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Remove conflicting sqlite tables that are "reserved" (shadow fts4 tables) #9003

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MadLittleMods
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@MadLittleMods MadLittleMods commented Dec 31, 2020

Remove conflicting sqlite tables that throw sqlite3.OperationalError: object name reserved for internal use: event_search_content when running the twisted unit tests.

Fix #8996

If I remove these tables, the tests seem to run well 🤷

Before:

$ python -m twisted.trial tests
...
sqlite3.OperationalError: object name reserved for internal use: event_search_content

Ran 1412 tests in 57.728s

FAILED (skips=20, errors=1069, successes=323)

After:

$ python -m twisted.trial tests
...
Ran 1412 tests in 704.890s

PASSED (skips=20, successes=1392)

Pull Request Checklist

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  • Pull request includes a changelog file. The entry should:
    • Be a short description of your change which makes sense to users. "Fixed a bug that prevented receiving messages from other servers." instead of "Moved X method from EventStore to EventWorkerStore.".
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    • End with either a period (.) or an exclamation mark (!).
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@richvdh
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richvdh commented Jan 4, 2021

see #8996 for some background on this.

also: If we're removing things from the schema files, we should also update the script that is used to dump a new full schema so we don't have the same problem next time.

@clokep clokep added the X-Awaiting-Changes A contributed PR which needs changes and re-review before it can be merged label Jan 4, 2021
@MadLittleMods MadLittleMods force-pushed the 8996-fix-sqlite-object-name-reserved-for-internal-use branch from 507a2f1 to 8c37962 Compare January 4, 2021 23:20
DROP TABLE user_directory_search_segments;
DROP TABLE user_directory_search_segdir;
DROP TABLE user_directory_search_docsize;
DROP TABLE user_directory_search_stat;
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For reference, there is documentation about this script at synapse/storage/databases/main/schema/full_schemas/README.md

@MadLittleMods MadLittleMods force-pushed the 8996-fix-sqlite-object-name-reserved-for-internal-use branch from 8c37962 to f2696ca Compare January 4, 2021 23:22
@MadLittleMods MadLittleMods changed the title Remove conflicting sqlite tables that are "reserved" Remove conflicting sqlite tables that are "reserved" (shadow fts4 tables) Jan 4, 2021
DROP TABLE user_directory_search_segments;
DROP TABLE user_directory_search_segdir;
DROP TABLE user_directory_search_docsize;
DROP TABLE user_directory_search_stat;
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I haven't tested these changes as the script seems to fail for me before it gets there. Also is there a way to run without a postgres username? (I had to comment that part of the shell script out)

$ ./scripts-dev/make_full_schema.sh -o ./

...

Creating port tables...
Setting up sequence generators...
scripts/synapse_port_db:630: RuntimeWarning: coroutine 'DatabasePool.runInteraction' was never awaited
  await self._setup_user_id_seq()
RuntimeWarning: Enable tracemalloc to get the object allocation traceback
2021-01-04 17:48:57,303 - synapse_port_db - 704 - ERROR -
Traceback (most recent call last):
  File "scripts/synapse_port_db", line 631, in run
    await self._setup_events_stream_seqs()
  File "scripts/synapse_port_db", line 910, in _setup_events_stream_seqs
    return await self.postgres_store.db_pool.runInteraction(
  File "/Users/eric/Documents/github/synapse/synapse/storage/database.py", line 632, in runInteraction
    result = await self.runWithConnection(
  File "/Users/eric/Documents/github/synapse/synapse/storage/database.py", line 712, in runWithConnection
    return await make_deferred_yieldable(
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/threadpool.py", line 250, in inContext
    result = inContext.theWork()
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/threadpool.py", line 266, in <lambda>
    inContext.theWork = lambda: context.call(ctx, func, *args, **kw)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/context.py", line 122, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/context.py", line 85, in callWithContext
    return func(*args,**kw)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/enterprise/adbapi.py", line 306, in _runWithConnection
    compat.reraise(excValue, excTraceback)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/compat.py", line 464, in reraise
    raise exception.with_traceback(traceback)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/enterprise/adbapi.py", line 297, in _runWithConnection
    result = func(conn, *args, **kw)
  File "/Users/eric/Documents/github/synapse/synapse/storage/database.py", line 707, in inner_func
    return func(db_conn, *args, **kwargs)
  File "/Users/eric/Documents/github/synapse/synapse/storage/database.py", line 510, in new_transaction
    r = func(cursor, *args, **kwargs)
  File "scripts/synapse_port_db", line 907, in _setup_events_stream_seqs_set_pos
    (curr_backward_id + 1,),
TypeError: unsupported operand type(s) for +: 'NoneType' and 'int'
Traceback (most recent call last):
  File "scripts/synapse_port_db", line 631, in run
    await self._setup_events_stream_seqs()
  File "scripts/synapse_port_db", line 910, in _setup_events_stream_seqs
    return await self.postgres_store.db_pool.runInteraction(
  File "/Users/eric/Documents/github/synapse/synapse/storage/database.py", line 632, in runInteraction
    result = await self.runWithConnection(
  File "/Users/eric/Documents/github/synapse/synapse/storage/database.py", line 712, in runWithConnection
    return await make_deferred_yieldable(
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/threadpool.py", line 250, in inContext
    result = inContext.theWork()
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/threadpool.py", line 266, in <lambda>
    inContext.theWork = lambda: context.call(ctx, func, *args, **kw)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/context.py", line 122, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/context.py", line 85, in callWithContext
    return func(*args,**kw)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/enterprise/adbapi.py", line 306, in _runWithConnection
    compat.reraise(excValue, excTraceback)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/python/compat.py", line 464, in reraise
    raise exception.with_traceback(traceback)
  File "/Users/eric/Documents/github/synapse/env/lib/python3.8/site-packages/twisted/enterprise/adbapi.py", line 297, in _runWithConnection
    result = func(conn, *args, **kw)
  File "/Users/eric/Documents/github/synapse/synapse/storage/database.py", line 707, in inner_func
    return func(db_conn, *args, **kwargs)
  File "/Users/eric/Documents/github/synapse/synapse/storage/database.py", line 510, in new_transaction
    r = func(cursor, *args, **kwargs)
  File "scripts/synapse_port_db", line 907, in _setup_events_stream_seqs_set_pos
    (curr_backward_id + 1,),
TypeError: unsupported operand type(s) for +: 'NoneType' and 'int'

@MadLittleMods MadLittleMods removed the X-Awaiting-Changes A contributed PR which needs changes and re-review before it can be merged label Jan 4, 2021
@MadLittleMods MadLittleMods requested a review from richvdh January 4, 2021 23:54
@MadLittleMods MadLittleMods force-pushed the 8996-fix-sqlite-object-name-reserved-for-internal-use branch from f2696ca to b2da205 Compare January 5, 2021 00:05
@MadLittleMods MadLittleMods requested review from a team and removed request for richvdh February 8, 2021 22:49
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this is fine, but I'm not thrilled about it. It's a bit magical, and will break if we add more virtual tables in the future. I'd really like to get to the bottom of the problem.

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looks good, other than the changelog.

changelog.d/9003.misc Outdated Show resolved Hide resolved
@richvdh richvdh merged commit 80d6dc9 into develop Feb 10, 2021
@richvdh richvdh deleted the 8996-fix-sqlite-object-name-reserved-for-internal-use branch February 10, 2021 20:12
@MadLittleMods
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Thanks @richvdh! Glad you were able to find the root cause on why this was necessary :D

clokep added a commit that referenced this pull request Feb 19, 2021
Synapse 1.28.0rc1 (2021-02-19)
==============================

Note that this release drops support for ARMv7 in the official Docker images, due to repeated problems building for ARMv7 (and the associated maintenance burden this entails).

This release also fixes the documentation included in v1.27.0 around the callback URI for SAML2 identity providers. If your server is configured to use single sign-on via a SAML2 IdP, you may need to make configuration changes. Please review [UPGRADE.rst](UPGRADE.rst) for more details on these changes.

Removal warning
---------------

The v1 list accounts API is deprecated and will be removed in a future release.
This API was undocumented and misleading. It can be replaced by the
[v2 list accounts API](https://github.com/matrix-org/synapse/blob/release-v1.28.0/docs/admin_api/user_admin_api.rst#list-accounts),
which has been available since Synapse 1.7.0 (2019-12-13).

Please check if you're using any scripts which use the admin API and replace
`GET /_synapse/admin/v1/users/<user_id>` with `GET /_synapse/admin/v2/users`.

Features
--------

- New admin API to get the context of an event: `/_synapse/admin/rooms/{roomId}/context/{eventId}`. ([\#9150](#9150))
- Further improvements to the user experience of registration via single sign-on. ([\#9300](#9300), [\#9301](#9301))
- Add hook to spam checker modules that allow checking file uploads and remote downloads. ([\#9311](#9311))
- Add support for receiving OpenID Connect authentication responses via form `POST`s rather than `GET`s. ([\#9376](#9376))
- Add the shadow-banning status to the admin API for user info. ([\#9400](#9400))

Bugfixes
--------

- Fix long-standing bug where sending email notifications would fail for rooms that the server had since left. ([\#9257](#9257))
- Fix bug in Synapse 1.27.0rc1 which meant the "session expired" error page during SSO registration was badly formatted. ([\#9296](#9296))
- Assert a maximum length for some parameters for spec compliance. ([\#9321](#9321), [\#9393](#9393))
- Fix additional errors when previewing URLs: "AttributeError 'NoneType' object has no attribute 'xpath'" and "ValueError: Unicode strings with encoding declaration are not supported. Please use bytes input or XML fragments without declaration.". ([\#9333](#9333))
- Fix a bug causing Synapse to impose the wrong type constraints on fields when processing responses from appservices to `/_matrix/app/v1/thirdparty/user/{protocol}`. ([\#9361](#9361))
- Fix bug where Synapse would occasionally stop reconnecting to Redis after the connection was lost. ([\#9391](#9391))
- Fix a long-standing bug when upgrading a room: "TypeError: '>' not supported between instances of 'NoneType' and 'int'". ([\#9395](#9395))
- Reduce the amount of memory used when generating the URL preview of a file that is larger than the `max_spider_size`. ([\#9421](#9421))
- Fix a long-standing bug in the deduplication of old presence, resulting in no deduplication. ([\#9425](#9425))
- The `ui_auth.session_timeout` config option can now be specified in terms of number of seconds/minutes/etc/. Contributed by Rishabh Arya. ([\#9426](#9426))
- Fix a bug introduced in v1.27.0: "TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType." related to the user directory. ([\#9428](#9428))

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

- Drop support for ARMv7 in Docker images. ([\#9433](#9433))

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

- Reorganize CHANGELOG.md. ([\#9281](#9281))
- Add note to `auto_join_rooms` config option explaining existing rooms must be publicly joinable. ([\#9291](#9291))
- Correct name of Synapse's service file in TURN howto. ([\#9308](#9308))
- Fix the braces in the `oidc_providers` section of the sample config. ([\#9317](#9317))
- Update installation instructions on Fedora. ([\#9322](#9322))
- Add HTTP/2 support to the nginx example configuration. Contributed by David Vo. ([\#9390](#9390))
- Update docs for using Gitea as OpenID provider. ([\#9404](#9404))
- Document that pusher instances are shardable. ([\#9407](#9407))
- Fix erroneous documentation from v1.27.0 about updating the SAML2 callback URL. ([\#9434](#9434))

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

- Deprecate old admin API `GET /_synapse/admin/v1/users/<user_id>`. ([\#9429](#9429))

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

- Fix 'object name reserved for internal use' errors with recent versions of SQLite. ([\#9003](#9003))
- Add experimental support for running Synapse with PyPy. ([\#9123](#9123))
- Deny access to additional IP addresses by default. ([\#9240](#9240))
- Update the `Cursor` type hints to better match PEP 249. ([\#9299](#9299))
- Add debug logging for SRV lookups. Contributed by @Bubu. ([\#9305](#9305))
- Improve logging for OIDC login flow. ([\#9307](#9307))
- Share the code for handling required attributes between the CAS and SAML handlers. ([\#9326](#9326))
- Clean up the code to load the metadata for OpenID Connect identity providers. ([\#9362](#9362))
- Convert tests to use `HomeserverTestCase`. ([\#9377](#9377), [\#9396](#9396))
- Update the version of black used to 20.8b1. ([\#9381](#9381))
- Allow OIDC config to override discovered values. ([\#9384](#9384))
- Remove some dead code from the acceptance of room invites path. ([\#9394](#9394))
- Clean up an unused method in the presence handler code. ([\#9408](#9408))
Half-Shot pushed a commit that referenced this pull request Feb 20, 2021
…les) (#9003)

Remove conflicting sqlite tables that throw sqlite3.OperationalError: object name reserved for internal use: event_search_content when running the twisted unit tests.

Fix #8996
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request Mar 6, 2021
Synapse 1.28.0 (2021-02-25)
===========================

Note that this release drops support for ARMv7 in the official Docker images, due to repeated problems building for ARMv7 (and the associated maintenance burden this entails).

This release also fixes the documentation included in v1.27.0 around the callback URI for SAML2 identity providers. If your server is configured to use single sign-on via a SAML2 IdP, you may need to make configuration changes. Please review [UPGRADE.rst](UPGRADE.rst) for more details on these changes.


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

- Revert change in v1.28.0rc1 to remove the deprecated SAML endpoint. ([\#9474](matrix-org/synapse#9474))


Synapse 1.28.0rc1 (2021-02-19)
==============================

Removal warning
---------------

The v1 list accounts API is deprecated and will be removed in a future release.
This API was undocumented and misleading. It can be replaced by the
[v2 list accounts API](https://github.com/matrix-org/synapse/blob/release-v1.28.0/docs/admin_api/user_admin_api.rst#list-accounts),
which has been available since Synapse 1.7.0 (2019-12-13).

Please check if you're using any scripts which use the admin API and replace
`GET /_synapse/admin/v1/users/<user_id>` with `GET /_synapse/admin/v2/users`.


Features
--------

- New admin API to get the context of an event: `/_synapse/admin/rooms/{roomId}/context/{eventId}`. ([\#9150](matrix-org/synapse#9150))
- Further improvements to the user experience of registration via single sign-on. ([\#9300](matrix-org/synapse#9300), [\#9301](matrix-org/synapse#9301))
- Add hook to spam checker modules that allow checking file uploads and remote downloads. ([\#9311](matrix-org/synapse#9311))
- Add support for receiving OpenID Connect authentication responses via form `POST`s rather than `GET`s. ([\#9376](matrix-org/synapse#9376))
- Add the shadow-banning status to the admin API for user info. ([\#9400](matrix-org/synapse#9400))


Bugfixes
--------

- Fix long-standing bug where sending email notifications would fail for rooms that the server had since left. ([\#9257](matrix-org/synapse#9257))
- Fix bug introduced in Synapse 1.27.0rc1 which meant the "session expired" error page during SSO registration was badly formatted. ([\#9296](matrix-org/synapse#9296))
- Assert a maximum length for some parameters for spec compliance. ([\#9321](matrix-org/synapse#9321), [\#9393](matrix-org/synapse#9393))
- Fix additional errors when previewing URLs: "AttributeError 'NoneType' object has no attribute 'xpath'" and "ValueError: Unicode strings with encoding declaration are not supported. Please use bytes input or XML fragments without declaration.". ([\#9333](matrix-org/synapse#9333))
- Fix a bug causing Synapse to impose the wrong type constraints on fields when processing responses from appservices to `/_matrix/app/v1/thirdparty/user/{protocol}`. ([\#9361](matrix-org/synapse#9361))
- Fix bug where Synapse would occasionally stop reconnecting to Redis after the connection was lost. ([\#9391](matrix-org/synapse#9391))
- Fix a long-standing bug when upgrading a room: "TypeError: '>' not supported between instances of 'NoneType' and 'int'". ([\#9395](matrix-org/synapse#9395))
- Reduce the amount of memory used when generating the URL preview of a file that is larger than the `max_spider_size`. ([\#9421](matrix-org/synapse#9421))
- Fix a long-standing bug in the deduplication of old presence, resulting in no deduplication. ([\#9425](matrix-org/synapse#9425))
- The `ui_auth.session_timeout` config option can now be specified in terms of number of seconds/minutes/etc/. Contributed by Rishabh Arya. ([\#9426](matrix-org/synapse#9426))
- Fix a bug introduced in v1.27.0: "TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType." related to the user directory. ([\#9428](matrix-org/synapse#9428))


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

- Drop support for ARMv7 in Docker images. ([\#9433](matrix-org/synapse#9433))


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

- Reorganize CHANGELOG.md. ([\#9281](matrix-org/synapse#9281))
- Add note to `auto_join_rooms` config option explaining existing rooms must be publicly joinable. ([\#9291](matrix-org/synapse#9291))
- Correct name of Synapse's service file in TURN howto. ([\#9308](matrix-org/synapse#9308))
- Fix the braces in the `oidc_providers` section of the sample config. ([\#9317](matrix-org/synapse#9317))
- Update installation instructions on Fedora. ([\#9322](matrix-org/synapse#9322))
- Add HTTP/2 support to the nginx example configuration. Contributed by David Vo. ([\#9390](matrix-org/synapse#9390))
- Update docs for using Gitea as OpenID provider. ([\#9404](matrix-org/synapse#9404))
- Document that pusher instances are shardable. ([\#9407](matrix-org/synapse#9407))
- Fix erroneous documentation from v1.27.0 about updating the SAML2 callback URL. ([\#9434](matrix-org/synapse#9434))


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

- Deprecate old admin API `GET /_synapse/admin/v1/users/<user_id>`. ([\#9429](matrix-org/synapse#9429))


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

- Fix 'object name reserved for internal use' errors with recent versions of SQLite. ([\#9003](matrix-org/synapse#9003))
- Add experimental support for running Synapse with PyPy. ([\#9123](matrix-org/synapse#9123))
- Deny access to additional IP addresses by default. ([\#9240](matrix-org/synapse#9240))
- Update the `Cursor` type hints to better match PEP 249. ([\#9299](matrix-org/synapse#9299))
- Add debug logging for SRV lookups. Contributed by @Bubu. ([\#9305](matrix-org/synapse#9305))
- Improve logging for OIDC login flow. ([\#9307](matrix-org/synapse#9307))
- Share the code for handling required attributes between the CAS and SAML handlers. ([\#9326](matrix-org/synapse#9326))
- Clean up the code to load the metadata for OpenID Connect identity providers. ([\#9362](matrix-org/synapse#9362))
- Convert tests to use `HomeserverTestCase`. ([\#9377](matrix-org/synapse#9377), [\#9396](matrix-org/synapse#9396))
- Update the version of black used to 20.8b1. ([\#9381](matrix-org/synapse#9381))
- Allow OIDC config to override discovered values. ([\#9384](matrix-org/synapse#9384))
- Remove some dead code from the acceptance of room invites path. ([\#9394](matrix-org/synapse#9394))
- Clean up an unused method in the presence handler code. ([\#9408](matrix-org/synapse#9408))


Synapse 1.27.0 (2021-02-16)
===========================

Note that this release includes a change in Synapse to use Redis as a cache ─ as well as a pub/sub mechanism ─ if Redis support is enabled for workers. No action is needed by server administrators, and we do not expect resource usage of the Redis instance to change dramatically.

This release also changes the callback URI for OpenID Connect (OIDC) and SAML2 identity providers. If your server is configured to use single sign-on via an OIDC/OAuth2 or SAML2 IdP, you may need to make configuration changes. Please review [UPGRADE.rst](UPGRADE.rst) for more details on these changes.

This release also changes escaping of variables in the HTML templates for SSO or email notifications. If you have customised these templates, please review [UPGRADE.rst](UPGRADE.rst) for more details on these changes.


Bugfixes
--------

- Fix building Docker images for armv7. ([\#9405](matrix-org/synapse#9405))


Synapse 1.27.0rc2 (2021-02-11)
==============================

Features
--------

- Further improvements to the user experience of registration via single sign-on. ([\#9297](matrix-org/synapse#9297))


Bugfixes
--------

- Fix ratelimiting introduced in v1.27.0rc1 for invites to respect the `ratelimit` flag on application services. ([\#9302](matrix-org/synapse#9302))
- Do not automatically calculate `public_baseurl` since it can be wrong in some situations. Reverts behaviour introduced in v1.26.0. ([\#9313](matrix-org/synapse#9313))


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

- Clarify the sample configuration for changes made to the template loading code. ([\#9310](matrix-org/synapse#9310))


Synapse 1.27.0rc1 (2021-02-02)
==============================

Features
--------

- Add an admin API for getting and deleting forward extremities for a room. ([\#9062](matrix-org/synapse#9062))
- Add an admin API for retrieving the current room state of a room. ([\#9168](matrix-org/synapse#9168))
- Add experimental support for allowing clients to pick an SSO Identity Provider ([MSC2858](matrix-org/matrix-spec-proposals#2858)). ([\#9183](matrix-org/synapse#9183), [\#9242](matrix-org/synapse#9242))
- Add an admin API endpoint for shadow-banning users. ([\#9209](matrix-org/synapse#9209))
- Add ratelimits to the 3PID `/requestToken` APIs. ([\#9238](matrix-org/synapse#9238))
- Add support to the OpenID Connect integration for adding the user's email address. ([\#9245](matrix-org/synapse#9245))
- Add ratelimits to invites in rooms and to specific users. ([\#9258](matrix-org/synapse#9258))
- Improve the user experience of setting up an account via single-sign on. ([\#9262](matrix-org/synapse#9262), [\#9272](matrix-org/synapse#9272), [\#9275](matrix-org/synapse#9275), [\#9276](matrix-org/synapse#9276), [\#9277](matrix-org/synapse#9277), [\#9286](matrix-org/synapse#9286), [\#9287](matrix-org/synapse#9287))
- Add phone home stats for encrypted messages. ([\#9283](matrix-org/synapse#9283))
- Update the redirect URI for OIDC authentication. ([\#9288](matrix-org/synapse#9288))


Bugfixes
--------

- Fix spurious errors in logs when deleting a non-existant pusher. ([\#9121](matrix-org/synapse#9121))
- Fix a long-standing bug where Synapse would return a 500 error when a thumbnail did not exist (and auto-generation of thumbnails was not enabled). ([\#9163](matrix-org/synapse#9163))
- Fix a long-standing bug where an internal server error was raised when attempting to preview an HTML document in an unknown character encoding. ([\#9164](matrix-org/synapse#9164))
- Fix a long-standing bug where invalid data could cause errors when calculating the presentable room name for push. ([\#9165](matrix-org/synapse#9165))
- Fix bug where we sometimes didn't detect that Redis connections had died, causing workers to not see new data. ([\#9218](matrix-org/synapse#9218))
- Fix a bug where `None` was passed to Synapse modules instead of an empty dictionary if an empty module `config` block was provided in the homeserver config. ([\#9229](matrix-org/synapse#9229))
- Fix a bug in the `make_room_admin` admin API where it failed if the admin with the greatest power level was not in the room. Contributed by Pankaj Yadav. ([\#9235](matrix-org/synapse#9235))
- Prevent password hashes from getting dropped if a client failed threepid validation during a User Interactive Auth stage. Removes a workaround for an ancient bug in Riot Web <v0.7.4. ([\#9265](matrix-org/synapse#9265))
- Fix single-sign-on when the endpoints are routed to synapse workers. ([\#9271](matrix-org/synapse#9271))


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

- Add docs for using Gitea as OpenID provider. ([\#9134](matrix-org/synapse#9134))
- Add link to Matrix VoIP tester for turn-howto. ([\#9135](matrix-org/synapse#9135))
- Add notes on integrating with Facebook for SSO login. ([\#9244](matrix-org/synapse#9244))


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

- The `service_url` parameter in `cas_config` is deprecated in favor of `public_baseurl`. ([\#9199](matrix-org/synapse#9199))
- Add new endpoint `/_synapse/client/saml2` for SAML2 authentication callbacks, and deprecate the old endpoint `/_matrix/saml2`. ([\#9289](matrix-org/synapse#9289))


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

- Add tests to `test_user.UsersListTestCase` for List Users Admin API. ([\#9045](matrix-org/synapse#9045))
- Various improvements to the federation client. ([\#9129](matrix-org/synapse#9129))
- Speed up chain cover calculation when persisting a batch of state events at once. ([\#9176](matrix-org/synapse#9176))
- Add a `long_description_type` to the package metadata. ([\#9180](matrix-org/synapse#9180))
- Speed up batch insertion when using PostgreSQL. ([\#9181](matrix-org/synapse#9181), [\#9188](matrix-org/synapse#9188))
- Emit an error at startup if different Identity Providers are configured with the same `idp_id`. ([\#9184](matrix-org/synapse#9184))
- Improve performance of concurrent use of `StreamIDGenerators`. ([\#9190](matrix-org/synapse#9190))
- Add some missing source directories to the automatic linting script. ([\#9191](matrix-org/synapse#9191))
- Precompute joined hosts and store in Redis. ([\#9198](matrix-org/synapse#9198), [\#9227](matrix-org/synapse#9227))
- Clean-up template loading code. ([\#9200](matrix-org/synapse#9200))
- Fix the Python 3.5 old dependencies build. ([\#9217](matrix-org/synapse#9217))
- Update `isort` to v5.7.0 to bypass a bug where it would disagree with `black` about formatting. ([\#9222](matrix-org/synapse#9222))
- Add type hints to handlers code. ([\#9223](matrix-org/synapse#9223), [\#9232](matrix-org/synapse#9232))
- Fix Debian package building on Ubuntu 16.04 LTS (Xenial). ([\#9254](matrix-org/synapse#9254))
- Minor performance improvement during TLS handshake. ([\#9255](matrix-org/synapse#9255))
- Refactor the generation of summary text for email notifications. ([\#9260](matrix-org/synapse#9260))
- Restore PyPy compatibility by not calling CPython-specific GC methods when under PyPy. ([\#9270](matrix-org/synapse#9270))
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