Log Message:
Update chat/matrix-synapse to 1.22.0

Synapse 1.22.0 (2020-10-27)
===========================

No significant changes.

Synapse 1.22.0rc2 (2020-10-26)
==============================

Bugfixes
--------

- Fix bugs where ephemeral events were not sent to appservices. Broke in \ 
v1.22.0rc1. ([\#8648](https://github.com/matrix-org/synapse/issues/8648), \ 
[\#8656](https://github.com/matrix-org/synapse/issues/8656))
- Fix `user_daily_visits` table to not have duplicate rows per user/device due \ 
to multiple user agents. Broke in v1.22.0rc1. \ 
([\#8654](https://github.com/matrix-org/synapse/issues/8654))

Synapse 1.22.0rc1 (2020-10-22)
==============================

Features
--------

- Add a configuration option for always using the "userinfo endpoint" \ 
for OpenID Connect. This fixes support for some identity providers, e.g. GitLab. \ 
Contributed by Benjamin Koch. \ 
([\#7658](https://github.com/matrix-org/synapse/issues/7658))
- Add ability for `ThirdPartyEventRules` modules to query and manipulate whether \ 
a room is in the public rooms directory. \ 
([\#8292](https://github.com/matrix-org/synapse/issues/8292), \ 
[\#8467](https://github.com/matrix-org/synapse/issues/8467))
- Add support for olm fallback keys \ 
([MSC2732](https://github.com/matrix-org/matrix-doc/pull/2732)). \ 
([\#8312](https://github.com/matrix-org/synapse/issues/8312), \ 
[\#8501](https://github.com/matrix-org/synapse/issues/8501))
- Add support for running background tasks in a separate worker process. \ 
([\#8369](https://github.com/matrix-org/synapse/issues/8369), \ 
[\#8458](https://github.com/matrix-org/synapse/issues/8458), \ 
[\#8489](https://github.com/matrix-org/synapse/issues/8489), \ 
[\#8513](https://github.com/matrix-org/synapse/issues/8513), \ 
[\#8544](https://github.com/matrix-org/synapse/issues/8544), \ 
[\#8599](https://github.com/matrix-org/synapse/issues/8599))
- Add support for device dehydration \ 
([MSC2697](https://github.com/matrix-org/matrix-doc/pull/2697)). \ 
([\#8380](https://github.com/matrix-org/synapse/issues/8380))
- Add support for [MSC2409](https://github.com/matrix-org/matrix-doc/pull/2409), \ 
which allows sending typing, read receipts, and presence events to appservices. \ 
([\#8437](https://github.com/matrix-org/synapse/issues/8437), \ 
[\#8590](https://github.com/matrix-org/synapse/issues/8590))
- Change default room version to "6", per \ 
[MSC2788](https://github.com/matrix-org/matrix-doc/pull/2788). \ 
([\#8461](https://github.com/matrix-org/synapse/issues/8461))
- Add the ability to send non-membership events into a room via the `ModuleApi`. \ 
([\#8479](https://github.com/matrix-org/synapse/issues/8479))
- Increase default upload size limit from 10M to 50M. Contributed by @Akkowicz. \ 
([\#8502](https://github.com/matrix-org/synapse/issues/8502))
- Add support for modifying event content in `ThirdPartyRules` modules. \ 
([\#8535](https://github.com/matrix-org/synapse/issues/8535), \ 
[\#8564](https://github.com/matrix-org/synapse/issues/8564))

Bugfixes
--------

- Fix a longstanding bug where invalid ignored users in account data could break \ 
clients. ([\#8454](https://github.com/matrix-org/synapse/issues/8454))
- Fix a bug where backfilling a room with an event that was missing the \ 
`redacts` field would break. \ 
([\#8457](https://github.com/matrix-org/synapse/issues/8457))
- Don't attempt to respond to some requests if the client has already \ 
disconnected. ([\#8465](https://github.com/matrix-org/synapse/issues/8465))
- Fix message duplication if something goes wrong after persisting the event. \ 
([\#8476](https://github.com/matrix-org/synapse/issues/8476))
- Fix incremental sync returning an incorrect `prev_batch` token in timeline \ 
section, which when used to paginate returned events that were included in the \ 
incremental sync. Broken since v0.16.0. \ 
([\#8486](https://github.com/matrix-org/synapse/issues/8486))
- Expose the `uk.half-shot.msc2778.login.application_service` to clients from \ 
the login API. This feature was added in v1.21.0, but was not exposed as a \ 
potential login flow. \ 
([\#8504](https://github.com/matrix-org/synapse/issues/8504))
- Fix error code for `/profile/{userId}/displayname` to be `M_BAD_JSON`. \ 
([\#8517](https://github.com/matrix-org/synapse/issues/8517))
- Fix a bug introduced in v1.7.0 that could cause Synapse to insert values from \ 
non-state `m.room.retention` events into the `room_retention` database table. \ 
([\#8527](https://github.com/matrix-org/synapse/issues/8527))
- Fix not sending events over federation when using sharded event writers. \ 
([\#8536](https://github.com/matrix-org/synapse/issues/8536))
- Fix a long standing bug where email notifications for encrypted messages were \ 
blank. ([\#8545](https://github.com/matrix-org/synapse/issues/8545))
- Fix increase in the number of `There was no active span...` errors logged when \ 
using OpenTracing. ([\#8567](https://github.com/matrix-org/synapse/issues/8567))
- Fix a bug that prevented errors encountered during execution of the \ 
`synapse_port_db` from being correctly printed. \ 
([\#8585](https://github.com/matrix-org/synapse/issues/8585))
- Fix appservice transactions to only include a maximum of 100 persistent and \ 
100 ephemeral events. \ 
([\#8606](https://github.com/matrix-org/synapse/issues/8606))

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

- Added multi-arch support (arm64,arm/v7) for the docker images. Contributed by \ 
@maquis196. ([\#7921](https://github.com/matrix-org/synapse/issues/7921))
- Add support for passing commandline args to the synapse process. Contributed \ 
by @samuel-p. ([\#8390](https://github.com/matrix-org/synapse/issues/8390))

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

- Update the directions for using the manhole with coroutines. \ 
([\#8462](https://github.com/matrix-org/synapse/issues/8462))
- Improve readme by adding new shield.io badges. \ 
([\#8493](https://github.com/matrix-org/synapse/issues/8493))
- Added note about docker in manhole.md regarding which ip address to bind to. \ 
Contributed by @Maquis196. \ 
([\#8526](https://github.com/matrix-org/synapse/issues/8526))
- Document the new behaviour of the `allowed_lifetime_min` and \ 
`allowed_lifetime_max` settings in the room retention configuration. \ 
([\#8529](https://github.com/matrix-org/synapse/issues/8529))

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

- Drop unused `device_max_stream_id` table. \ 
([\#8589](https://github.com/matrix-org/synapse/issues/8589))

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

- Check for unreachable code with mypy. \ 
([\#8432](https://github.com/matrix-org/synapse/issues/8432))
- Add unit test for event persister sharding. \ 
([\#8433](https://github.com/matrix-org/synapse/issues/8433))
- Allow events to be sent to clients sooner when using sharded event persisters. \ 
([\#8439](https://github.com/matrix-org/synapse/issues/8439), \ 
[\#8488](https://github.com/matrix-org/synapse/issues/8488), \ 
[\#8496](https://github.com/matrix-org/synapse/issues/8496), \ 
[\#8499](https://github.com/matrix-org/synapse/issues/8499))
- Configure `public_baseurl` when using demo scripts. \ 
([\#8443](https://github.com/matrix-org/synapse/issues/8443))
- Add SQL logging on queries that happen during startup. \ 
([\#8448](https://github.com/matrix-org/synapse/issues/8448))
- Speed up unit tests when using PostgreSQL. \ 
([\#8450](https://github.com/matrix-org/synapse/issues/8450))
- Remove redundant database loads of stream_ordering for events we already have. \ 
([\#8452](https://github.com/matrix-org/synapse/issues/8452))
- Reduce inconsistencies between codepaths for membership and non-membership \ 
events. ([\#8463](https://github.com/matrix-org/synapse/issues/8463))
- Combine `SpamCheckerApi` with the more generic `ModuleApi`. \ 
([\#8464](https://github.com/matrix-org/synapse/issues/8464))
- Additional testing for `ThirdPartyEventRules`. \ 
([\#8468](https://github.com/matrix-org/synapse/issues/8468))
- Add `-d` option to `./scripts-dev/lint.sh` to lint files that have changed \ 
since the last git commit. \ 
([\#8472](https://github.com/matrix-org/synapse/issues/8472))
- Unblacklist some sytests. \ 
([\#8474](https://github.com/matrix-org/synapse/issues/8474))
- Include the log level in the phone home stats. \ 
([\#8477](https://github.com/matrix-org/synapse/issues/8477))
- Remove outdated sphinx documentation, scripts and configuration. \ 
([\#8480](https://github.com/matrix-org/synapse/issues/8480))
- Clarify error message when plugin config parsers raise an error. \ 
([\#8492](https://github.com/matrix-org/synapse/issues/8492))
- Remove the deprecated `Handlers` object. \ 
([\#8494](https://github.com/matrix-org/synapse/issues/8494))
- Fix a threadsafety bug in unit tests. \ 
([\#8497](https://github.com/matrix-org/synapse/issues/8497))
- Add user agent to user_daily_visits table. \ 
([\#8503](https://github.com/matrix-org/synapse/issues/8503))
- Add type hints to various parts of the code base. \ 
([\#8407](https://github.com/matrix-org/synapse/issues/8407), \ 
[\#8505](https://github.com/matrix-org/synapse/issues/8505), \ 
[\#8507](https://github.com/matrix-org/synapse/issues/8507), \ 
[\#8547](https://github.com/matrix-org/synapse/issues/8547), \ 
[\#8562](https://github.com/matrix-org/synapse/issues/8562), \ 
[\#8609](https://github.com/matrix-org/synapse/issues/8609))
- Remove unused code from the test framework. \ 
([\#8514](https://github.com/matrix-org/synapse/issues/8514))
- Apply some internal fixes to the `HomeServer` class to make its code more \ 
idiomatic and statically-verifiable. \ 
([\#8515](https://github.com/matrix-org/synapse/issues/8515))
- Factor out common code between `RoomMemberHandler._locally_reject_invite` and \ 
`EventCreationHandler.create_event`. \ 
([\#8537](https://github.com/matrix-org/synapse/issues/8537))
- Improve database performance by executing more queries without starting \ 
transactions. ([\#8542](https://github.com/matrix-org/synapse/issues/8542))
- Rename `Cache` to `DeferredCache`, to better reflect its purpose. \ 
([\#8548](https://github.com/matrix-org/synapse/issues/8548))
- Move metric registration code down into `LruCache`. \ 
([\#8561](https://github.com/matrix-org/synapse/issues/8561), \ 
[\#8591](https://github.com/matrix-org/synapse/issues/8591))
- Replace `DeferredCache` with the lighter-weight `LruCache` where possible. \ 
([\#8563](https://github.com/matrix-org/synapse/issues/8563))
- Add virtualenv-generated folders to `.gitignore`. \ 
([\#8566](https://github.com/matrix-org/synapse/issues/8566))
- Add `get_immediate` method to `DeferredCache`. \ 
([\#8568](https://github.com/matrix-org/synapse/issues/8568))
- Fix mypy not properly checking across the codebase, additionally, fix a typing \ 
assertion error in `handlers/auth.py`. \ 
([\#8569](https://github.com/matrix-org/synapse/issues/8569))
- Fix `synmark` benchmark runner. \ 
([\#8571](https://github.com/matrix-org/synapse/issues/8571))
- Modify `DeferredCache.get()` to return `Deferred`s instead of \ 
`ObservableDeferred`s. \ 
([\#8572](https://github.com/matrix-org/synapse/issues/8572))
- Adjust a protocol-type definition to fit `sqlite3` assertions. \ 
([\#8577](https://github.com/matrix-org/synapse/issues/8577))
- Support macOS on the `synmark` benchmark runner. \ 
([\#8578](https://github.com/matrix-org/synapse/issues/8578))
- Update `mypy` static type checker to 0.790. \ 
([\#8583](https://github.com/matrix-org/synapse/issues/8583), \ 
[\#8600](https://github.com/matrix-org/synapse/issues/8600))
- Re-organize the structured logging code to separate the TCP transport handling \ 
from the JSON formatting. \ 
([\#8587](https://github.com/matrix-org/synapse/issues/8587))
- Remove extraneous unittest logging decorators from unit tests. \ 
([\#8592](https://github.com/matrix-org/synapse/issues/8592))
- Minor optimisations in caching code. \ 
([\#8593](https://github.com/matrix-org/synapse/issues/8593), \ 
[\#8594](https://github.com/matrix-org/synapse/issues/8594))