/synapse/issues/15958))
- Unbreak the nix development environment by pinning the Rust version to 1.70.0. ([\#15940](https://github.com/matrix-org/synapse/issues/15940))
- Update presence metrics to differentiate remote vs local users. ([\#15952](https://github.com/matrix-org/synapse/issues/15952))
- Stop reading from column `user_id` of table `profiles`. ([\#15955](https://github.com/matrix-org/synapse/issues/15955))
- Build packages for Debian Trixie. ([\#15961](https://github.com/matrix-org/synapse/issues/15961))
- Reduce the amount of state we pull out. ([\#15968](https://github.com/matrix-org/synapse/issues/15968))
- Speed up updating state in large rooms. ([\#15971](https://github.com/matrix-org/synapse/issues/15971))

* Bump anyhow from 1.0.71 to 1.0.72. ([\#15949](https://github.com/matrix-org/synapse/issues/15949))
* Bump click from 8.1.3 to 8.1.6. ([\#15984](https://github.com/matrix-org/synapse/issues/15984))
* Bump cryptography from 41.0.1 to 41.0.2. ([\#15943](https://github.com/matrix-org/synapse/issues/15943))
* Bump jsonschema from 4.17.3 to 4.18.3. ([\#15948](https://github.com/matrix-org/synapse/issues/15948))
* Bump pillow from 9.4.0 to 10.0.0. ([\#15986](https://github.com/matrix-org/synapse/issues/15986))
* Bump prometheus-client from 0.17.0 to 0.17.1. ([\#15945](https://github.com/matrix-org/synapse/issues/15945))
* Bump pydantic from 1.10.10 to 1.10.11. ([\#15946](https://github.com/matrix-org/synapse/issues/15946))
* Bump pygithub from 1.58.2 to 1.59.0. ([\#15834](https://github.com/matrix-org/synapse/issues/15834))
* Bump pyo3-log from 0.8.2 to 0.8.3. ([\#15951](https://github.com/matrix-org/synapse/issues/15951))
* Bump sentry-sdk from 1.26.0 to 1.28.1. ([\#15985](https://github.com/matrix-org/synapse/issues/15985))
* Bump serde_json from 1.0.100 to 1.0.103. ([\#15950](https://github.com/matrix-org/synapse/issues/15950))
* Bump types-pillow from 9.5.0.4 to 10.0.0.1. ([\#15932](https://github.com/matrix-org/synapse/issues/15932))
* Bump types-requests from 2.31.0.1 to 2.31.0.2. ([\#15983](https://github.com/matrix-org/synapse/issues/15983))
* Bump typing-extensions from 4.5.0 to 4.7.1. ([\#15947](https://github.com/matrix-org/synapse/issues/15947))
  • v1.89.0rc1
    76e392b0 · Edit changelog · 
    - Add Unix Socket support for HTTP Replication Listeners. [Document and provide usage instructions](https://matrix-org.github.io/synapse/v1.89/usage/configuration/config_documentation.html#listeners) for utilizing Unix sockets in Synapse. Contributed by Jason Little. ([\#15708](https://github.com/matrix-org/synapse/issues/15708), [\#15924](https://github.com/matrix-org/synapse/issues/15924))
- Allow `+` in Matrix IDs, per [MSC4009](https://github.com/matrix-org/matrix-spec-proposals/pull/4009). ([\#15911](https://github.com/matrix-org/synapse/issues/15911))
- Support room version 11 from [MSC3820](https://github.com/matrix-org/matrix-spec-proposals/pull/3820). ([\#15912](https://github.com/matrix-org/synapse/issues/15912))
- Allow configuring the set of workers to proxy outbound federation traffic through via `outbound_federation_restricted_to`. ([\#15913](https://github.com/matrix-org/synapse/issues/15913), [\#15969](https://github.com/matrix-org/synapse/issues/15969))
- Implement [MSC3814](https://github.com/matrix-org/matrix-spec-proposals/pull/3814), dehydrated devices v2/shrivelled sessions and move [MSC2697](https://github.com/matrix-org/matrix-spec-proposals/pull/2697) behind a config flag. Contributed by Nico from Famedly, H-Shay and poljar. ([\#15929](https://github.com/matrix-org/synapse/issues/15929))

- Fix a long-standing bug where remote invites weren't correctly pushed. ([\#15820](https://github.com/matrix-org/synapse/issues/15820))
- Fix background schema updates failing over a large upgrade gap. ([\#15887](https://github.com/matrix-org/synapse/issues/15887))
- Fix a bug introduced in 1.86.0 where Synapse starting with an empty `experimental_features` configuration setting. ([\#15925](https://github.com/matrix-org/synapse/issues/15925))
- Fixed deploy annotations in the provided Grafana dashboard config, so that it shows for any homeserver and not just matrix.org. Contributed by @wrjlewis. ([\#15957](https://github.com/matrix-org/synapse/issues/15957))
- Ensure a long state res does not starve CPU by occasionally yielding to the reactor. ([\#15960](https://github.com/matrix-org/synapse/issues/15960))
- Properly handle redactions of creation events. ([\#15973](https://github.com/matrix-org/synapse/issues/15973))
- Fix a bug where resyncing stale device lists could block responding to federation transactions, and thus delay receiving new data from the remote server. ([\#15975](https://github.com/matrix-org/synapse/issues/15975))

- Better clarify how to run a worker instance (pass both configs). ([\#15921](https://github.com/matrix-org/synapse/issues/15921))
- Improve [the documentation](https://matrix-org.github.io/synapse/v1.89/admin_api/user_admin_api.html#login-as-a-user) for the login as a user admin API. ([\#15938](https://github.com/matrix-org/synapse/issues/15938))
- Fix broken Arch Linux package link. Contributed by @SnipeXandrej. ([\#15981](https://github.com/matrix-org/synapse/issues/15981))

- Remove support for calling the `/register` endpoint with an unspecced `user` property for application services. ([\#15928](https://github.com/matrix-org/synapse/issues/15928))

- Mark `get_user_in_directory` private since it is only used in tests. Also remove the cache from it. ([\#15884](https://github.com/matrix-org/synapse/issues/15884))
- Document which Python version runs on a given Linux distribution so we can more easily clean up later. ([\#15909](https://github.com/matrix-org/synapse/issues/15909))
- Add details to warning in log when we fail to fetch an alias. ([\#15922](https://github.com/matrix-org/synapse/issues/15922))
- Remove unneeded `__init__`. ([\#15926](https://github.com/matrix-org/synapse/issues/15926))
- Fix bug with read/write lock implementation. This is currently unused so has no observable effects. ([\#15933](https://github.com/matrix-org/synapse/issues/15933), [\#15958](https://github.com/matrix-org/synapse/issues/15958))
- Unbreak the nix development environment by pinning the Rust version to 1.70.0. ([\#15940](https://github.com/matrix-org/synapse/issues/15940))
- Update presence metrics to differentiate remote vs local users. ([\#15952](https://github.com/matrix-org/synapse/issues/15952))
- Stop reading from column `user_id` of table `profiles`. ([\#15955](https://github.com/matrix-org/synapse/issues/15955))
- Build packages for Debian Trixie. ([\#15961](https://github.com/matrix-org/synapse/issues/15961))
- Reduce the amount of state we pull out. ([\#15968](https://github.com/matrix-org/synapse/issues/15968))
- Speed up updating state in large rooms. ([\#15971](https://github.com/matrix-org/synapse/issues/15971))

* Bump anyhow from 1.0.71 to 1.0.72. ([\#15949](https://github.com/matrix-org/synapse/issues/15949))
* Bump click from 8.1.3 to 8.1.6. ([\#15984](https://github.com/matrix-org/synapse/issues/15984))
* Bump cryptography from 41.0.1 to 41.0.2. ([\#15943](https://github.com/matrix-org/synapse/issues/15943))
* Bump jsonschema from 4.17.3 to 4.18.3. ([\#15948](https://github.com/matrix-org/synapse/issues/15948))
* Bump pillow from 9.4.0 to 10.0.0. ([\#15986](https://github.com/matrix-org/synapse/issues/15986))
* Bump prometheus-client from 0.17.0 to 0.17.1. ([\#15945](https://github.com/matrix-org/synapse/issues/15945))
* Bump pydantic from 1.10.10 to 1.10.11. ([\#15946](https://github.com/matrix-org/synapse/issues/15946))
* Bump pygithub from 1.58.2 to 1.59.0. ([\#15834](https://github.com/matrix-org/synapse/issues/15834))
* Bump pyo3-log from 0.8.2 to 0.8.3. ([\#15951](https://github.com/matrix-org/synapse/issues/15951))
* Bump sentry-sdk from 1.26.0 to 1.28.1. ([\#15985](https://github.com/matrix-org/synapse/issues/15985))
* Bump serde_json from 1.0.100 to 1.0.103. ([\#15950](https://github.com/matrix-org/synapse/issues/15950))
* Bump types-pillow from 9.5.0.4 to 10.0.0.1. ([\#15932](https://github.com/matrix-org/synapse/issues/15932))
* Bump types-requests from 2.31.0.1 to 2.31.0.2. ([\#15983](https://github.com/matrix-org/synapse/issues/15983))
* Bump typing-extensions from 4.5.0 to 4.7.1. ([\#15947](https://github.com/matrix-org/synapse/issues/15947))
  • v1.88.0
    69699a9b · 1.88.0 · 
    This release
 - raises the minimum supported version of Python to 3.8, as Python 3.7 is now [end-of-life](https://devguide.python.org/versions/), and
 - removes deprecated config options related to worker deployment.

See [the upgrade notes](https://github.com/matrix-org/synapse/blob/release-v1.88/docs/upgrade.md#upgrading-to-v1880) for more information.

- Revert "Stop writing to column `user_id` of tables `profiles` and `user_filters`", which was introduced in Synapse 1.88.0rc1. ([\#15953](https://github.com/matrix-org/synapse/issues/15953))

- Add `not_user_type` param to the [list accounts admin API](https://matrix-org.github.io/synapse/v1.88/admin_api/user_admin_api.html#list-accounts). ([\#15844](https://github.com/matrix-org/synapse/issues/15844))

- Pin `pydantic` to `^=1.7.4` to avoid backwards-incompatible API changes from the 2.0.0 release.
  Contributed by @PaarthShah. ([\#15862](https://github.com/matrix-org/synapse/issues/15862))
- Correctly resize thumbnails with pillow version >=10. ([\#15876](https://github.com/matrix-org/synapse/issues/15876))

- Fixed header levels on the [Admin API "Users"](https://matrix-org.github.io/synapse/v1.87/admin_api/user_admin_api.html) documentation page. Contributed by @sumnerevans at @beeper. ([\#15852](https://github.com/matrix-org/synapse/issues/15852))
- Remove deprecated `worker_replication_host`, `worker_replication_http_port` and `worker_replication_http_tls` configuration options. ([\#15872](https://github.com/matrix-org/synapse/issues/15872))

- **Remove deprecated `worker_replication_host`, `worker_replication_http_port` and `worker_replication_http_tls` configuration options.** See the [upgrade notes](https://github.com/matrix-org/synapse/blob/release-v1.88/docs/upgrade.md#removal-of-worker_replication_-settings) for more details. ([\#15860](https://github.com/matrix-org/synapse/issues/15860))
- Remove support for Python 3.7 and hence for Debian Buster. ([\#15851](https://github.com/matrix-org/synapse/issues/15851), [\#15892](https://github.com/matrix-org/synapse/issues/15892), [\#15893](https://github.com/matrix-org/synapse/issues/15893), [\#15917](https://github.com/matrix-org/synapse/pull/15917))

- Add foreign key constraint to `event_forward_extremities`. ([\#15751](https://github.com/matrix-org/synapse/issues/15751), [\#15907](https://github.com/matrix-org/synapse/issues/15907))
- Add read/write style cross-worker locks. ([\#15782](https://github.com/matrix-org/synapse/issues/15782))
- Stop writing to column `user_id` of tables `profiles` and `user_filters`. ([\#15787](https://github.com/matrix-org/synapse/issues/15787))
- Use lower isolation level when cleaning old presence stream data to avoid serialization errors. ([\#15826](https://github.com/matrix-org/synapse/issues/15826))
- Add tracing to media `/upload` code paths. ([\#15850](https://github.com/matrix-org/synapse/issues/15850), [\#15888](https://github.com/matrix-org/synapse/issues/15888))
- Add a timeout that aborts any Postgres statement taking more than 1 hour. ([\#15853](https://github.com/matrix-org/synapse/issues/15853))
- Fix the `devenv up` configuration which was ignoring the config overrides. ([\#15854](https://github.com/matrix-org/synapse/issues/15854))
- Optimised cleanup of old entries in `device_lists_stream`. ([\#15861](https://github.com/matrix-org/synapse/issues/15861))
- Update the Matrix clients link in the _It works! Synapse is running_ landing page. ([\#15874](https://github.com/matrix-org/synapse/issues/15874))
- Fix building Synapse with the nightly Rust compiler. ([\#15906](https://github.com/matrix-org/synapse/issues/15906))
- Add `Server` to Access-Control-Expose-Headers header. ([\#15908](https://github.com/matrix-org/synapse/issues/15908))

* Bump authlib from 1.2.0 to 1.2.1. ([\#15864](https://github.com/matrix-org/synapse/issues/15864))
* Bump importlib-metadata from 6.6.0 to 6.7.0. ([\#15865](https://github.com/matrix-org/synapse/issues/15865))
* Bump lxml from 4.9.2 to 4.9.3. ([\#15897](https://github.com/matrix-org/synapse/issues/15897))
* Bump regex from 1.8.4 to 1.9.1. ([\#15902](https://github.com/matrix-org/synapse/issues/15902))
* Bump ruff from 0.0.275 to 0.0.277. ([\#15900](https://github.com/matrix-org/synapse/issues/15900))
* Bump sentry-sdk from 1.25.1 to 1.26.0. ([\#15867](https://github.com/matrix-org/synapse/issues/15867))
* Bump serde_json from 1.0.99 to 1.0.100. ([\#15901](https://github.com/matrix-org/synapse/issues/15901))
* Bump types-pyopenssl from 23.2.0.0 to 23.2.0.1. ([\#15866](https://github.com/matrix-org/synapse/issues/15866))
  • v1.88.0rc1
    92014fbf · Don't build wheels for Python 3.7 (#15917) · 
    This release
 - raises the minimum supported version of Python to 3.8, as Python 3.7 is now [end-of-life](https://devguide.python.org/versions/), and
 - removes deprecated config options related to worker deployment.

See [the upgrade notes](https://github.com/matrix-org/synapse/blob/release-v1.88/docs/upgrade.md#upgrading-to-v1880) for more information.

- Add `not_user_type` param to the [list accounts admin API](https://matrix-org.github.io/synapse/v1.88/admin_api/user_admin_api.html#list-accounts). ([\#15844](https://github.com/matrix-org/synapse/issues/15844))

- Pin `pydantic` to `^=1.7.4` to avoid backwards-incompatible API changes from the 2.0.0 release.
  Contributed by @PaarthShah. ([\#15862](https://github.com/matrix-org/synapse/issues/15862))
- Correctly resize thumbnails with pillow version >=10. ([\#15876](https://github.com/matrix-org/synapse/issues/15876))

- Fixed header levels on the [Admin API "Users"](https://matrix-org.github.io/synapse/v1.87/admin_api/user_admin_api.html) documentation page. Contributed by @sumnerevans at @beeper. ([\#15852](https://github.com/matrix-org/synapse/issues/15852))
- Remove deprecated `worker_replication_host`, `worker_replication_http_port` and `worker_replication_http_tls` configuration options. ([\#15872](https://github.com/matrix-org/synapse/issues/15872))

- **Remove deprecated `worker_replication_host`, `worker_replication_http_port` and `worker_replication_http_tls` configuration options.** See the [upgrade notes](https://github.com/matrix-org/synapse/blob/release-v1.88/docs/upgrade.md#removal-of-worker_replication_-settings) for more details. ([\#15860](https://github.com/matrix-org/synapse/issues/15860))
- Remove support for Python 3.7 and hence for Debian Buster. ([\#15851](https://github.com/matrix-org/synapse/issues/15851), [\#15892](https://github.com/matrix-org/synapse/issues/15892), [\#15893](https://github.com/matrix-org/synapse/issues/15893), [\#15917](https://github.com/matrix-org/synapse/pull/15917))

- Add foreign key constraint to `event_forward_extremities`. ([\#15751](https://github.com/matrix-org/synapse/issues/15751), [\#15907](https://github.com/matrix-org/synapse/issues/15907))
- Add read/write style cross-worker locks. ([\#15782](https://github.com/matrix-org/synapse/issues/15782))
- Stop writing to column `user_id` of tables `profiles` and `user_filters`. ([\#15787](https://github.com/matrix-org/synapse/issues/15787))
- Use lower isolation level when cleaning old presence stream data to avoid serialization errors. ([\#15826](https://github.com/matrix-org/synapse/issues/15826))
- Add tracing to media `/upload` code paths. ([\#15850](https://github.com/matrix-org/synapse/issues/15850), [\#15888](https://github.com/matrix-org/synapse/issues/15888))
- Add a timeout that aborts any Postgres statement taking more than 1 hour. ([\#15853](https://github.com/matrix-org/synapse/issues/15853))
- Fix the `devenv up` configuration which was ignoring the config overrides. ([\#15854](https://github.com/matrix-org/synapse/issues/15854))
- Optimised cleanup of old entries in `device_lists_stream`. ([\#15861](https://github.com/matrix-org/synapse/issues/15861))
- Update the Matrix clients link in the _It works! Synapse is running_ landing page. ([\#15874](https://github.com/matrix-org/synapse/issues/15874))
- Fix building Synapse with the nightly Rust compiler. ([\#15906](https://github.com/matrix-org/synapse/issues/15906))
- Add `Server` to Access-Control-Expose-Headers header. ([\#15908](https://github.com/matrix-org/synapse/issues/15908))

* Bump authlib from 1.2.0 to 1.2.1. ([\#15864](https://github.com/matrix-org/synapse/issues/15864))
* Bump importlib-metadata from 6.6.0 to 6.7.0. ([\#15865](https://github.com/matrix-org/synapse/issues/15865))
* Bump lxml from 4.9.2 to 4.9.3. ([\#15897](https://github.com/matrix-org/synapse/issues/15897))
* Bump regex from 1.8.4 to 1.9.1. ([\#15902](https://github.com/matrix-org/synapse/issues/15902))
* Bump ruff from 0.0.275 to 0.0.277. ([\#15900](https://github.com/matrix-org/synapse/issues/15900))
* Bump sentry-sdk from 1.25.1 to 1.26.0. ([\#15867](https://github.com/matrix-org/synapse/issues/15867))
* Bump serde_json from 1.0.99 to 1.0.100. ([\#15901](https://github.com/matrix-org/synapse/issues/15901))
* Bump types-pyopenssl from 23.2.0.0 to 23.2.0.1. ([\#15866](https://github.com/matrix-org/synapse/issues/15866))
  • v1.87.0
    1294d10c · Add notes about Python 3.7 EOL · 
    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](https://matrix-org.github.io/synapse/v1.87/deprecation_policy.html)
for more details.

- Pin `pydantic` to `^1.7.4` to avoid backwards-incompatible API changes from the 2.0.0 release.
  Resolves https://github.com/matrix-org/synapse/issues/15858.
  Contributed by @PaarthShah. ([\#15862](https://github.com/matrix-org/synapse/issues/15862))

- Split out 2022 changes from the changelog so the rendered version in GitHub doesn't timeout as much. ([\#15846](https://github.com/matrix-org/synapse/issues/15846))

- Improve `/messages` response time by avoiding backfill when we already have messages to return. ([\#15737](https://github.com/matrix-org/synapse/issues/15737))
- Add spam checker module API for logins. ([\#15838](https://github.com/matrix-org/synapse/issues/15838))

- Fix a long-standing bug where media files were served in an unsafe manner. Contributed by @joshqou. ([\#15680](https://github.com/matrix-org/synapse/issues/15680))
- Avoid invalidating a cache that was just prefilled. ([\#15758](https://github.com/matrix-org/synapse/issues/15758))
- Fix requesting multiple keys at once over federation, related to [MSC3983](https://github.com/matrix-org/matrix-spec-proposals/pull/3983). ([\#15770](https://github.com/matrix-org/synapse/issues/15770))
- Fix joining rooms through aliases where the alias server isn't a real homeserver. Contributed by @tulir @ Beeper. ([\#15776](https://github.com/matrix-org/synapse/issues/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](https://github.com/matrix-org/synapse/issues/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](https://github.com/matrix-org/synapse/issues/15788))
- Fix Sytest environmental variable evaluation in CI. ([\#15804](https://github.com/matrix-org/synapse/issues/15804))
- Fix forgotten rooms missing from initial sync after rejoining them. Contributed by Nico from Famedly. ([\#15815](https://github.com/matrix-org/synapse/issues/15815))
- Fix sqlite `user_filters` upgrade introduced in v1.86.0. ([\#15817](https://github.com/matrix-org/synapse/issues/15817))

- Document `looping_call()` functionality that will wait for the given function to finish before scheduling another. ([\#15772](https://github.com/matrix-org/synapse/issues/15772))
- Fix a typo in the [Admin API](https://matrix-org.github.io/synapse/latest/usage/administration/admin_api/index.html). ([\#15805](https://github.com/matrix-org/synapse/issues/15805))
- Fix typo in MSC number in faster remote room join architecture doc. ([\#15812](https://github.com/matrix-org/synapse/issues/15812))

- Remove experimental [MSC2716](https://github.com/matrix-org/matrix-spec-proposals/pull/2716) implementation to incrementally import history into existing rooms. ([\#15748](https://github.com/matrix-org/synapse/issues/15748))

- Replace `EventContext` fields `prev_group` and `delta_ids` with field `state_group_deltas`. ([\#15233](https://github.com/matrix-org/synapse/issues/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](https://github.com/matrix-org/synapse/issues/15743))
- Fix requesting multiple keys at once over federation, related to [MSC3983](https://github.com/matrix-org/matrix-spec-proposals/pull/3983). ([\#15755](https://github.com/matrix-org/synapse/issues/15755))
- Allow for the configuration of max request retries and min/max retry delays in the matrix federation client. ([\#15783](https://github.com/matrix-org/synapse/issues/15783))
- Switch from `matrix://` to `matrix-federation://` scheme for internal Synapse routing of outbound federation traffic. ([\#15806](https://github.com/matrix-org/synapse/issues/15806))
- Fix harmless exceptions being printed when running the port DB script. ([\#15814](https://github.com/matrix-org/synapse/issues/15814))

* Bump attrs from 22.2.0 to 23.1.0. ([\#15801](https://github.com/matrix-org/synapse/issues/15801))
* Bump cryptography from 40.0.2 to 41.0.1. ([\#15800](https://github.com/matrix-org/synapse/issues/15800))
* Bump ijson from 3.2.0.post0 to 3.2.1. ([\#15802](https://github.com/matrix-org/synapse/issues/15802))
* Bump phonenumbers from 8.13.13 to 8.13.14. ([\#15798](https://github.com/matrix-org/synapse/issues/15798))
* Bump ruff from 0.0.265 to 0.0.272. ([\#15799](https://github.com/matrix-org/synapse/issues/15799))
* Bump ruff from 0.0.272 to 0.0.275. ([\#15833](https://github.com/matrix-org/synapse/issues/15833))
* Bump serde_json from 1.0.96 to 1.0.97. ([\#15797](https://github.com/matrix-org/synapse/issues/15797))
* Bump serde_json from 1.0.97 to 1.0.99. ([\#15832](https://github.com/matrix-org/synapse/issues/15832))
* Bump towncrier from 22.12.0 to 23.6.0. ([\#15831](https://github.com/matrix-org/synapse/issues/15831))
* Bump types-opentracing from 2.4.10.4 to 2.4.10.5. ([\#15830](https://github.com/matrix-org/synapse/issues/15830))
* Bump types-setuptools from 67.8.0.0 to 68.0.0.0. ([\#15835](https://github.com/matrix-org/synapse/issues/15835))
  • v1.87.0rc1
    10ed3e23 · Note last release with Python 3.7 support · 
    Please note that this will be the last release of Synapse that is compatible with
Python 3.7 and earlier.

- Improve `/messages` response time by avoiding backfill when we already have messages to return. ([\#15737](https://github.com/matrix-org/synapse/issues/15737))
- Add spam checker module API for logins. ([\#15838](https://github.com/matrix-org/synapse/issues/15838))

- Fix a long-standing bug where media files were served in an unsafe manner. Contributed by @joshqou. ([\#15680](https://github.com/matrix-org/synapse/issues/15680))
- Avoid invalidating a cache that was just prefilled. ([\#15758](https://github.com/matrix-org/synapse/issues/15758))
- Fix requesting multiple keys at once over federation, related to [MSC3983](https://github.com/matrix-org/matrix-spec-proposals/pull/3983). ([\#15770](https://github.com/matrix-org/synapse/issues/15770))
- Fix joining rooms through aliases where the alias server isn't a real homeserver. Contributed by @tulir @ Beeper. ([\#15776](https://github.com/matrix-org/synapse/issues/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](https://github.com/matrix-org/synapse/issues/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](https://github.com/matrix-org/synapse/issues/15788))
- Fix Sytest environmental variable evaluation in CI. ([\#15804](https://github.com/matrix-org/synapse/issues/15804))
- Fix forgotten rooms missing from initial sync after rejoining them. Contributed by Nico from Famedly. ([\#15815](https://github.com/matrix-org/synapse/issues/15815))
- Fix sqlite `user_filters` upgrade introduced in v1.86.0. ([\#15817](https://github.com/matrix-org/synapse/issues/15817))

- Document `looping_call()` functionality that will wait for the given function to finish before scheduling another. ([\#15772](https://github.com/matrix-org/synapse/issues/15772))
- Fix a typo in the [Admin API](https://matrix-org.github.io/synapse/latest/usage/administration/admin_api/index.html). ([\#15805](https://github.com/matrix-org/synapse/issues/15805))
- Fix typo in MSC number in faster remote room join architecture doc. ([\#15812](https://github.com/matrix-org/synapse/issues/15812))

- Remove experimental [MSC2716](https://github.com/matrix-org/matrix-spec-proposals/pull/2716) implementation to incrementally import history into existing rooms. ([\#15748](https://github.com/matrix-org/synapse/issues/15748))

- Replace `EventContext` fields `prev_group` and `delta_ids` with field `state_group_deltas`. ([\#15233](https://github.com/matrix-org/synapse/issues/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](https://github.com/matrix-org/synapse/issues/15743))
- Fix requesting multiple keys at once over federation, related to [MSC3983](https://github.com/matrix-org/matrix-spec-proposals/pull/3983). ([\#15755](https://github.com/matrix-org/synapse/issues/15755))
- Allow for the configuration of max request retries and min/max retry delays in the matrix federation client. ([\#15783](https://github.com/matrix-org/synapse/issues/15783))
- Switch from `matrix://` to `matrix-federation://` scheme for internal Synapse routing of outbound federation traffic. ([\#15806](https://github.com/matrix-org/synapse/issues/15806))
- Fix harmless exceptions being printed when running the port DB script. ([\#15814](https://github.com/matrix-org/synapse/issues/15814))

* Bump attrs from 22.2.0 to 23.1.0. ([\#15801](https://github.com/matrix-org/synapse/issues/15801))
* Bump cryptography from 40.0.2 to 41.0.1. ([\#15800](https://github.com/matrix-org/synapse/issues/15800))
* Bump ijson from 3.2.0.post0 to 3.2.1. ([\#15802](https://github.com/matrix-org/synapse/issues/15802))
* Bump phonenumbers from 8.13.13 to 8.13.14. ([\#15798](https://github.com/matrix-org/synapse/issues/15798))
* Bump ruff from 0.0.265 to 0.0.272. ([\#15799](https://github.com/matrix-org/synapse/issues/15799))
* Bump ruff from 0.0.272 to 0.0.275. ([\#15833](https://github.com/matrix-org/synapse/issues/15833))
* Bump serde_json from 1.0.96 to 1.0.97. ([\#15797](https://github.com/matrix-org/synapse/issues/15797))
* Bump serde_json from 1.0.97 to 1.0.99. ([\#15832](https://github.com/matrix-org/synapse/issues/15832))
* Bump towncrier from 22.12.0 to 23.6.0. ([\#15831](https://github.com/matrix-org/synapse/issues/15831))
* Bump types-opentracing from 2.4.10.4 to 2.4.10.5. ([\#15830](https://github.com/matrix-org/synapse/issues/15830))
* Bump types-setuptools from 67.8.0.0 to 68.0.0.0. ([\#15835](https://github.com/matrix-org/synapse/issues/15835))
  • v1.86.0
    7d3da399 · 1.86.0 · 
    Synapse 1.86.0 (2023-06-20)
===========================

No significant changes since 1.86.0rc2.

Synapse 1.86.0rc2 (2023-06-14)
==============================

Bugfixes
--------

- Fix an error when having workers of different versions running. ([\#15774](https://github.com/matrix-org/synapse/issues/15774))

Synapse 1.86.0rc1 (2023-06-13)
==============================

This version was tagged but never released.

Features
--------

- Stable support for [MSC3882](https://github.com/matrix-org/matrix-spec-proposals/pull/3882) to allow an existing device/session to generate a login token for use on a new device/session. ([\#15388](https://github.com/matrix-org/synapse/issues/15388))
- Support resolving a room's [canonical alias](https://spec.matrix.org/v1.7/client-server-api/#mroomcanonical_alias) via the module API. ([\#15450](https://github.com/matrix-org/synapse/issues/15450))
- Enable support for [MSC3952](https://github.com/matrix-org/matrix-spec-proposals/pull/3952): intentional mentions. ([\#15520](https://github.com/matrix-org/synapse/issues/15520))
- Experimental [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) support: delegate auth to an OIDC provider. ([\#15582](https://github.com/matrix-org/synapse/issues/15582))
- Add Synapse version deploy annotations to Grafana dashboard which enables easy correlation between behavior changes witnessed in a graph to a certain Synapse version and nail down regressions. ([\#15674](https://github.com/matrix-org/synapse/issues/15674))
- Add a catch-all * to the supported relation types when redacting an event and its related events. This is an update to [MSC3912](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) implementation. ([\#15705](https://github.com/matrix-org/synapse/issues/15705))
- Speed up `/messages` by backfilling in the background when there are no backward extremities where we are directly paginating. ([\#15710](https://github.com/matrix-org/synapse/issues/15710))
- Expose a metric reporting the database background update status. ([\#15740](https://github.com/matrix-org/synapse/issues/15740))

Bugfixes
--------

- Correctly clear caches when we delete a room. ([\#15609](https://github.com/matrix-org/synapse/issues/15609))
- Check permissions for enabling encryption earlier during room creation to avoid creating broken rooms. ([\#15695](https://github.com/matrix-org/synapse/issues/15695))

Improved Documentation
----------------------

- Simplify query to find participating servers in a room. ([\#15732](https://github.com/matrix-org/synapse/issues/15732))

Internal Changes
----------------

- Log when events are (maybe unexpectedly) filtered out of responses in tests. ([\#14213](https://github.com/matrix-org/synapse/issues/14213))
- Read from column `full_user_id` rather than `user_id` of tables `profiles` and `user_filters`. ([\#15649](https://github.com/matrix-org/synapse/issues/15649))
- Add support for tracing functions which return `Awaitable`s. ([\#15650](https://github.com/matrix-org/synapse/issues/15650))
- Cache requests for user's devices over federation. ([\#15675](https://github.com/matrix-org/synapse/issues/15675))
- Add fully qualified docker image names to Dockerfiles. ([\#15689](https://github.com/matrix-org/synapse/issues/15689))
- Remove some unused code. ([\#15690](https://github.com/matrix-org/synapse/issues/15690))
- Improve type hints. ([\#15694](https://github.com/matrix-org/synapse/issues/15694), [\#15697](https://github.com/matrix-org/synapse/issues/15697))
- Update docstring and traces on `maybe_backfill()` functions. ([\#15709](https://github.com/matrix-org/synapse/issues/15709))
- Add context for when/why to use the `long_retries` option when sending Federation requests. ([\#15721](https://github.com/matrix-org/synapse/issues/15721))
- Removed some unused fields. ([\#15723](https://github.com/matrix-org/synapse/issues/15723))
- Update federation error to more plainly explain we can only authorize our own membership events. ([\#15725](https://github.com/matrix-org/synapse/issues/15725))
- Prevent the `latest_deps` and `twisted_trunk` daily GitHub Actions workflows from running on forks of the codebase. ([\#15726](https://github.com/matrix-org/synapse/issues/15726))
- Improve performance of user directory search. ([\#15729](https://github.com/matrix-org/synapse/issues/15729))
- Remove redundant table join with `room_memberships` when doing a `is_host_joined()`/`is_host_invited()` call (`membership` is already part of the `current_state_events`). ([\#15731](https://github.com/matrix-org/synapse/issues/15731))
- Remove superfluous `room_memberships` join from background update. ([\#15733](https://github.com/matrix-org/synapse/issues/15733))
- Speed up typechecking CI. ([\#15752](https://github.com/matrix-org/synapse/issues/15752))
- Bump minimum supported Rust version to 1.60.0. ([\#15768](https://github.com/matrix-org/synapse/issues/15768))

* Bump importlib-metadata from 6.1.0 to 6.6.0. ([\#15711](https://github.com/matrix-org/synapse/issues/15711))
* Bump library/redis from 6-bullseye to 7-bullseye in /docker. ([\#15712](https://github.com/matrix-org/synapse/issues/15712))
* Bump log from 0.4.18 to 0.4.19. ([\#15761](https://github.com/matrix-org/synapse/issues/15761))
* Bump phonenumbers from 8.13.11 to 8.13.13. ([\#15763](https://github.com/matrix-org/synapse/issues/15763))
* Bump pyasn1 from 0.4.8 to 0.5.0. ([\#15713](https://github.com/matrix-org/synapse/issues/15713))
* Bump pydantic from 1.10.8 to 1.10.9. ([\#15762](https://github.com/matrix-org/synapse/issues/15762))
* Bump pyo3-log from 0.8.1 to 0.8.2. ([\#15759](https://github.com/matrix-org/synapse/issues/15759))
* Bump pyopenssl from 23.1.1 to 23.2.0. ([\#15765](https://github.com/matrix-org/synapse/issues/15765))
* Bump regex from 1.7.3 to 1.8.4. ([\#15769](https://github.com/matrix-org/synapse/issues/15769))
* Bump sentry-sdk from 1.22.1 to 1.25.0. ([\#15714](https://github.com/matrix-org/synapse/issues/15714))
* Bump sentry-sdk from 1.25.0 to 1.25.1. ([\#15764](https://github.com/matrix-org/synapse/issues/15764))
* Bump serde from 1.0.163 to 1.0.164. ([\#15760](https://github.com/matrix-org/synapse/issues/15760))
* Bump types-jsonschema from 4.17.0.7 to 4.17.0.8. ([\#15716](https://github.com/matrix-org/synapse/issues/15716))
* Bump types-pyopenssl from 23.1.0.2 to 23.2.0.0. ([\#15766](https://github.com/matrix-org/synapse/issues/15766))
* Bump types-requests from 2.31.0.0 to 2.31.0.1. ([\#15715](https://github.com/matrix-org/synapse/issues/15715))
  • v1.86.0rc2
    825c5909 · 1.86.0rc2 · 
    Synapse 1.86.0rc2 (2023-06-14)
==============================

Bugfixes
--------

- Fix an error when having workers of different versions running. ([\#15774](https://github.com/matrix-org/synapse/issues/15774))
  • v1.86.0rc1
    62911583 · Fix changelog typo · 
    Synapse 1.86.0rc1 (2023-06-13)
==============================

Features
--------

- Stable support for [MSC3882](https://github.com/matrix-org/matrix-spec-proposals/pull/3882) to allow an existing device/session to generate a login token for use on a new device/session. ([\#15388](https://github.com/matrix-org/synapse/issues/15388))
- Support resolving a room's [canonical alias](https://spec.matrix.org/v1.7/client-server-api/#mroomcanonical_alias) via the module API. ([\#15450](https://github.com/matrix-org/synapse/issues/15450))
- Enable support for [MSC3952](https://github.com/matrix-org/matrix-spec-proposals/pull/3952): intentional mentions. ([\#15520](https://github.com/matrix-org/synapse/issues/15520))
- Experimental [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) support: delegate auth to an OIDC provider. ([\#15582](https://github.com/matrix-org/synapse/issues/15582))
- Add Synapse version deploy annotations to Grafana dashboard which enables easy correlation between behavior changes witnessed in a graph to a certain Synapse version and nail down regressions. ([\#15674](https://github.com/matrix-org/synapse/issues/15674))
- Add a catch-all * to the supported relation types when redacting an event and its related events. This is an update to [MSC3912](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) implementation. ([\#15705](https://github.com/matrix-org/synapse/issues/15705))
- Speed up `/messages` by backfilling in the background when there are no backward extremities where we are directly paginating. ([\#15710](https://github.com/matrix-org/synapse/issues/15710))
- Expose a metric reporting the database background update status. ([\#15740](https://github.com/matrix-org/synapse/issues/15740))

Bugfixes
--------

- Correctly clear caches when we delete a room. ([\#15609](https://github.com/matrix-org/synapse/issues/15609))
- Check permissions for enabling encryption earlier during room creation to avoid creating broken rooms. ([\#15695](https://github.com/matrix-org/synapse/issues/15695))

Improved Documentation
----------------------

- Simplify query to find participating servers in a room. ([\#15732](https://github.com/matrix-org/synapse/issues/15732))

Internal Changes
----------------

- Allow for the configuration of max request retries and min/max retry delays in the matrix federation client. ([\#12504](https://github.com/matrix-org/synapse/issues/12504))
- Log when events are (maybe unexpectedly) filtered out of responses in tests. ([\#14213](https://github.com/matrix-org/synapse/issues/14213))
- Read from column `full_user_id` rather than `user_id` of tables `profiles` and `user_filters`. ([\#15649](https://github.com/matrix-org/synapse/issues/15649))
- Add support for tracing functions which return `Awaitable`s. ([\#15650](https://github.com/matrix-org/synapse/issues/15650))
- Cache requests for user's devices over federation. ([\#15675](https://github.com/matrix-org/synapse/issues/15675))
- Add fully qualified docker image names to Dockerfiles. ([\#15689](https://github.com/matrix-org/synapse/issues/15689))
- Remove some unused code. ([\#15690](https://github.com/matrix-org/synapse/issues/15690))
- Improve type hints. ([\#15694](https://github.com/matrix-org/synapse/issues/15694), [\#15697](https://github.com/matrix-org/synapse/issues/15697))
- Update docstring and traces on `maybe_backfill()` functions. ([\#15709](https://github.com/matrix-org/synapse/issues/15709))
- Add context for when/why to use the `long_retries` option when sending Federation requests. ([\#15721](https://github.com/matrix-org/synapse/issues/15721))
- Removed some unused fields. ([\#15723](https://github.com/matrix-org/synapse/issues/15723))
- Update federation error to more plainly explain we can only authorize our own membership events. ([\#15725](https://github.com/matrix-org/synapse/issues/15725))
- Prevent the `latest_deps` and `twisted_trunk` daily GitHub Actions workflows from running on forks of the codebase. ([\#15726](https://github.com/matrix-org/synapse/issues/15726))
- Improve performance of user directory search. ([\#15729](https://github.com/matrix-org/synapse/issues/15729))
- Remove redundant table join with `room_memberships` when doing a `is_host_joined()`/`is_host_invited()` call (`membership` is already part of the `current_state_events`). ([\#15731](https://github.com/matrix-org/synapse/issues/15731))
- Remove superfluous `room_memberships` join from background update. ([\#15733](https://github.com/matrix-org/synapse/issues/15733))
- Speed up typechecking CI. ([\#15752](https://github.com/matrix-org/synapse/issues/15752))
- Bump minimum supported Rust version to 1.60.0. ([\#15768](https://github.com/matrix-org/synapse/issues/15768))

* Bump importlib-metadata from 6.1.0 to 6.6.0. ([\#15711](https://github.com/matrix-org/synapse/issues/15711))
* Bump library/redis from 6-bullseye to 7-bullseye in /docker. ([\#15712](https://github.com/matrix-org/synapse/issues/15712))
* Bump log from 0.4.18 to 0.4.19. ([\#15761](https://github.com/matrix-org/synapse/issues/15761))
* Bump phonenumbers from 8.13.11 to 8.13.13. ([\#15763](https://github.com/matrix-org/synapse/issues/15763))
* Bump pyasn1 from 0.4.8 to 0.5.0. ([\#15713](https://github.com/matrix-org/synapse/issues/15713))
* Bump pydantic from 1.10.8 to 1.10.9. ([\#15762](https://github.com/matrix-org/synapse/issues/15762))
* Bump pyo3-log from 0.8.1 to 0.8.2. ([\#15759](https://github.com/matrix-org/synapse/issues/15759))
* Bump pyopenssl from 23.1.1 to 23.2.0. ([\#15765](https://github.com/matrix-org/synapse/issues/15765))
* Bump regex from 1.7.3 to 1.8.4. ([\#15769](https://github.com/matrix-org/synapse/issues/15769))
* Bump sentry-sdk from 1.22.1 to 1.25.0. ([\#15714](https://github.com/matrix-org/synapse/issues/15714))
* Bump sentry-sdk from 1.25.0 to 1.25.1. ([\#15764](https://github.com/matrix-org/synapse/issues/15764))
* Bump serde from 1.0.163 to 1.0.164. ([\#15760](https://github.com/matrix-org/synapse/issues/15760))
* Bump types-jsonschema from 4.17.0.7 to 4.17.0.8. ([\#15716](https://github.com/matrix-org/synapse/issues/15716))
* Bump types-pyopenssl from 23.1.0.2 to 23.2.0.0. ([\#15766](https://github.com/matrix-org/synapse/issues/15766))
* Bump types-requests from 2.31.0.0 to 2.31.0.1. ([\#15715](https://github.com/matrix-org/synapse/issues/15715))
  • v1.85.2
    ac3a70a7 · Fix up changelog · 
    Synapse 1.85.2 (2023-06-08)
===========================

Bugfixes
--------

- Fix regression where using TLS for HTTP replication between workers did not work. Introduced in v1.85.0. ([\#15746](https://github.com/matrix-org/synapse/issues/15746))
  • v1.85.1
    6cd6a2ae · Update changelog · 
    Synapse 1.85.1 (2023-06-07)
===========================

Note: this release only fixes a bug that stopped some deployments from upgrading to v1.85.0. There is no need to upgrade to v1.85.1 if successfully running v1.85.0.

Bugfixes
--------

- Fix bug in schema delta that broke upgrades for some deployments. Introduced in v1.85.0. ([\#15738](https://github.com/matrix-org/synapse/issues/15738), [\#15739](https://github.com/matrix-org/synapse/issues/15739))
  • v1.85.0
    ec712142 · Fixup changelog · 
    Synapse 1.85.0 (2023-06-06)
===========================

No significant changes since 1.85.0rc2.

The following issues are fixed in 1.85.0 (and RCs).

- [GHSA-26c5-ppr8-f33p](https://github.com/matrix-org/synapse/security/advisories/GHSA-26c5-ppr8-f33p) / [CVE-2023-32682](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32683) — Low Severity

  It may be possible for a deactivated user to login when using uncommon configurations.

- [GHSA-98px-6486-j7qc](https://github.com/matrix-org/synapse/security/advisories/GHSA-98px-6486-j7qc) / [CVE-2023-32683](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32683) — Low Severity

  A discovered oEmbed or image URL can bypass the `url_preview_url_blacklist` setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the `url_preview_ip_range_blacklist` setting (by default this only allows public IPs).

See the advisories for more details. If you have any questions, email security@matrix.org.

Synapse 1.85.0rc2 (2023-06-01)
==============================

Bugfixes
--------

- Fix a performance issue introduced in Synapse v1.83.0 which meant that purging rooms was very slow and database-intensive. ([\#15693](https://github.com/matrix-org/synapse/issues/15693))

Deprecations and Removals
-------------------------

- Deprecate calling the `/register` endpoint with an unspecced `user` property for application services. ([\#15703](https://github.com/matrix-org/synapse/issues/15703))

Internal Changes
----------------

- Speed up background jobs `populate_full_user_id_user_filters` and `populate_full_user_id_profiles`. ([\#15700](https://github.com/matrix-org/synapse/issues/15700))

Synapse 1.85.0rc1 (2023-05-30)
==============================

Features
--------

- Improve performance of backfill requests by performing backfill of previously failed requests in the background. ([\#15585](https://github.com/matrix-org/synapse/issues/15585))
- Add a new [admin API](https://matrix-org.github.io/synapse/v1.85/usage/administration/admin_api/index.html) to [create a new device for a user](https://matrix-org.github.io/synapse/v1.85/admin_api/user_admin_api.html#create-a-device). ([\#15611](https://github.com/matrix-org/synapse/issues/15611))
- Add Unix socket support for Redis connections. Contributed by Jason Little. ([\#15644](https://github.com/matrix-org/synapse/issues/15644))

Bugfixes
--------

- Fix a long-standing bug where setting the read marker could fail when using message retention. Contributed by Nick @ Beeper (@fizzadar). ([\#15464](https://github.com/matrix-org/synapse/issues/15464))
- Fix a long-standing bug where the `url_preview_url_blacklist` configuration setting was not applied to oEmbed or image URLs found while previewing a URL. ([\#15601](https://github.com/matrix-org/synapse/issues/15601))
- Fix a long-standing bug where filters with multiple backslashes were rejected. ([\#15607](https://github.com/matrix-org/synapse/issues/15607))
- Fix a bug introduced in Synapse 1.82.0 where the error message displayed when validation of the `app_service_config_files` config option fails would be incorrectly formatted. ([\#15614](https://github.com/matrix-org/synapse/issues/15614))
- Fix a long-standing bug where deactivated users were still able to login using the custom `org.matrix.login.jwt` login type (if enabled). ([\#15624](https://github.com/matrix-org/synapse/issues/15624))
- Fix a long-standing bug where deactivated users were able to login in uncommon situations. ([\#15634](https://github.com/matrix-org/synapse/issues/15634))

Improved Documentation
----------------------

- Warn users that at least 3.75GB of space is needed for the nix Synapse development environment. ([\#15613](https://github.com/matrix-org/synapse/issues/15613))
- Remove outdated comment from the generated and sample homeserver log configs. ([\#15648](https://github.com/matrix-org/synapse/issues/15648))
- Improve contributor docs to make it more clear that Rust is a necessary prerequisite. Contributed by @grantm. ([\#15668](https://github.com/matrix-org/synapse/issues/15668))

Deprecations and Removals
-------------------------

- Remove the old version of the R30 (30-day retained users) phone-home metric. ([\#10428](https://github.com/matrix-org/synapse/issues/10428))

Internal Changes
----------------

- Create dependabot changelogs at release time. ([\#15481](https://github.com/matrix-org/synapse/issues/15481))
- Add not null constraint to column `full_user_id` of tables `profiles` and `user_filters`. ([\#15537](https://github.com/matrix-org/synapse/issues/15537))
- Allow connecting to HTTP Replication Endpoints by using `worker_name` when constructing the request. ([\#15578](https://github.com/matrix-org/synapse/issues/15578))
- Make the `thread_id` column on `event_push_actions`, `event_push_actions_staging`, and `event_push_summary` non-null. ([\#15597](https://github.com/matrix-org/synapse/issues/15597))
- Run mypy type checking with the minimum supported Python version to catch new usage that isn't backwards-compatible. ([\#15602](https://github.com/matrix-org/synapse/issues/15602))
- Fix subscriptable type usage in Python <3.9. ([\#15604](https://github.com/matrix-org/synapse/issues/15604))
- Update internal terminology. ([\#15606](https://github.com/matrix-org/synapse/issues/15606), [\#15620](https://github.com/matrix-org/synapse/issues/15620))
- Instrument `state` and `state_group` storage-related operations to better picture what's happening when tracing. ([\#15610](https://github.com/matrix-org/synapse/issues/15610), [\#15647](https://github.com/matrix-org/synapse/issues/15647))
- Trace how many new events from the backfill response we need to process. ([\#15633](https://github.com/matrix-org/synapse/issues/15633))
- Re-type config paths in `ConfigError`s to be `StrSequence`s instead of `Iterable[str]`s. ([\#15615](https://github.com/matrix-org/synapse/issues/15615))
- Update Mutual Rooms ([MSC2666](https://github.com/matrix-org/matrix-spec-proposals/pull/2666)) implementation to match new proposal text. ([\#15621](https://github.com/matrix-org/synapse/issues/15621))
- Remove the unstable identifiers from faster joins ([MSC3706](https://github.com/matrix-org/matrix-spec-proposals/pull/3706)). ([\#15625](https://github.com/matrix-org/synapse/issues/15625))
- Fix the olddeps CI. ([\#15626](https://github.com/matrix-org/synapse/issues/15626))
- Remove duplicate timestamp from test logs (`_trial_temp/test.log`). ([\#15636](https://github.com/matrix-org/synapse/issues/15636))
- Fix two memory leaks in `trial` test runs. ([\#15630](https://github.com/matrix-org/synapse/issues/15630))
- Limit the size of the `HomeServerConfig` cache in trial test runs. ([\#15646](https://github.com/matrix-org/synapse/issues/15646))
- Improve type hints. ([\#15658](https://github.com/matrix-org/synapse/issues/15658), [\#15659](https://github.com/matrix-org/synapse/issues/15659))
- Add requesting user id parameter to key claim methods in `TransportLayerClient`. ([\#15663](https://github.com/matrix-org/synapse/issues/15663))
- Speed up rebuilding of the user directory for local users. ([\#15665](https://github.com/matrix-org/synapse/issues/15665))
- Implement "option 2" for [MSC3820](https://github.com/matrix-org/matrix-spec-proposals/pull/3820): Room version 11. ([\#15666](https://github.com/matrix-org/synapse/issues/15666), [\#15678](https://github.com/matrix-org/synapse/issues/15678))

* Bump furo from 2023.3.27 to 2023.5.20. ([\#15642](https://github.com/matrix-org/synapse/issues/15642))
* Bump log from 0.4.17 to 0.4.18. ([\#15681](https://github.com/matrix-org/synapse/issues/15681))
* Bump prometheus-client from 0.16.0 to 0.17.0. ([\#15682](https://github.com/matrix-org/synapse/issues/15682))
* Bump pydantic from 1.10.7 to 1.10.8. ([\#15685](https://github.com/matrix-org/synapse/issues/15685))
* Bump pygithub from 1.58.1 to 1.58.2. ([\#15643](https://github.com/matrix-org/synapse/issues/15643))
* Bump requests from 2.28.2 to 2.31.0. ([\#15651](https://github.com/matrix-org/synapse/issues/15651))
* Bump sphinx from 6.1.3 to 6.2.1. ([\#15641](https://github.com/matrix-org/synapse/issues/15641))
* Bump types-bleach from 6.0.0.1 to 6.0.0.3. ([\#15686](https://github.com/matrix-org/synapse/issues/15686))
* Bump types-pillow from 9.5.0.2 to 9.5.0.4. ([\#15640](https://github.com/matrix-org/synapse/issues/15640))
* Bump types-pyyaml from 6.0.12.9 to 6.0.12.10. ([\#15683](https://github.com/matrix-org/synapse/issues/15683))
* Bump types-requests from 2.30.0.0 to 2.31.0.0. ([\#15684](https://github.com/matrix-org/synapse/issues/15684))
* Bump types-setuptools from 67.7.0.2 to 67.8.0.0. ([\#15639](https://github.com/matrix-org/synapse/issues/15639))
  • v1.85.0rc2
    4c0bffac · 1.85.0rc2 · 
    Synapse 1.85.0rc2 (2023-06-01)
==============================

Bugfixes
--------

- Fix a performance issue introduced in Synapse v1.83.0 which meant that purging rooms was very slow and database-intensive. ([\#15693](https://github.com/matrix-org/synapse/issues/15693))

Deprecations and Removals
-------------------------

- Deprecate calling the `/register` endpoint with an unspecced `user` property for application services. ([\#15703](https://github.com/matrix-org/synapse/issues/15703))

Internal Changes
----------------

- Speed up background jobs `populate_full_user_id_user_filters` and `populate_full_user_id_profiles`. ([\#15700](https://github.com/matrix-org/synapse/issues/15700))
  • v1.85.0rc1
    7477810c · fixup changelog · 
    Synapse 1.85.0rc1 (2023-05-30)
==============================

Features
--------

- Improve performance of backfill requests by performing backfill of previously failed requests in the background. ([\#15585](https://github.com/matrix-org/synapse/issues/15585))
- Add a new [admin API](https://matrix-org.github.io/synapse/v1.85/usage/administration/admin_api/index.html) to [create a new device for a user](https://matrix-org.github.io/synapse/v1.85/admin_api/user_admin_api.html#create-a-device). ([\#15611](https://github.com/matrix-org/synapse/issues/15611))
- Add Unix socket support for Redis connections. Contributed by Jason Little. ([\#15644](https://github.com/matrix-org/synapse/issues/15644))

Bugfixes
--------

- Fix a long-standing bug where setting the read marker could fail when using message retention. Contributed by Nick @ Beeper (@fizzadar). ([\#15464](https://github.com/matrix-org/synapse/issues/15464))
- Fix a long-standing bug where the `url_preview_url_blacklist` configuration setting was not applied to oEmbed or image URLs found while previewing a URL. ([\#15601](https://github.com/matrix-org/synapse/issues/15601))
- Fix a long-standing bug where filters with multiple backslashes were rejected. ([\#15607](https://github.com/matrix-org/synapse/issues/15607))
- Fix a bug introduced in Synapse 1.82.0 where the error message displayed when validation of the `app_service_config_files` config option fails would be incorrectly formatted. ([\#15614](https://github.com/matrix-org/synapse/issues/15614))
- Fix a long-standing bug where deactivated users were still able to login using the custom `org.matrix.login.jwt` login type (if enabled). ([\#15624](https://github.com/matrix-org/synapse/issues/15624))
- Fix a long-standing bug where deactivated users were able to login in uncommon situations. ([\#15634](https://github.com/matrix-org/synapse/issues/15634))

Improved Documentation
----------------------

- Warn users that at least 3.75GB of space is needed for the nix Synapse development environment. ([\#15613](https://github.com/matrix-org/synapse/issues/15613))
- Remove outdated comment from the generated and sample homeserver log configs. ([\#15648](https://github.com/matrix-org/synapse/issues/15648))
- Improve contributor docs to make it more clear that Rust is a necessary prerequisite. Contributed by @grantm. ([\#15668](https://github.com/matrix-org/synapse/issues/15668))

Deprecations and Removals
-------------------------

- Remove the old version of the R30 (30-day retained users) phone-home metric. ([\#10428](https://github.com/matrix-org/synapse/issues/10428))

Internal Changes
----------------

- Create dependabot changelogs at release time. ([\#15481](https://github.com/matrix-org/synapse/issues/15481))
- Add not null constraint to column `full_user_id` of tables `profiles` and `user_filters`. ([\#15537](https://github.com/matrix-org/synapse/issues/15537))
- Allow connecting to HTTP Replication Endpoints by using `worker_name` when constructing the request. ([\#15578](https://github.com/matrix-org/synapse/issues/15578))
- Make the `thread_id` column on `event_push_actions`, `event_push_actions_staging`, and `event_push_summary` non-null. ([\#15597](https://github.com/matrix-org/synapse/issues/15597))
- Run mypy type checking with the minimum supported Python version to catch new usage that isn't backwards-compatible. ([\#15602](https://github.com/matrix-org/synapse/issues/15602))
- Fix subscriptable type usage in Python <3.9. ([\#15604](https://github.com/matrix-org/synapse/issues/15604))
- Update internal terminology. ([\#15606](https://github.com/matrix-org/synapse/issues/15606), [\#15620](https://github.com/matrix-org/synapse/issues/15620))
- Instrument `state` and `state_group` storage-related operations to better picture what's happening when tracing. ([\#15610](https://github.com/matrix-org/synapse/issues/15610), [\#15647](https://github.com/matrix-org/synapse/issues/15647))
- Trace how many new events from the backfill response we need to process. ([\#15633](https://github.com/matrix-org/synapse/issues/15633))
- Re-type config paths in `ConfigError`s to be `StrSequence`s instead of `Iterable[str]`s. ([\#15615](https://github.com/matrix-org/synapse/issues/15615))
- Update Mutual Rooms ([MSC2666](https://github.com/matrix-org/matrix-spec-proposals/pull/2666)) implementation to match new proposal text. ([\#15621](https://github.com/matrix-org/synapse/issues/15621))
- Remove the unstable identifiers from faster joins ([MSC3706](https://github.com/matrix-org/matrix-spec-proposals/pull/3706)). ([\#15625](https://github.com/matrix-org/synapse/issues/15625))
- Fix the olddeps CI. ([\#15626](https://github.com/matrix-org/synapse/issues/15626))
- Remove duplicate timestamp from test logs (`_trial_temp/test.log`). ([\#15636](https://github.com/matrix-org/synapse/issues/15636))
- Fix two memory leaks in `trial` test runs. ([\#15630](https://github.com/matrix-org/synapse/issues/15630))
- Limit the size of the `HomeServerConfig` cache in trial test runs. ([\#15646](https://github.com/matrix-org/synapse/issues/15646))
- Improve type hints. ([\#15658](https://github.com/matrix-org/synapse/issues/15658), [\#15659](https://github.com/matrix-org/synapse/issues/15659))
- Add requesting user id parameter to key claim methods in `TransportLayerClient`. ([\#15663](https://github.com/matrix-org/synapse/issues/15663))
- Speed up rebuilding of the user directory for local users. ([\#15665](https://github.com/matrix-org/synapse/issues/15665))
- Implement "option 2" for [MSC3820](https://github.com/matrix-org/matrix-spec-proposals/pull/3820): Room version 11. ([\#15666](https://github.com/matrix-org/synapse/issues/15666), [\#15678](https://github.com/matrix-org/synapse/issues/15678))

* Bump furo from 2023.3.27 to 2023.5.20. ([\#15642](https://github.com/matrix-org/synapse/issues/15642))
* Bump log from 0.4.17 to 0.4.18. ([\#15681](https://github.com/matrix-org/synapse/issues/15681))
* Bump prometheus-client from 0.16.0 to 0.17.0. ([\#15682](https://github.com/matrix-org/synapse/issues/15682))
* Bump pydantic from 1.10.7 to 1.10.8. ([\#15685](https://github.com/matrix-org/synapse/issues/15685))
* Bump pygithub from 1.58.1 to 1.58.2. ([\#15643](https://github.com/matrix-org/synapse/issues/15643))
* Bump requests from 2.28.2 to 2.31.0. ([\#15651](https://github.com/matrix-org/synapse/issues/15651))
* Bump sphinx from 6.1.3 to 6.2.1. ([\#15641](https://github.com/matrix-org/synapse/issues/15641))
* Bump types-bleach from 6.0.0.1 to 6.0.0.3. ([\#15686](https://github.com/matrix-org/synapse/issues/15686))
* Bump types-pillow from 9.5.0.2 to 9.5.0.4. ([\#15640](https://github.com/matrix-org/synapse/issues/15640))
* Bump types-pyyaml from 6.0.12.9 to 6.0.12.10. ([\#15683](https://github.com/matrix-org/synapse/issues/15683))
* Bump types-requests from 2.30.0.0 to 2.31.0.0. ([\#15684](https://github.com/matrix-org/synapse/issues/15684))
* Bump types-setuptools from 67.7.0.2 to 67.8.0.0. ([\#15639](https://github.com/matrix-org/synapse/issues/15639))
  • v1.84.1
    cb6f4a84 · Fix a typographical error in changelog · 
    Synapse 1.84.1 (2023-05-26)
===========================

This patch release fixes a major issue with homeservers that do not have an `instance_map` defined but which do use workers.
If you have already upgraded to Synapse 1.84.0 and your homeserver is working normally, then there is no need to update to this patch release.

Bugfixes
--------

- Fix a bug introduced in Synapse v1.84.0 where workers do not start up when no `instance_map` was provided. ([\#15672](https://github.com/matrix-org/synapse/issues/15672))

Internal Changes
----------------

- Add `dch` and `notify-send` to the development Nix flake so that the release script can be used. ([\#15673](https://github.com/matrix-org/synapse/issues/15673))