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Update changelog
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Sean Quah committed May 24, 2022
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Synapse 1.60.0rc1 (2022-05-24)
==============================

This release of Synapse adds a unique index to the `state_group_edges` table, in
order to prevent accidentally introducing duplicate information (for example,
because a database backup was restored multiple times). If your Synapse database
already has duplicate rows in this table, this could fail with an error and
require manual remediation.

Additionally, the signature of the `check_event_for_spam` module callback has changed.
The previous signature has been deprecated and remains working for now. Module authors
should update their modules to use the new signature where possible.

See [the upgrade notes](https://github.com/matrix-org/synapse/blob/develop/docs/upgrade.md#upgrading-to-v1600)
for more details.

Features
--------

Expand All @@ -13,7 +26,7 @@ Features
- Update [MSC2716](https://github.com/matrix-org/matrix-spec-proposals/pull/2716) implementation to process marker events from the current state to avoid markers being lost in timeline gaps for federated servers which would cause the imported history to be undiscovered. ([\#12718](https://github.com/matrix-org/synapse/issues/12718))
- Add a `drop_federated_event` callback to `SpamChecker` to disregard inbound federated events before they take up much processing power, in an emergency. ([\#12744](https://github.com/matrix-org/synapse/issues/12744))
- Implement [MSC3818: Copy room type on upgrade](https://github.com/matrix-org/matrix-spec-proposals/pull/3818). ([\#12786](https://github.com/matrix-org/synapse/issues/12786), [\#12792](https://github.com/matrix-org/synapse/issues/12792))
- Update to `check_event_for_spam`. Deprecate the current callback signature, replace it with a new signature that is both less ambiguous (replacing booleans with explicit allow/block) and more powerful (ability to return explicit error codes). ([\#12808](https://github.com/matrix-org/synapse/issues/12808))
- Update to the `check_event_for_spam` module callback. Deprecate the current callback signature, replace it with a new signature that is both less ambiguous (replacing booleans with explicit allow/block) and more powerful (ability to return explicit error codes). ([\#12808](https://github.com/matrix-org/synapse/issues/12808))


Bugfixes
Expand Down Expand Up @@ -46,7 +59,7 @@ Improved Documentation
- Update the OpenID Connect example for Keycloak to be compatible with newer versions of Keycloak. Contributed by @nhh. ([\#12727](https://github.com/matrix-org/synapse/issues/12727))
- Fix typo in server listener documentation. ([\#12742](https://github.com/matrix-org/synapse/issues/12742))
- Link to the configuration manual from the welcome page of the documentation. ([\#12748](https://github.com/matrix-org/synapse/issues/12748))
- Fix typo in 'run_background_tasks_on' option name in configuration manual documentation. ([\#12749](https://github.com/matrix-org/synapse/issues/12749))
- Fix typo in `run_background_tasks_on` option name in configuration manual documentation. ([\#12749](https://github.com/matrix-org/synapse/issues/12749))
- Add information regarding the `rc_invites` ratelimiting option to the configuration docs. ([\#12759](https://github.com/matrix-org/synapse/issues/12759))
- Add documentation for cancellation of request processing. ([\#12761](https://github.com/matrix-org/synapse/issues/12761))
- Recommend using docker to run tests against postgres. ([\#12765](https://github.com/matrix-org/synapse/issues/12765))
Expand All @@ -66,47 +79,34 @@ Internal Changes
----------------

- Improve event caching mechanism to avoid having multiple copies of an event in memory at a time. ([\#10533](https://github.com/matrix-org/synapse/issues/10533))
- Add some type hints to datastore. ([\#12477](https://github.com/matrix-org/synapse/issues/12477), [\#12717](https://github.com/matrix-org/synapse/issues/12717), [\#12753](https://github.com/matrix-org/synapse/issues/12753))
- Preparation for faster-room-join work: return subsets of room state which we already have, immediately. ([\#12498](https://github.com/matrix-org/synapse/issues/12498))
- Replace string literal instances of stream key types with typed constants. ([\#12567](https://github.com/matrix-org/synapse/issues/12567))
- Add `@cancellable` decorator, for use on endpoint methods that can be cancelled when clients disconnect. ([\#12586](https://github.com/matrix-org/synapse/issues/12586))
- Add ability to cancel disconnected requests to `SynapseRequest`. ([\#12588](https://github.com/matrix-org/synapse/issues/12588))
- Add a helper class for testing request cancellation. ([\#12630](https://github.com/matrix-org/synapse/issues/12630))
- Add `@cancellable` decorator, for use on endpoint methods that can be cancelled when clients disconnect. ([\#12586](https://github.com/matrix-org/synapse/issues/12586), [\#12588](https://github.com/matrix-org/synapse/issues/12588), [\#12630](https://github.com/matrix-org/synapse/issues/12630), [\#12694](https://github.com/matrix-org/synapse/issues/12694), [\#12698](https://github.com/matrix-org/synapse/issues/12698), [\#12699](https://github.com/matrix-org/synapse/issues/12699), [\#12700](https://github.com/matrix-org/synapse/issues/12700), [\#12705](https://github.com/matrix-org/synapse/issues/12705))
- Enable cancellation of `GET /rooms/$room_id/members`, `GET /rooms/$room_id/state` and `GET /rooms/$room_id/state/$event_type/*` requests. ([\#12708](https://github.com/matrix-org/synapse/issues/12708))
- Improve documentation of the `synapse.push` module. ([\#12676](https://github.com/matrix-org/synapse/issues/12676))
- Refactor functions to on `PushRuleEvaluatorForEvent`. ([\#12677](https://github.com/matrix-org/synapse/issues/12677))
- Preparation for database schema simplifications: stop writing to `event_reference_hashes`. ([\#12679](https://github.com/matrix-org/synapse/issues/12679))
- Remove code which updates unused database column `application_services_state.last_txn`. ([\#12680](https://github.com/matrix-org/synapse/issues/12680))
- Refactor `EventContext` class. ([\#12689](https://github.com/matrix-org/synapse/issues/12689))
- Remove an unneeded class in the push code. ([\#12691](https://github.com/matrix-org/synapse/issues/12691))
- Consolidate parsing of relation information from events. ([\#12693](https://github.com/matrix-org/synapse/issues/12693))
- Capture the `Deferred` for request cancellation in `_AsyncResource`. ([\#12694](https://github.com/matrix-org/synapse/issues/12694))
- Fixes an incorrect type hint for `Filter._check_event_relations`. ([\#12695](https://github.com/matrix-org/synapse/issues/12695))
- Respect the `@cancellable` flag for `DirectServe{Html,Json}Resource`s. ([\#12698](https://github.com/matrix-org/synapse/issues/12698))
- Respect the `@cancellable` flag for `RestServlet`s and `BaseFederationServlet`s. ([\#12699](https://github.com/matrix-org/synapse/issues/12699))
- Respect the `@cancellable` flag for `ReplicationEndpoint`s. ([\#12700](https://github.com/matrix-org/synapse/issues/12700))
- Convert namespace class `Codes` into a string enum. ([\#12703](https://github.com/matrix-org/synapse/issues/12703))
- Complain if a federation endpoint has the `@cancellable` flag, since some of the wrapper code may not handle cancellation correctly yet. ([\#12705](https://github.com/matrix-org/synapse/issues/12705))
- Enable cancellation of `GET /rooms/$room_id/members`, `GET /rooms/$room_id/state` and `GET /rooms/$room_id/state/$event_type/*` requests. ([\#12708](https://github.com/matrix-org/synapse/issues/12708))
- Optimize private read receipt filtering. ([\#12711](https://github.com/matrix-org/synapse/issues/12711))
- Add type annotations to increase the number of modules passing `disallow-untyped-defs`. ([\#12716](https://github.com/matrix-org/synapse/issues/12716), [\#12726](https://github.com/matrix-org/synapse/issues/12726))
- Drop the logging level of status messages for the URL preview cache expiry job from INFO to DEBUG. ([\#12720](https://github.com/matrix-org/synapse/issues/12720))
- Downgrade some OIDC errors to warnings in the logs, to reduce the noise of Sentry reports. ([\#12723](https://github.com/matrix-org/synapse/issues/12723))
- Update configs used by Complement to allow more invites/3PID validations during tests. ([\#12731](https://github.com/matrix-org/synapse/issues/12731))
- Tidy up and type-hint the database engine modules. ([\#12734](https://github.com/matrix-org/synapse/issues/12734))
- Fix a long-standing bug where the user directory background process would fail to make forward progress if a user included a null codepoint in their display name or avatar. ([\#12762](https://github.com/matrix-org/synapse/issues/12762))
- Tweak the mypy plugin so that `@cached` can accept `on_invalidate=None`. ([\#12769](https://github.com/matrix-org/synapse/issues/12769))
- Move methods that call `add_push_rule` to the `PushRuleStore` class. ([\#12772](https://github.com/matrix-org/synapse/issues/12772))
- Make handling of federation Authorization header (more) compliant with RFC7230. ([\#12774](https://github.com/matrix-org/synapse/issues/12774))
- Refactor `resolve_state_groups_for_events` to not pull out full state when no state resolution happens. ([\#12775](https://github.com/matrix-org/synapse/issues/12775))
- Do not keep going if there are 5 back-to-back background update failures. ([\#12781](https://github.com/matrix-org/synapse/issues/12781))
- Fix federation when using the demo scripts. ([\#12783](https://github.com/matrix-org/synapse/issues/12783))
- The `hash_password` script now fails when it is called without specifying a config file. ([\#12789](https://github.com/matrix-org/synapse/issues/12789))
- Simplify `disallow_untyped_defs` config in `mypy.ini`. ([\#12790](https://github.com/matrix-org/synapse/issues/12790))
- The `hash_password` script now fails when it is called without specifying a config file. Contributed by @jae1911. ([\#12789](https://github.com/matrix-org/synapse/issues/12789))
- Improve and fix type hints. ([\#12567](https://github.com/matrix-org/synapse/issues/12567), [\#12477](https://github.com/matrix-org/synapse/issues/12477), [\#12717](https://github.com/matrix-org/synapse/issues/12717), [\#12753](https://github.com/matrix-org/synapse/issues/12753), [\#12695](https://github.com/matrix-org/synapse/issues/12695), [\#12734](https://github.com/matrix-org/synapse/issues/12734), [\#12716](https://github.com/matrix-org/synapse/issues/12716), [\#12726](https://github.com/matrix-org/synapse/issues/12726), [\#12790](https://github.com/matrix-org/synapse/issues/12790), [\#12833](https://github.com/matrix-org/synapse/issues/12833))
- Update EventContext `get_current_event_ids` and `get_prev_event_ids` to accept state filters and update calls where possible. ([\#12791](https://github.com/matrix-org/synapse/issues/12791))
- Remove Caddy from the Synapse workers image used in Complement. ([\#12818](https://github.com/matrix-org/synapse/issues/12818))
- Add Complement's shared registration secret to the Complement worker image. This fixes tests that depend on it. ([\#12819](https://github.com/matrix-org/synapse/issues/12819))
- Support registering Application Services when running with workers under Complement. ([\#12826](https://github.com/matrix-org/synapse/issues/12826))
- Add some type hints to test files. ([\#12833](https://github.com/matrix-org/synapse/issues/12833))
- Disable 'faster room join' Complement tests when testing against Synapse with workers. ([\#12842](https://github.com/matrix-org/synapse/issues/12842))


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