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Remove the unstable event field for /send_join per MSC3083.
#12395
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So am I understanding correctly that servers on v1.42.0 will not be able to join restricted rooms, since they won't be able to get the correctly signed event out of the |
Correct, any servers on Synapse v1.41.0 - v1.48.0 joining via a server that is on Synapse > v1.57.0 (or whenever this lands) would not complete properly since they would be unable to retrieve the proper signed event. We can leave it for now, I just don't know when it has been "enough" time. |
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Yeah, fair. I'm not sure either, so maybe let's discuss this as a team? |
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We discussed this a bit in our meeting and the conclusion was:
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I tested this by setting up a public space and a restricted room (limited to members of the space) as
The rationale for why this occurs is that the event is properly added by Unfortunately the event will fail auth rules and be rejected later on. During the secondary join, Being able to @erikjohnston Does this assuage your concerns? I think we are fine since a second join would work, although the initial error message is confusing. |
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That doesn't sound like the worst failure mode then, in which case I'm happy for this to merge now. |
erikjohnston
approved these changes
Apr 12, 2022
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There was a bit more discussion about this at https://matrix.to/#/!XaqDhxuTIlvldquJaV:matrix.org/$Pwha2nemDov3DEnRxEUhxjqb_HLrapZk9J2BmpMDmHI?via=matrix.org&via=element.io&via=vector.modular.im The tl;dr was that both homeservers persist the event with the proper auth events and signatures. |
babolivier
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Apr 28, 2022
Synapse 1.58.0rc1 (2022-04-26) ============================== As of this release, the groups/communities feature in Synapse is now disabled by default. See [\#11584](matrix-org/synapse#11584) for details. As mentioned in [the upgrade notes](https://github.com/matrix-org/synapse/blob/develop/docs/upgrade.md#upgrading-to-v1580), this feature will be removed in Synapse 1.61. Features -------- - Implement [MSC3383](matrix-org/matrix-spec-proposals#3383) for including the destination in server-to-server authentication headers. Contributed by @Bubu and @jcgruenhage for Famedly. ([\#11398](matrix-org/synapse#11398)) - Docker images and Debian packages from matrix.org now contain a locked set of Python dependencies, greatly improving build reproducibility. ([Board](https://github.com/orgs/matrix-org/projects/54), [\#11537](matrix-org/synapse#11537)) - Enable processing of device list updates asynchronously. ([\#12365](matrix-org/synapse#12365), [\#12465](matrix-org/synapse#12465)) - Implement [MSC2815](matrix-org/matrix-spec-proposals#2815) to allow room moderators to view redacted event content. Contributed by @tulir. ([\#12427](matrix-org/synapse#12427)) - Build Debian packages for Ubuntu 22.04 "Jammy Jellyfish". ([\#12543](matrix-org/synapse#12543)) Bugfixes -------- - Prevent a sync request from removing a user's busy presence status. ([\#12213](matrix-org/synapse#12213)) - Fix bug with incremental sync missing events when rejoining/backfilling. Contributed by Nick @ Beeper. ([\#12319](matrix-org/synapse#12319)) - Fix a long-standing bug which incorrectly caused `GET /_matrix/client/v3/rooms/{roomId}/event/{eventId}` to return edited events rather than the original. ([\#12476](matrix-org/synapse#12476)) - Fix a bug introduced in Synapse 1.27.0 where the admin API for [deleting forward extremities](https://github.com/matrix-org/synapse/blob/erikj/fix_delete_event_response_count/docs/admin_api/rooms.md#deleting-forward-extremities) would always return a count of 1, no matter how many extremities were deleted. ([\#12496](matrix-org/synapse#12496)) - Fix a long-standing bug where the image thumbnails embedded into email notifications were broken. ([\#12510](matrix-org/synapse#12510)) - Fix a bug in the implementation of [MSC3202](matrix-org/matrix-spec-proposals#3202) where Synapse would use the field name `device_unused_fallback_keys`, rather than `device_unused_fallback_key_types`. ([\#12520](matrix-org/synapse#12520)) - Fix a bug introduced in Synapse 0.99.3 which could cause Synapse to consume large amounts of RAM when back-paginating in a large room. ([\#12522](matrix-org/synapse#12522)) Improved Documentation ---------------------- - Fix rendering of the documentation site when using the 'print' feature. ([\#12340](matrix-org/synapse#12340)) - Add a manual documenting config file options. ([\#12368](matrix-org/synapse#12368), [\#12527](matrix-org/synapse#12527)) - Update documentation to reflect that both the `run_background_tasks_on` option and the options for moving stream writers off of the main process are no longer experimental. ([\#12451](matrix-org/synapse#12451)) - Update worker documentation and replace old `federation_reader` with `generic_worker`. ([\#12457](matrix-org/synapse#12457)) - Strongly recommend [Poetry](https://python-poetry.org/) for development. ([\#12475](matrix-org/synapse#12475)) - Add some example configurations for workers and update architectural diagram. ([\#12492](matrix-org/synapse#12492)) - Fix a broken link in `README.rst`. ([\#12495](matrix-org/synapse#12495)) - Add HAProxy delegation example with CORS headers to docs. ([\#12501](matrix-org/synapse#12501)) - Remove extraneous comma in User Admin API's device deletion section so that the example JSON is actually valid and works. Contributed by @olmari. ([\#12533](matrix-org/synapse#12533)) Deprecations and Removals ------------------------- - The groups/communities feature in Synapse is now disabled by default. ([\#12344](matrix-org/synapse#12344)) - Remove unstable identifiers from [MSC3440](matrix-org/matrix-spec-proposals#3440). ([\#12382](matrix-org/synapse#12382)) Internal Changes ---------------- - Preparation for faster-room-join work: start a background process to resynchronise the room state after a room join. ([\#12394](matrix-org/synapse#12394)) - Preparation for faster-room-join work: Implement a tracking mechanism to allow functions to wait for full room state to arrive. ([\#12399](matrix-org/synapse#12399)) - Remove an unstable identifier from [MSC3083](matrix-org/matrix-spec-proposals#3083). ([\#12395](matrix-org/synapse#12395)) - Run CI in the locked [Poetry](https://python-poetry.org/) environment, and remove corresponding `tox` jobs. ([\#12425](matrix-org/synapse#12425), [\#12434](matrix-org/synapse#12434), [\#12438](matrix-org/synapse#12438), [\#12441](matrix-org/synapse#12441), [\#12449](matrix-org/synapse#12449), [\#12478](matrix-org/synapse#12478), [\#12514](matrix-org/synapse#12514), [\#12472](matrix-org/synapse#12472)) - Change Mutual Rooms' `unstable_features` flag to `uk.half-shot.msc2666.mutual_rooms` which matches the current iteration of [MSC2666](matrix-org/matrix-spec-proposals#2666). ([\#12445](matrix-org/synapse#12445)) - Fix typo in the release script help string. ([\#12450](matrix-org/synapse#12450)) - Fix a minor typo in the Debian changelogs generated by the release script. ([\#12497](matrix-org/synapse#12497)) - Reintroduce the list of targets to the linter script, to avoid linting unwanted local-only directories during development. ([\#12455](matrix-org/synapse#12455)) - Limit length of `device_id` to less than 512 characters. ([\#12454](matrix-org/synapse#12454)) - Dockerfile-workers: reduce the amount we install in the image. ([\#12464](matrix-org/synapse#12464)) - Dockerfile-workers: give the master its own log config. ([\#12466](matrix-org/synapse#12466)) - complement-synapse-workers: factor out separate entry point script. ([\#12467](matrix-org/synapse#12467)) - Back out experimental implementation of [MSC2314](matrix-org/matrix-spec-proposals#2314). ([\#12474](matrix-org/synapse#12474)) - Fix grammatical error in federation error response when the room version of a room is unknown. ([\#12483](matrix-org/synapse#12483)) - Remove unnecessary configuration overrides in tests. ([\#12511](matrix-org/synapse#12511)) - Refactor the relations code for clarity. ([\#12519](matrix-org/synapse#12519)) - Add type hints so `docker` and `stubs` directories pass `mypy --disallow-untyped-defs`. ([\#12528](matrix-org/synapse#12528)) - Update `delay_cancellation` to accept any awaitable, rather than just `Deferred`s. ([\#12468](matrix-org/synapse#12468)) - Handle cancellation in `EventsWorkerStore._get_events_from_cache_or_db`. ([\#12529](matrix-org/synapse#12529))
babolivier
added a commit
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that referenced
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May 3, 2022
Synapse 1.58.0 (2022-05-03) =========================== As of this release, the groups/communities feature in Synapse is now disabled by default. See [\#11584](matrix-org/synapse#11584) for details. As mentioned in [the upgrade notes](https://github.com/matrix-org/synapse/blob/develop/docs/upgrade.md#upgrading-to-v1580), this feature will be removed in Synapse 1.61. No significant changes since 1.58.0rc2. Synapse 1.58.0rc2 (2022-04-26) ============================== This release candidate fixes bugs related to Synapse 1.58.0rc1's logic for handling device list updates. Bugfixes -------- - Fix a bug introduced in Synapse 1.58.0rc1 where the main process could consume excessive amounts of CPU and memory while handling sentry logging failures. ([\#12554](matrix-org/synapse#12554)) - Fix a bug introduced in Synapse 1.58.0rc1 where opentracing contexts were not correctly sent to whitelisted remote servers with device lists updates. ([\#12555](matrix-org/synapse#12555)) Internal Changes ---------------- - Reduce unnecessary work when handling remote device list updates. ([\#12557](matrix-org/synapse#12557)) Synapse 1.58.0rc1 (2022-04-26) ============================== Features -------- - Implement [MSC3383](matrix-org/matrix-spec-proposals#3383) for including the destination in server-to-server authentication headers. Contributed by @Bubu and @jcgruenhage for Famedly. ([\#11398](matrix-org/synapse#11398)) - Docker images and Debian packages from matrix.org now contain a locked set of Python dependencies, greatly improving build reproducibility. ([Board](https://github.com/orgs/matrix-org/projects/54), [\#11537](matrix-org/synapse#11537)) - Enable processing of device list updates asynchronously. ([\#12365](matrix-org/synapse#12365), [\#12465](matrix-org/synapse#12465)) - Implement [MSC2815](matrix-org/matrix-spec-proposals#2815) to allow room moderators to view redacted event content. Contributed by @tulir @ Beeper. ([\#12427](matrix-org/synapse#12427)) - Build Debian packages for Ubuntu 22.04 "Jammy Jellyfish". ([\#12543](matrix-org/synapse#12543)) Bugfixes -------- - Prevent a sync request from removing a user's busy presence status. ([\#12213](matrix-org/synapse#12213)) - Fix bug with incremental sync missing events when rejoining/backfilling. Contributed by Nick @ Beeper. ([\#12319](matrix-org/synapse#12319)) - Fix a long-standing bug which incorrectly caused `GET /_matrix/client/v3/rooms/{roomId}/event/{eventId}` to return edited events rather than the original. ([\#12476](matrix-org/synapse#12476)) - Fix a bug introduced in Synapse 1.27.0 where the admin API for [deleting forward extremities](https://github.com/matrix-org/synapse/blob/erikj/fix_delete_event_response_count/docs/admin_api/rooms.md#deleting-forward-extremities) would always return a count of 1, no matter how many extremities were deleted. ([\#12496](matrix-org/synapse#12496)) - Fix a long-standing bug where the image thumbnails embedded into email notifications were broken. ([\#12510](matrix-org/synapse#12510)) - Fix a bug in the implementation of [MSC3202](matrix-org/matrix-spec-proposals#3202) where Synapse would use the field name `device_unused_fallback_keys`, rather than `device_unused_fallback_key_types`. ([\#12520](matrix-org/synapse#12520)) - Fix a bug introduced in Synapse 0.99.3 which could cause Synapse to consume large amounts of RAM when back-paginating in a large room. ([\#12522](matrix-org/synapse#12522)) Improved Documentation ---------------------- - Fix rendering of the documentation site when using the 'print' feature. ([\#12340](matrix-org/synapse#12340)) - Add a manual documenting config file options. ([\#12368](matrix-org/synapse#12368), [\#12527](matrix-org/synapse#12527)) - Update documentation to reflect that both the `run_background_tasks_on` option and the options for moving stream writers off of the main process are no longer experimental. ([\#12451](matrix-org/synapse#12451)) - Update worker documentation and replace old `federation_reader` with `generic_worker`. ([\#12457](matrix-org/synapse#12457)) - Strongly recommend [Poetry](https://python-poetry.org/) for development. ([\#12475](matrix-org/synapse#12475)) - Add some example configurations for workers and update architectural diagram. ([\#12492](matrix-org/synapse#12492)) - Fix a broken link in `README.rst`. ([\#12495](matrix-org/synapse#12495)) - Add HAProxy delegation example with CORS headers to docs. ([\#12501](matrix-org/synapse#12501)) - Remove extraneous comma in User Admin API's device deletion section so that the example JSON is actually valid and works. Contributed by @olmari. ([\#12533](matrix-org/synapse#12533)) Deprecations and Removals ------------------------- - The groups/communities feature in Synapse is now disabled by default. ([\#12344](matrix-org/synapse#12344)) - Remove unstable identifiers from [MSC3440](matrix-org/matrix-spec-proposals#3440). ([\#12382](matrix-org/synapse#12382)) Internal Changes ---------------- - Preparation for faster-room-join work: start a background process to resynchronise the room state after a room join. ([\#12394](matrix-org/synapse#12394)) - Preparation for faster-room-join work: Implement a tracking mechanism to allow functions to wait for full room state to arrive. ([\#12399](matrix-org/synapse#12399)) - Remove an unstable identifier from [MSC3083](matrix-org/matrix-spec-proposals#3083). ([\#12395](matrix-org/synapse#12395)) - Run CI in the locked [Poetry](https://python-poetry.org/) environment, and remove corresponding `tox` jobs. ([\#12425](matrix-org/synapse#12425), [\#12434](matrix-org/synapse#12434), [\#12438](matrix-org/synapse#12438), [\#12441](matrix-org/synapse#12441), [\#12449](matrix-org/synapse#12449), [\#12478](matrix-org/synapse#12478), [\#12514](matrix-org/synapse#12514), [\#12472](matrix-org/synapse#12472)) - Change Mutual Rooms' `unstable_features` flag to `uk.half-shot.msc2666.mutual_rooms` which matches the current iteration of [MSC2666](matrix-org/matrix-spec-proposals#2666). ([\#12445](matrix-org/synapse#12445)) - Fix typo in the release script help string. ([\#12450](matrix-org/synapse#12450)) - Fix a minor typo in the Debian changelogs generated by the release script. ([\#12497](matrix-org/synapse#12497)) - Reintroduce the list of targets to the linter script, to avoid linting unwanted local-only directories during development. ([\#12455](matrix-org/synapse#12455)) - Limit length of `device_id` to less than 512 characters. ([\#12454](matrix-org/synapse#12454)) - Dockerfile-workers: reduce the amount we install in the image. ([\#12464](matrix-org/synapse#12464)) - Dockerfile-workers: give the master its own log config. ([\#12466](matrix-org/synapse#12466)) - complement-synapse-workers: factor out separate entry point script. ([\#12467](matrix-org/synapse#12467)) - Back out experimental implementation of [MSC2314](matrix-org/matrix-spec-proposals#2314). ([\#12474](matrix-org/synapse#12474)) - Fix grammatical error in federation error response when the room version of a room is unknown. ([\#12483](matrix-org/synapse#12483)) - Remove unnecessary configuration overrides in tests. ([\#12511](matrix-org/synapse#12511)) - Refactor the relations code for clarity. ([\#12519](matrix-org/synapse#12519)) - Add type hints so `docker` and `stubs` directories pass `mypy --disallow-untyped-defs`. ([\#12528](matrix-org/synapse#12528)) - Update `delay_cancellation` to accept any awaitable, rather than just `Deferred`s. ([\#12468](matrix-org/synapse#12468)) - Handle cancellation in `EventsWorkerStore._get_events_from_cache_or_db`. ([\#12529](matrix-org/synapse#12529))
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Fixes #11345 which goes into more detail about this, but I think we can drop support for the unstable identifier in
send_joinresponses from MSC3083, which was erroneously used for a bit after stabilization.The stable identifier was added in Synapse v1.49.0; the unstable identifiers were added in Synapse v1.41.0; so 1.41.0 - 1.48.0 are potentially of concern? Of those I only see any significant set of servers on 1.42.0.