Merge tag 'v1.54.0rc1' into develop

Synapse 1.54.0rc1 (2022-03-02)
==============================

Please note that this will be the last release of Synapse that is compatible with Mjolnir 1.3.1 and earlier.
Administrators of servers which have the Mjolnir module installed are advised to upgrade Mjolnir to version 1.3.2 or later.

Features
--------

- Add support for [MSC3202](https://github.com/matrix-org/matrix-doc/pull/3202): sending one-time key counts and fallback key usage states to Application Services. ([\#11617](https://github.com/matrix-org/synapse/issues/11617))
- Improve the generated URL previews for some web pages. Contributed by @AndrewRyanChama. ([\#11985](https://github.com/matrix-org/synapse/issues/11985))
- Track cache invalidations in Prometheus metrics, as already happens for cache eviction based on size or time. ([\#12000](https://github.com/matrix-org/synapse/issues/12000))
- Implement experimental support for [MSC3720](https://github.com/matrix-org/matrix-doc/pull/3720) (account status endpoints). ([\#12001](https://github.com/matrix-org/synapse/issues/12001), [\#12067](https://github.com/matrix-org/synapse/issues/12067))
- Enable modules to set a custom display name when registering a user. ([\#12009](https://github.com/matrix-org/synapse/issues/12009))
- Advertise Matrix 1.1 and 1.2 support on `/_matrix/client/versions`. ([\#12020](https://github.com/matrix-org/synapse/issues/12020), ([\#12022](https://github.com/matrix-org/synapse/issues/12022))
- Support only the stable identifier for [MSC3069](https://github.com/matrix-org/matrix-doc/pull/3069)'s `is_guest` on `/_matrix/client/v3/account/whoami`. ([\#12021](https://github.com/matrix-org/synapse/issues/12021))
- Use room version 9 as the default room version (per [MSC3589](https://github.com/matrix-org/matrix-doc/pull/3589)). ([\#12058](https://github.com/matrix-org/synapse/issues/12058))
- Add module callbacks to react to user deactivation status changes (i.e. deactivations and reactivations) and profile updates. ([\#12062](https://github.com/matrix-org/synapse/issues/12062))

Bugfixes
--------

- Fix a bug introduced in Synapse 1.48.0 where an edit of the latest event in a thread would not be properly applied to the thread summary. ([\#11992](https://github.com/matrix-org/synapse/issues/11992))
- Fix long-standing bug where the `get_rooms_for_user` cache was not correctly invalidated for remote users when the server left a room. ([\#11999](https://github.com/matrix-org/synapse/issues/11999))
- Fix a 500 error with Postgres when looking backwards with the [MSC3030](https://github.com/matrix-org/matrix-doc/pull/3030) `/timestamp_to_event?dir=b` endpoint. ([\#12024](https://github.com/matrix-org/synapse/issues/12024))
- Properly fix a long-standing bug where wrong data could be inserted into the `event_search` table when using SQLite. This could block running `synapse_port_db` with an `argument of type 'int' is not iterable` error. This bug was partially fixed by a change in Synapse 1.44.0. ([\#12037](https://github.com/matrix-org/synapse/issues/12037))
- Fix slow performance of `/logout` in some cases where refresh tokens are in use. The slowness existed since the initial implementation of refresh tokens in version 1.38.0. ([\#12056](https://github.com/matrix-org/synapse/issues/12056))
- Fix a long-standing bug where Synapse would make additional failing requests over federation for missing data. ([\#12077](https://github.com/matrix-org/synapse/issues/12077))
- Fix occasional `Unhandled error in Deferred` error message. ([\#12089](https://github.com/matrix-org/synapse/issues/12089))
- Fix a bug introduced in Synapse 1.51.0 where incoming federation transactions containing at least one EDU would be dropped if debug logging was enabled for `synapse.8631_debug`. ([\#12098](https://github.com/matrix-org/synapse/issues/12098))
- Fix a long-standing bug which could cause push notifications to malfunction if `use_frozen_dicts` was set in the configuration. ([\#12100](https://github.com/matrix-org/synapse/issues/12100))
- Fix an extremely rare, long-standing bug in `ReadWriteLock` that would cause an error when a newly unblocked writer completes instantly. ([\#12105](https://github.com/matrix-org/synapse/issues/12105))
- Make a `POST` to `/rooms/<room_id>/receipt/m.read/<event_id>` only trigger a push notification if the count of unread messages is different to the one in the last successfully sent push. This reduces server load and load on the receiving device. ([\#11835](https://github.com/matrix-org/synapse/issues/11835))

Updates to the Docker image
---------------------------

- The Docker image no longer automatically creates a temporary volume at `/data`. This is not expected to affect normal usage. ([\#11997](https://github.com/matrix-org/synapse/issues/11997))
- Use Python 3.9 in Docker images by default. ([\#12112](https://github.com/matrix-org/synapse/issues/12112))

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

- Document support for the `to_device`, `account_data`, `receipts`, and `presence` stream writers for workers. ([\#11599](https://github.com/matrix-org/synapse/issues/11599))
- Explain the meaning of spam checker callbacks' return values. ([\#12003](https://github.com/matrix-org/synapse/issues/12003))
- Clarify information about external Identity Provider IDs. ([\#12004](https://github.com/matrix-org/synapse/issues/12004))

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

- Deprecate using `synctl` with the config option `synctl_cache_factor` and print a warning if a user still uses this option. ([\#11865](https://github.com/matrix-org/synapse/issues/11865))
- Remove support for the legacy structured logging configuration (please see the the [upgrade notes](https://matrix-org.github.io/synapse/develop/upgrade#legacy-structured-logging-configuration-removal) if you are using `structured: true` in the Synapse configuration). ([\#12008](https://github.com/matrix-org/synapse/issues/12008))
- Drop support for [MSC3283](https://github.com/matrix-org/matrix-doc/pull/3283) unstable flags now that the stable flags are supported. ([\#12018](https://github.com/matrix-org/synapse/issues/12018))
- Remove the unstable `/spaces` endpoint from [MSC2946](https://github.com/matrix-org/matrix-doc/pull/2946). ([\#12073](https://github.com/matrix-org/synapse/issues/12073))

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

- Make the `get_room_version` method use `get_room_version_id` to benefit from caching. ([\#11808](https://github.com/matrix-org/synapse/issues/11808))
- Remove unnecessary condition on knock -> leave auth rule check. ([\#11900](https://github.com/matrix-org/synapse/issues/11900))
- Add tests for device list changes between local users. ([\#11972](https://github.com/matrix-org/synapse/issues/11972))
- Optimise calculating `device_list` changes in `/sync`. ([\#11974](https://github.com/matrix-org/synapse/issues/11974))
- Add missing type hints to storage classes. ([\#11984](https://github.com/matrix-org/synapse/issues/11984))
- Refactor the search code for improved readability. ([\#11991](https://github.com/matrix-org/synapse/issues/11991))
- Move common deduplication code down into `_auth_and_persist_outliers`. ([\#11994](https://github.com/matrix-org/synapse/issues/11994))
- Limit concurrent joins from applications services. ([\#11996](https://github.com/matrix-org/synapse/issues/11996))
- Preparation for faster-room-join work: when parsing the `send_join` response, get the `m.room.create` event from `state`, not `auth_chain`. ([\#12005](https://github.com/matrix-org/synapse/issues/12005), [\#12039](https://github.com/matrix-org/synapse/issues/12039))
- Preparation for faster-room-join work: parse MSC3706 fields in send_join response. ([\#12011](https://github.com/matrix-org/synapse/issues/12011))
- Preparation for faster-room-join work: persist information on which events and rooms have partial state to the database. ([\#12012](https://github.com/matrix-org/synapse/issues/12012))
- Preparation for faster-room-join work: Support for calling `/federation/v1/state` on a remote server. ([\#12013](https://github.com/matrix-org/synapse/issues/12013))
- Configure `tox` to use `venv` rather than `virtualenv`. ([\#12015](https://github.com/matrix-org/synapse/issues/12015))
- Fix bug in `StateFilter.return_expanded()` and add some tests. ([\#12016](https://github.com/matrix-org/synapse/issues/12016))
- Use Matrix v1.1 endpoints (`/_matrix/client/v3/auth/...`) in fallback auth HTML forms. ([\#12019](https://github.com/matrix-org/synapse/issues/12019))
- Update the `olddeps` CI job to use an old version of `markupsafe`. ([\#12025](https://github.com/matrix-org/synapse/issues/12025))
- Upgrade Mypy to version 0.931. ([\#12030](https://github.com/matrix-org/synapse/issues/12030))
- Remove legacy `HomeServer.get_datastore()`. ([\#12031](https://github.com/matrix-org/synapse/issues/12031), [\#12070](https://github.com/matrix-org/synapse/issues/12070))
- Minor typing fixes. ([\#12034](https://github.com/matrix-org/synapse/issues/12034), [\#12069](https://github.com/matrix-org/synapse/issues/12069))
- After joining a room, create a dedicated logcontext to process the queued events. ([\#12041](https://github.com/matrix-org/synapse/issues/12041))
- Tidy up GitHub Actions config which builds distributions for PyPI. ([\#12051](https://github.com/matrix-org/synapse/issues/12051))
- Move configuration out of `setup.cfg`. ([\#12052](https://github.com/matrix-org/synapse/issues/12052), [\#12059](https://github.com/matrix-org/synapse/issues/12059))
- Fix error message when a worker process fails to talk to another worker process. ([\#12060](https://github.com/matrix-org/synapse/issues/12060))
- Fix using the `complement.sh` script without specifying a directory or a branch. Contributed by Nico on behalf of Famedly. ([\#12063](https://github.com/matrix-org/synapse/issues/12063))
- Add type hints to `tests/rest/client`. ([\#12066](https://github.com/matrix-org/synapse/issues/12066), [\#12072](https://github.com/matrix-org/synapse/issues/12072), [\#12084](https://github.com/matrix-org/synapse/issues/12084), [\#12094](https://github.com/matrix-org/synapse/issues/12094))
- Add some logging to `/sync` to try and track down #11916. ([\#12068](https://github.com/matrix-org/synapse/issues/12068))
- Inspect application dependencies using `importlib.metadata` or its backport. ([\#12088](https://github.com/matrix-org/synapse/issues/12088))
- Use `assertEqual` instead of the deprecated `assertEquals` in test code. ([\#12092](https://github.com/matrix-org/synapse/issues/12092))
- Move experimental support for [MSC3440](https://github.com/matrix-org/matrix-doc/pull/3440) to `/versions`. ([\#12099](https://github.com/matrix-org/synapse/issues/12099))
- Add `stop_cancellation` utility function to stop `Deferred`s from being cancelled. ([\#12106](https://github.com/matrix-org/synapse/issues/12106))
- Improve exception handling for concurrent execution. ([\#12109](https://github.com/matrix-org/synapse/issues/12109))
- Advertise support for Python 3.10 in packaging files. ([\#12111](https://github.com/matrix-org/synapse/issues/12111))
- Move CI checks out of tox, to facilitate a move to using poetry. ([\#12119](https://github.com/matrix-org/synapse/issues/12119))

74 files changed, 106 insertions, 72 deletions

diff --git a/CHANGES.md b/CHANGES.md
index 81333097ae..0a87f5cd42 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,102 @@
+Synapse 1.54.0rc1 (2022-03-02)
+==============================
+
+Please note that this will be the last release of Synapse that is compatible with Mjolnir 1.3.1 and earlier.
+Administrators of servers which have the Mjolnir module installed are advised to upgrade Mjolnir to version 1.3.2 or later.
+
+
+Features
+--------
+
+- Add support for [MSC3202](https://github.com/matrix-org/matrix-doc/pull/3202): sending one-time key counts and fallback key usage states to Application Services. ([\#11617](https://github.com/matrix-org/synapse/issues/11617))
+- Improve the generated URL previews for some web pages. Contributed by @AndrewRyanChama. ([\#11985](https://github.com/matrix-org/synapse/issues/11985))
+- Track cache invalidations in Prometheus metrics, as already happens for cache eviction based on size or time. ([\#12000](https://github.com/matrix-org/synapse/issues/12000))
+- Implement experimental support for [MSC3720](https://github.com/matrix-org/matrix-doc/pull/3720) (account status endpoints). ([\#12001](https://github.com/matrix-org/synapse/issues/12001), [\#12067](https://github.com/matrix-org/synapse/issues/12067))
+- Enable modules to set a custom display name when registering a user. ([\#12009](https://github.com/matrix-org/synapse/issues/12009))
+- Advertise Matrix 1.1 and 1.2 support on `/_matrix/client/versions`. ([\#12020](https://github.com/matrix-org/synapse/issues/12020), ([\#12022](https://github.com/matrix-org/synapse/issues/12022))
+- Support only the stable identifier for [MSC3069](https://github.com/matrix-org/matrix-doc/pull/3069)'s `is_guest` on `/_matrix/client/v3/account/whoami`. ([\#12021](https://github.com/matrix-org/synapse/issues/12021))
+- Use room version 9 as the default room version (per [MSC3589](https://github.com/matrix-org/matrix-doc/pull/3589)). ([\#12058](https://github.com/matrix-org/synapse/issues/12058))
+- Add module callbacks to react to user deactivation status changes (i.e. deactivations and reactivations) and profile updates. ([\#12062](https://github.com/matrix-org/synapse/issues/12062))
+
+
+Bugfixes
+--------
+
+- Fix a bug introduced in Synapse 1.48.0 where an edit of the latest event in a thread would not be properly applied to the thread summary. ([\#11992](https://github.com/matrix-org/synapse/issues/11992))
+- Fix long-standing bug where the `get_rooms_for_user` cache was not correctly invalidated for remote users when the server left a room. ([\#11999](https://github.com/matrix-org/synapse/issues/11999))
+- Fix a 500 error with Postgres when looking backwards with the [MSC3030](https://github.com/matrix-org/matrix-doc/pull/3030) `/timestamp_to_event?dir=b` endpoint. ([\#12024](https://github.com/matrix-org/synapse/issues/12024))
+- Properly fix a long-standing bug where wrong data could be inserted into the `event_search` table when using SQLite. This could block running `synapse_port_db` with an `argument of type 'int' is not iterable` error. This bug was partially fixed by a change in Synapse 1.44.0. ([\#12037](https://github.com/matrix-org/synapse/issues/12037))
+- Fix slow performance of `/logout` in some cases where refresh tokens are in use. The slowness existed since the initial implementation of refresh tokens in version 1.38.0. ([\#12056](https://github.com/matrix-org/synapse/issues/12056))
+- Fix a long-standing bug where Synapse would make additional failing requests over federation for missing data. ([\#12077](https://github.com/matrix-org/synapse/issues/12077))
+- Fix occasional `Unhandled error in Deferred` error message. ([\#12089](https://github.com/matrix-org/synapse/issues/12089))
+- Fix a bug introduced in Synapse 1.51.0 where incoming federation transactions containing at least one EDU would be dropped if debug logging was enabled for `synapse.8631_debug`. ([\#12098](https://github.com/matrix-org/synapse/issues/12098))
+- Fix a long-standing bug which could cause push notifications to malfunction if `use_frozen_dicts` was set in the configuration. ([\#12100](https://github.com/matrix-org/synapse/issues/12100))
+- Fix an extremely rare, long-standing bug in `ReadWriteLock` that would cause an error when a newly unblocked writer completes instantly. ([\#12105](https://github.com/matrix-org/synapse/issues/12105))
+- Make a `POST` to `/rooms/<room_id>/receipt/m.read/<event_id>` only trigger a push notification if the count of unread messages is different to the one in the last successfully sent push. This reduces server load and load on the receiving device. ([\#11835](https://github.com/matrix-org/synapse/issues/11835))
+
+
+Updates to the Docker image
+---------------------------
+
+- The Docker image no longer automatically creates a temporary volume at `/data`. This is not expected to affect normal usage. ([\#11997](https://github.com/matrix-org/synapse/issues/11997))
+- Use Python 3.9 in Docker images by default. ([\#12112](https://github.com/matrix-org/synapse/issues/12112))
+
+
+Improved Documentation
+----------------------
+
+- Document support for the `to_device`, `account_data`, `receipts`, and `presence` stream writers for workers. ([\#11599](https://github.com/matrix-org/synapse/issues/11599))
+- Explain the meaning of spam checker callbacks' return values. ([\#12003](https://github.com/matrix-org/synapse/issues/12003))
+- Clarify information about external Identity Provider IDs. ([\#12004](https://github.com/matrix-org/synapse/issues/12004))
+
+
+Deprecations and Removals
+-------------------------
+
+- Deprecate using `synctl` with the config option `synctl_cache_factor` and print a warning if a user still uses this option. ([\#11865](https://github.com/matrix-org/synapse/issues/11865))
+- Remove support for the legacy structured logging configuration (please see the the [upgrade notes](https://matrix-org.github.io/synapse/develop/upgrade#legacy-structured-logging-configuration-removal) if you are using `structured: true` in the Synapse configuration). ([\#12008](https://github.com/matrix-org/synapse/issues/12008))
+- Drop support for [MSC3283](https://github.com/matrix-org/matrix-doc/pull/3283) unstable flags now that the stable flags are supported. ([\#12018](https://github.com/matrix-org/synapse/issues/12018))
+- Remove the unstable `/spaces` endpoint from [MSC2946](https://github.com/matrix-org/matrix-doc/pull/2946). ([\#12073](https://github.com/matrix-org/synapse/issues/12073))
+
+
+Internal Changes
+----------------
+
+- Make the `get_room_version` method use `get_room_version_id` to benefit from caching. ([\#11808](https://github.com/matrix-org/synapse/issues/11808))
+- Remove unnecessary condition on knock -> leave auth rule check. ([\#11900](https://github.com/matrix-org/synapse/issues/11900))
+- Add tests for device list changes between local users. ([\#11972](https://github.com/matrix-org/synapse/issues/11972))
+- Optimise calculating `device_list` changes in `/sync`. ([\#11974](https://github.com/matrix-org/synapse/issues/11974))
+- Add missing type hints to storage classes. ([\#11984](https://github.com/matrix-org/synapse/issues/11984))
+- Refactor the search code for improved readability. ([\#11991](https://github.com/matrix-org/synapse/issues/11991))
+- Move common deduplication code down into `_auth_and_persist_outliers`. ([\#11994](https://github.com/matrix-org/synapse/issues/11994))
+- Limit concurrent joins from applications services. ([\#11996](https://github.com/matrix-org/synapse/issues/11996))
+- Preparation for faster-room-join work: when parsing the `send_join` response, get the `m.room.create` event from `state`, not `auth_chain`. ([\#12005](https://github.com/matrix-org/synapse/issues/12005), [\#12039](https://github.com/matrix-org/synapse/issues/12039))
+- Preparation for faster-room-join work: parse MSC3706 fields in send_join response. ([\#12011](https://github.com/matrix-org/synapse/issues/12011))
+- Preparation for faster-room-join work: persist information on which events and rooms have partial state to the database. ([\#12012](https://github.com/matrix-org/synapse/issues/12012))
+- Preparation for faster-room-join work: Support for calling `/federation/v1/state` on a remote server. ([\#12013](https://github.com/matrix-org/synapse/issues/12013))
+- Configure `tox` to use `venv` rather than `virtualenv`. ([\#12015](https://github.com/matrix-org/synapse/issues/12015))
+- Fix bug in `StateFilter.return_expanded()` and add some tests. ([\#12016](https://github.com/matrix-org/synapse/issues/12016))
+- Use Matrix v1.1 endpoints (`/_matrix/client/v3/auth/...`) in fallback auth HTML forms. ([\#12019](https://github.com/matrix-org/synapse/issues/12019))
+- Update the `olddeps` CI job to use an old version of `markupsafe`. ([\#12025](https://github.com/matrix-org/synapse/issues/12025))
+- Upgrade Mypy to version 0.931. ([\#12030](https://github.com/matrix-org/synapse/issues/12030))
+- Remove legacy `HomeServer.get_datastore()`. ([\#12031](https://github.com/matrix-org/synapse/issues/12031), [\#12070](https://github.com/matrix-org/synapse/issues/12070))
+- Minor typing fixes. ([\#12034](https://github.com/matrix-org/synapse/issues/12034), [\#12069](https://github.com/matrix-org/synapse/issues/12069))
+- After joining a room, create a dedicated logcontext to process the queued events. ([\#12041](https://github.com/matrix-org/synapse/issues/12041))
+- Tidy up GitHub Actions config which builds distributions for PyPI. ([\#12051](https://github.com/matrix-org/synapse/issues/12051))
+- Move configuration out of `setup.cfg`. ([\#12052](https://github.com/matrix-org/synapse/issues/12052), [\#12059](https://github.com/matrix-org/synapse/issues/12059))
+- Fix error message when a worker process fails to talk to another worker process. ([\#12060](https://github.com/matrix-org/synapse/issues/12060))
+- Fix using the `complement.sh` script without specifying a directory or a branch. Contributed by Nico on behalf of Famedly. ([\#12063](https://github.com/matrix-org/synapse/issues/12063))
+- Add type hints to `tests/rest/client`. ([\#12066](https://github.com/matrix-org/synapse/issues/12066), [\#12072](https://github.com/matrix-org/synapse/issues/12072), [\#12084](https://github.com/matrix-org/synapse/issues/12084), [\#12094](https://github.com/matrix-org/synapse/issues/12094))
+- Add some logging to `/sync` to try and track down #11916. ([\#12068](https://github.com/matrix-org/synapse/issues/12068))
+- Inspect application dependencies using `importlib.metadata` or its backport. ([\#12088](https://github.com/matrix-org/synapse/issues/12088))
+- Use `assertEqual` instead of the deprecated `assertEquals` in test code. ([\#12092](https://github.com/matrix-org/synapse/issues/12092))
+- Move experimental support for [MSC3440](https://github.com/matrix-org/matrix-doc/pull/3440) to `/versions`. ([\#12099](https://github.com/matrix-org/synapse/issues/12099))
+- Add `stop_cancellation` utility function to stop `Deferred`s from being cancelled. ([\#12106](https://github.com/matrix-org/synapse/issues/12106))
+- Improve exception handling for concurrent execution. ([\#12109](https://github.com/matrix-org/synapse/issues/12109))
+- Advertise support for Python 3.10 in packaging files. ([\#12111](https://github.com/matrix-org/synapse/issues/12111))
+- Move CI checks out of tox, to facilitate a move to using poetry. ([\#12119](https://github.com/matrix-org/synapse/issues/12119))
+
+
 Synapse 1.53.0 (2022-02-22)
 ===========================
 
diff --git a/changelog.d/11599.doc b/changelog.d/11599.doc
deleted file mode 100644
index f07cfbef4e..0000000000
--- a/changelog.d/11599.doc
+++ /dev/null
@@ -1 +0,0 @@
-Document support for the `to_device`, `account_data`, `receipts`, and `presence` stream writers for workers.
diff --git a/changelog.d/11617.feature b/changelog.d/11617.feature
deleted file mode 100644
index cf03f00e7c..0000000000
--- a/changelog.d/11617.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add support for MSC3202: sending one-time key counts and fallback key usage states to Application Services.
\ No newline at end of file
diff --git a/changelog.d/11808.misc b/changelog.d/11808.misc
deleted file mode 100644
index cdc5fc75b7..0000000000
--- a/changelog.d/11808.misc
+++ /dev/null
@@ -1 +0,0 @@
-Make method `get_room_version` use cached `get_room_version_id`.
diff --git a/changelog.d/11835.feature b/changelog.d/11835.feature
deleted file mode 100644
index 7cee39b08c..0000000000
--- a/changelog.d/11835.feature
+++ /dev/null
@@ -1 +0,0 @@
-Make a `POST` to `/rooms/<room_id>/receipt/m.read/<event_id>` only trigger a push notification if the count of unread messages is different to the one in the last successfully sent push.
diff --git a/changelog.d/11865.removal b/changelog.d/11865.removal
deleted file mode 100644
index 9fcabfc720..0000000000
--- a/changelog.d/11865.removal
+++ /dev/null
@@ -1 +0,0 @@
-Deprecate using `synctl` with the config option `synctl_cache_factor` and print a warning if a user still uses this option.
diff --git a/changelog.d/11900.misc b/changelog.d/11900.misc
deleted file mode 100644
index edd2852fd4..0000000000
--- a/changelog.d/11900.misc
+++ /dev/null
@@ -1 +0,0 @@
-Remove unnecessary condition on knock->leave auth rule check.
\ No newline at end of file
diff --git a/changelog.d/11972.misc b/changelog.d/11972.misc
deleted file mode 100644
index 29c38bfd82..0000000000
--- a/changelog.d/11972.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add tests for device list changes between local users.
\ No newline at end of file
diff --git a/changelog.d/11974.misc b/changelog.d/11974.misc
deleted file mode 100644
index 1debad2361..0000000000
--- a/changelog.d/11974.misc
+++ /dev/null
@@ -1 +0,0 @@
-Optimise calculating device_list changes in `/sync`.
diff --git a/changelog.d/11984.misc b/changelog.d/11984.misc
deleted file mode 100644
index 8e405b9226..0000000000
--- a/changelog.d/11984.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add missing type hints to storage classes.
\ No newline at end of file
diff --git a/changelog.d/11985.feature b/changelog.d/11985.feature
deleted file mode 100644
index 120d888a49..0000000000
--- a/changelog.d/11985.feature
+++ /dev/null
@@ -1 +0,0 @@
-Fetch images when previewing Twitter URLs. Contributed by @AndrewRyanChama.
diff --git a/changelog.d/11991.misc b/changelog.d/11991.misc
deleted file mode 100644
index 34a3b3a6b9..0000000000
--- a/changelog.d/11991.misc
+++ /dev/null
@@ -1 +0,0 @@
-Refactor the search code for improved readability.
diff --git a/changelog.d/11992.bugfix b/changelog.d/11992.bugfix
deleted file mode 100644
index f73c86bb25..0000000000
--- a/changelog.d/11992.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a bug introduced in Synapse v1.48.0 where an edit of the latest event in a thread would not be properly applied to the thread summary.
diff --git a/changelog.d/11994.misc b/changelog.d/11994.misc
deleted file mode 100644
index d64297dd78..0000000000
--- a/changelog.d/11994.misc
+++ /dev/null
@@ -1 +0,0 @@
-Move common deduplication code down into `_auth_and_persist_outliers`.
diff --git a/changelog.d/11996.misc b/changelog.d/11996.misc
deleted file mode 100644
index 6c675fd193..0000000000
--- a/changelog.d/11996.misc
+++ /dev/null
@@ -1 +0,0 @@
-Limit concurrent joins from applications services.
\ No newline at end of file
diff --git a/changelog.d/11997.docker b/changelog.d/11997.docker
deleted file mode 100644
index 1b3271457e..0000000000
--- a/changelog.d/11997.docker
+++ /dev/null
@@ -1 +0,0 @@
-The docker image no longer automatically creates a temporary volume at `/data`. This is not expected to affect normal usage.
diff --git a/changelog.d/11999.bugfix b/changelog.d/11999.bugfix
deleted file mode 100644
index fd84095900..0000000000
--- a/changelog.d/11999.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix long standing bug where `get_rooms_for_user` was not correctly invalidated for remote users when the server left a room.
diff --git a/changelog.d/12000.feature b/changelog.d/12000.feature
deleted file mode 100644
index 246cc87f0b..0000000000
--- a/changelog.d/12000.feature
+++ /dev/null
@@ -1 +0,0 @@
-Track cache invalidations in Prometheus metrics, as already happens for cache eviction based on size or time.
diff --git a/changelog.d/12001.feature b/changelog.d/12001.feature
deleted file mode 100644
index dc1153c49e..0000000000
--- a/changelog.d/12001.feature
+++ /dev/null
@@ -1 +0,0 @@
-Implement experimental support for [MSC3720](https://github.com/matrix-org/matrix-doc/pull/3720) (account status endpoints).
diff --git a/changelog.d/12003.doc b/changelog.d/12003.doc
deleted file mode 100644
index 1ac8163559..0000000000
--- a/changelog.d/12003.doc
+++ /dev/null
@@ -1 +0,0 @@
-Explain the meaning of spam checker callbacks' return values.
diff --git a/changelog.d/12004.doc b/changelog.d/12004.doc
deleted file mode 100644
index 0b4baef210..0000000000
--- a/changelog.d/12004.doc
+++ /dev/null
@@ -1 +0,0 @@
-Clarify information about external Identity Provider IDs.
diff --git a/changelog.d/12005.misc b/changelog.d/12005.misc
deleted file mode 100644
index 45e21dbe59..0000000000
--- a/changelog.d/12005.misc
+++ /dev/null
@@ -1 +0,0 @@
-Preparation for faster-room-join work: when parsing the `send_join` response, get the `m.room.create` event from `state`, not `auth_chain`.
diff --git a/changelog.d/12008.removal b/changelog.d/12008.removal
deleted file mode 100644
index 57599d9ee9..0000000000
--- a/changelog.d/12008.removal
+++ /dev/null
@@ -1 +0,0 @@
-Remove support for the legacy structured logging configuration (please see the the [upgrade notes](https://matrix-org.github.io/synapse/develop/upgrade#legacy-structured-logging-configuration-removal) if you are using `structured: true` in the Synapse configuration).
diff --git a/changelog.d/12009.feature b/changelog.d/12009.feature
deleted file mode 100644
index c8a531481e..0000000000
--- a/changelog.d/12009.feature
+++ /dev/null
@@ -1 +0,0 @@
-Enable modules to set a custom display name when registering a user.
diff --git a/changelog.d/12011.misc b/changelog.d/12011.misc
deleted file mode 100644
index 258b0e389f..0000000000
--- a/changelog.d/12011.misc
+++ /dev/null
@@ -1 +0,0 @@
-Preparation for faster-room-join work: parse msc3706 fields in send_join response.
diff --git a/changelog.d/12012.misc b/changelog.d/12012.misc
deleted file mode 100644
index a473f41e78..0000000000
--- a/changelog.d/12012.misc
+++ /dev/null
@@ -1 +0,0 @@
-Preparation for faster-room-join work: persist information on which events and rooms have partial state to the database.
diff --git a/changelog.d/12013.misc b/changelog.d/12013.misc
deleted file mode 100644
index c0fca8dccb..0000000000
--- a/changelog.d/12013.misc
+++ /dev/null
@@ -1 +0,0 @@
-Preparation for faster-room-join work: Support for calling `/federation/v1/state` on a remote server.
diff --git a/changelog.d/12015.misc b/changelog.d/12015.misc
deleted file mode 100644
index 3aa32ab4cf..0000000000
--- a/changelog.d/12015.misc
+++ /dev/null
@@ -1 +0,0 @@
-Configure `tox` to use `venv` rather than `virtualenv`.
diff --git a/changelog.d/12016.misc b/changelog.d/12016.misc
deleted file mode 100644
index 8856ef46a9..0000000000
--- a/changelog.d/12016.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix bug in `StateFilter.return_expanded()` and add some tests.
\ No newline at end of file
diff --git a/changelog.d/12018.removal b/changelog.d/12018.removal
deleted file mode 100644
index e940b62228..0000000000
--- a/changelog.d/12018.removal
+++ /dev/null
@@ -1 +0,0 @@
-Drop support for [MSC3283](https://github.com/matrix-org/matrix-doc/pull/3283) unstable flags now that the stable flags are supported.
diff --git a/changelog.d/12019.misc b/changelog.d/12019.misc
deleted file mode 100644
index b2186320ea..0000000000
--- a/changelog.d/12019.misc
+++ /dev/null
@@ -1 +0,0 @@
-Use Matrix v1.1 endpoints (`/_matrix/client/v3/auth/...`) in fallback auth HTML forms.
\ No newline at end of file
diff --git a/changelog.d/12020.feature b/changelog.d/12020.feature
deleted file mode 100644
index 1ac9d2060e..0000000000
--- a/changelog.d/12020.feature
+++ /dev/null
@@ -1 +0,0 @@
-Advertise Matrix 1.1 support on `/_matrix/client/versions`.
\ No newline at end of file
diff --git a/changelog.d/12021.feature b/changelog.d/12021.feature
deleted file mode 100644
index 01378df8ca..0000000000
--- a/changelog.d/12021.feature
+++ /dev/null
@@ -1 +0,0 @@
-Support only the stable identifier for [MSC3069](https://github.com/matrix-org/matrix-doc/pull/3069)'s `is_guest` on `/_matrix/client/v3/account/whoami`.
\ No newline at end of file
diff --git a/changelog.d/12022.feature b/changelog.d/12022.feature
deleted file mode 100644
index 188fb12570..0000000000
--- a/changelog.d/12022.feature
+++ /dev/null
@@ -1 +0,0 @@
-Advertise Matrix 1.2 support on `/_matrix/client/versions`.
\ No newline at end of file
diff --git a/changelog.d/12024.bugfix b/changelog.d/12024.bugfix
deleted file mode 100644
index 59bcdb93a5..0000000000
--- a/changelog.d/12024.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix 500 error with Postgres when looking backwards with the [MSC3030](https://github.com/matrix-org/matrix-doc/pull/3030) `/timestamp_to_event?dir=b` endpoint.
diff --git a/changelog.d/12025.misc b/changelog.d/12025.misc
deleted file mode 100644
index d9475a7718..0000000000
--- a/changelog.d/12025.misc
+++ /dev/null
@@ -1 +0,0 @@
-Update the `olddeps` CI job to use an old version of `markupsafe`.
diff --git a/changelog.d/12030.misc b/changelog.d/12030.misc
deleted file mode 100644
index 607ee97ce6..0000000000
--- a/changelog.d/12030.misc
+++ /dev/null
@@ -1 +0,0 @@
-Upgrade mypy to version 0.931.
diff --git a/changelog.d/12031.misc b/changelog.d/12031.misc
deleted file mode 100644
index d4bedc6b97..0000000000
--- a/changelog.d/12031.misc
+++ /dev/null
@@ -1 +0,0 @@
-Remove legacy `HomeServer.get_datastore()`.
diff --git a/changelog.d/12034.misc b/changelog.d/12034.misc
deleted file mode 100644
index 8374a63220..0000000000
--- a/changelog.d/12034.misc
+++ /dev/null
@@ -1 +0,0 @@
-Minor typing fixes.
diff --git a/changelog.d/12037.bugfix b/changelog.d/12037.bugfix
deleted file mode 100644
index 9295cb4dc0..0000000000
--- a/changelog.d/12037.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Properly fix a long-standing bug where wrong data could be inserted in the `event_search` table when using sqlite. This could block running `synapse_port_db` with an "argument of type 'int' is not iterable" error. This bug was partially fixed by a change in Synapse 1.44.0.
diff --git a/changelog.d/12039.misc b/changelog.d/12039.misc
deleted file mode 100644
index 45e21dbe59..0000000000
--- a/changelog.d/12039.misc
+++ /dev/null
@@ -1 +0,0 @@
-Preparation for faster-room-join work: when parsing the `send_join` response, get the `m.room.create` event from `state`, not `auth_chain`.
diff --git a/changelog.d/12041.misc b/changelog.d/12041.misc
deleted file mode 100644
index e56dc093de..0000000000
--- a/changelog.d/12041.misc
+++ /dev/null
@@ -1 +0,0 @@
-After joining a room, create a dedicated logcontext to process the queued events.
diff --git a/changelog.d/12051.misc b/changelog.d/12051.misc
deleted file mode 100644
index 9959191352..0000000000
--- a/changelog.d/12051.misc
+++ /dev/null
@@ -1 +0,0 @@
-Tidy up GitHub Actions config which builds distributions for PyPI.
\ No newline at end of file
diff --git a/changelog.d/12052.misc b/changelog.d/12052.misc
deleted file mode 100644
index 11755ae61b..0000000000
--- a/changelog.d/12052.misc
+++ /dev/null
@@ -1 +0,0 @@
-Move configuration out of `setup.cfg`.
diff --git a/changelog.d/12056.bugfix b/changelog.d/12056.bugfix
deleted file mode 100644
index 210e30c63f..0000000000
--- a/changelog.d/12056.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix slow performance of `/logout` in some cases where refresh tokens are in use. The slowness existed since the initial implementation of refresh tokens.
\ No newline at end of file
diff --git a/changelog.d/12058.feature b/changelog.d/12058.feature
deleted file mode 100644
index 7b71692229..0000000000
--- a/changelog.d/12058.feature
+++ /dev/null
@@ -1 +0,0 @@
-Use room version 9 as the default room version (per [MSC3589](https://github.com/matrix-org/matrix-doc/pull/3589)).
diff --git a/changelog.d/12059.misc b/changelog.d/12059.misc
deleted file mode 100644
index 9ba4759d99..0000000000
--- a/changelog.d/12059.misc
+++ /dev/null
@@ -1 +0,0 @@
-Move configuration out of `setup.cfg`.
\ No newline at end of file
diff --git a/changelog.d/12060.misc b/changelog.d/12060.misc
deleted file mode 100644
index d771e6a1b3..0000000000
--- a/changelog.d/12060.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix error message when a worker process fails to talk to another worker process.
diff --git a/changelog.d/12062.feature b/changelog.d/12062.feature
deleted file mode 100644
index 46a606709d..0000000000
--- a/changelog.d/12062.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add module callbacks to react to user deactivation status changes (i.e. deactivations and reactivations) and profile updates.
diff --git a/changelog.d/12063.misc b/changelog.d/12063.misc
deleted file mode 100644
index e48c5dd08b..0000000000
--- a/changelog.d/12063.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix using the complement.sh script without specifying a dir or a branch. Contributed by Nico on behalf of Famedly.
diff --git a/changelog.d/12066.misc b/changelog.d/12066.misc
deleted file mode 100644
index 0360dbd61e..0000000000
--- a/changelog.d/12066.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add type hints to `tests/rest/client`.
diff --git a/changelog.d/12067.feature b/changelog.d/12067.feature
deleted file mode 100644
index dc1153c49e..0000000000
--- a/changelog.d/12067.feature
+++ /dev/null
@@ -1 +0,0 @@
-Implement experimental support for [MSC3720](https://github.com/matrix-org/matrix-doc/pull/3720) (account status endpoints).
diff --git a/changelog.d/12068.misc b/changelog.d/12068.misc
deleted file mode 100644
index 72b211e4f5..0000000000
--- a/changelog.d/12068.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add some logging to `/sync` to try and track down #11916.
diff --git a/changelog.d/12069.misc b/changelog.d/12069.misc
deleted file mode 100644
index 8374a63220..0000000000
--- a/changelog.d/12069.misc
+++ /dev/null
@@ -1 +0,0 @@
-Minor typing fixes.
diff --git a/changelog.d/12070.misc b/changelog.d/12070.misc
deleted file mode 100644
index d4bedc6b97..0000000000
--- a/changelog.d/12070.misc
+++ /dev/null
@@ -1 +0,0 @@
-Remove legacy `HomeServer.get_datastore()`.
diff --git a/changelog.d/12072.misc b/changelog.d/12072.misc
deleted file mode 100644
index 0360dbd61e..0000000000
--- a/changelog.d/12072.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add type hints to `tests/rest/client`.
diff --git a/changelog.d/12073.removal b/changelog.d/12073.removal
deleted file mode 100644
index 1f39792712..0000000000
--- a/changelog.d/12073.removal
+++ /dev/null
@@ -1 +0,0 @@
-Remove the unstable `/spaces` endpoint from [MSC2946](https://github.com/matrix-org/matrix-doc/pull/2946).
diff --git a/changelog.d/12077.bugfix b/changelog.d/12077.bugfix
deleted file mode 100644
index 1bce82082d..0000000000
--- a/changelog.d/12077.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a long-standing bug where Synapse would make additional failing requests over federation for missing data.
diff --git a/changelog.d/12084.misc b/changelog.d/12084.misc
deleted file mode 100644
index 0360dbd61e..0000000000
--- a/changelog.d/12084.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add type hints to `tests/rest/client`.
diff --git a/changelog.d/12088.misc b/changelog.d/12088.misc
deleted file mode 100644
index ce4213650c..0000000000
--- a/changelog.d/12088.misc
+++ /dev/null
@@ -1 +0,0 @@
-Inspect application dependencies using `importlib.metadata` or its backport.
\ No newline at end of file
diff --git a/changelog.d/12089.bugfix b/changelog.d/12089.bugfix
deleted file mode 100644
index 27172c4828..0000000000
--- a/changelog.d/12089.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix occasional 'Unhandled error in Deferred' error message.
diff --git a/changelog.d/12092.misc b/changelog.d/12092.misc
deleted file mode 100644
index 62653d6f8d..0000000000
--- a/changelog.d/12092.misc
+++ /dev/null
@@ -1 +0,0 @@
-User `assertEqual` instead of the deprecated `assertEquals` in test code.
diff --git a/changelog.d/12094.misc b/changelog.d/12094.misc
deleted file mode 100644
index 0360dbd61e..0000000000
--- a/changelog.d/12094.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add type hints to `tests/rest/client`.
diff --git a/changelog.d/12098.bugfix b/changelog.d/12098.bugfix
deleted file mode 100644
index 6b696692e3..0000000000
--- a/changelog.d/12098.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a bug introduced in Synapse 1.51.0rc1 where incoming federation transactions containing at least one EDU would be dropped if debug logging was enabled for `synapse.8631_debug`.
\ No newline at end of file
diff --git a/changelog.d/12099.misc b/changelog.d/12099.misc
deleted file mode 100644
index 0553825dbc..0000000000
--- a/changelog.d/12099.misc
+++ /dev/null
@@ -1 +0,0 @@
-Move experimental support for [MSC3440](https://github.com/matrix-org/matrix-doc/pull/3440) to /versions.
diff --git a/changelog.d/12100.bugfix b/changelog.d/12100.bugfix
deleted file mode 100644
index 181095ad99..0000000000
--- a/changelog.d/12100.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a long-standing bug which could cause push notifications to malfunction if `use_frozen_dicts` was set in the configuration.
diff --git a/changelog.d/12105.bugfix b/changelog.d/12105.bugfix
deleted file mode 100644
index f42e63e01f..0000000000
--- a/changelog.d/12105.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix an extremely rare, long-standing bug in `ReadWriteLock` that would cause an error when a newly unblocked writer completes instantly.
diff --git a/changelog.d/12106.misc b/changelog.d/12106.misc
deleted file mode 100644
index d918e9e3b1..0000000000
--- a/changelog.d/12106.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add `stop_cancellation` utility function to stop `Deferred`s from being cancelled.
diff --git a/changelog.d/12109.misc b/changelog.d/12109.misc
deleted file mode 100644
index 3295e49f43..0000000000
--- a/changelog.d/12109.misc
+++ /dev/null
@@ -1 +0,0 @@
-Improve exception handling for concurrent execution.
diff --git a/changelog.d/12111.misc b/changelog.d/12111.misc
deleted file mode 100644
index be84789c9d..0000000000
--- a/changelog.d/12111.misc
+++ /dev/null
@@ -1 +0,0 @@
-Advertise support for Python 3.10 in packaging files.
\ No newline at end of file
diff --git a/changelog.d/12112.docker b/changelog.d/12112.docker
deleted file mode 100644
index b9e630653d..0000000000
--- a/changelog.d/12112.docker
+++ /dev/null
@@ -1 +0,0 @@
-Use Python 3.9 in Docker images by default.
\ No newline at end of file
diff --git a/changelog.d/12119.misc b/changelog.d/12119.misc
deleted file mode 100644
index f02d140f38..0000000000
--- a/changelog.d/12119.misc
+++ /dev/null
@@ -1 +0,0 @@
-Move CI checks out of tox, to facilitate a move to using poetry.
\ No newline at end of file
diff --git a/debian/changelog b/debian/changelog
index 574930c085..df3db85b8e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.54.0~rc1) stable; urgency=medium
+
+  * New synapse release 1.54.0~rc1.
+
+ -- Synapse Packaging team <packages@matrix.org>  Wed, 02 Mar 2022 10:43:22 +0000
+
 matrix-synapse-py3 (1.53.0) stable; urgency=medium
 
   * New synapse release 1.53.0.
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 903f2e815d..b21e1ed0f3 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -47,7 +47,7 @@ try:
 except ImportError:
     pass
 
-__version__ = "1.53.0"
+__version__ = "1.54.0rc1"
 
 if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
     # We import here so that we don't have to install a bunch of deps when