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Support for MSC2285 (hidden read receipts) #10413

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merged 26 commits into from
Jul 28, 2021

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@SimonBrandner SimonBrandner commented Jul 16, 2021

  • Pull request is based on the develop branch
  • Pull request includes a changelog file.
  • Pull request includes a sign off
  • Code style is correct (run the linters)

Based on #5990
Implementation of matrix-org/matrix-spec-proposals#2285


To be honest, this PR doesn't fill me with feelings of confidence as I don't have much backend and Python development experience 😅 In case it's bad, sorry and feel free to reject it

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
@SimonBrandner SimonBrandner force-pushed the feature/hidden-rrs branch 3 times, most recently from 9cac95a to 26234ca Compare July 16, 2021 10:21
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
@SimonBrandner SimonBrandner force-pushed the feature/hidden-rrs branch 3 times, most recently from 1b92d84 to 3f47baf Compare July 19, 2021 09:27
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
@SimonBrandner SimonBrandner marked this pull request as ready for review July 19, 2021 10:06
@richvdh richvdh requested a review from a team July 22, 2021 09:13
@babolivier babolivier self-assigned this Jul 22, 2021
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Thanks! Looks sane to me apart from a few things. Also I think we'll probably want to hide this feature behind a flag in the experimental_features config until the MSC merges.

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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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Thanks for the review and sorry for the mistakes, hopefully, they're resolved now 😅

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Looks really good now! Just a couple of bits and it should be good to go!

sorry for the mistakes, hopefully, they're resolved now

Absolutely no worries at all, thanks a lot for working on this contribution! 🙂

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SimonBrandner and others added 2 commits July 27, 2021 18:32
Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
Co-authored-by: Brendan Abolivier <github@brendanabolivier.com>
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(this is the last one I promise)

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Looks good to me! I'll just wait for the CI to complete and merge this. Thanks again for your contribution! 😄

@babolivier babolivier merged commit c3b0377 into matrix-org:develop Jul 28, 2021
@SimonBrandner SimonBrandner deleted the feature/hidden-rrs branch July 28, 2021 10:57
babolivier added a commit that referenced this pull request Aug 4, 2021
Fixes a bug introduced in rc1 that would cause Synapse to 400 on read receipts requests with empty bodies.

Broken in #10413
aaronraimist added a commit to aaronraimist/synapse that referenced this pull request Aug 13, 2021
Synapse 1.40.0 (2021-08-10)
===========================

No significant changes.

Synapse 1.40.0rc3 (2021-08-09)
==============================

Features
--------

- Support [MSC3289: room version 8](matrix-org/matrix-spec-proposals#3289). ([\matrix-org#10449](matrix-org#10449))

Bugfixes
--------

- Mark the experimental room version from [MSC2716](matrix-org/matrix-spec-proposals#2716) as unstable. ([\matrix-org#10449](matrix-org#10449))

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

- Fix broken links in `upgrade.md`. Contributed by @dklimpel. ([\matrix-org#10543](matrix-org#10543))

Synapse 1.40.0rc2 (2021-08-04)
==============================

Bugfixes
--------

- Fix the `PeriodicallyFlushingMemoryHandler` inhibiting application shutdown because of its background thread. ([\matrix-org#10517](matrix-org#10517))
- Fix a bug introduced in Synapse v1.40.0rc1 that could cause Synapse to respond with an error when clients would update read receipts. ([\matrix-org#10531](matrix-org#10531))

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

- Fix release script to open the correct URL for the release. ([\matrix-org#10516](matrix-org#10516))

Synapse 1.40.0rc1 (2021-08-03)
==============================

Features
--------

- Add support for [MSC2033](matrix-org/matrix-spec-proposals#2033): `device_id` on `/account/whoami`. ([\matrix-org#9918](matrix-org#9918))
- Update support for [MSC2716 - Incrementally importing history into existing rooms](matrix-org/matrix-spec-proposals#2716). ([\matrix-org#10245](matrix-org#10245), [\matrix-org#10432](matrix-org#10432), [\matrix-org#10463](matrix-org#10463))
- Update support for [MSC3083](matrix-org/matrix-spec-proposals#3083) to consider changes in the MSC around which servers can issue join events. ([\matrix-org#10254](matrix-org#10254), [\matrix-org#10447](matrix-org#10447), [\matrix-org#10489](matrix-org#10489))
- Initial support for [MSC3244](matrix-org/matrix-spec-proposals#3244), Room version capabilities over the /capabilities API. ([\matrix-org#10283](matrix-org#10283))
- Add a buffered logging handler which periodically flushes itself. ([\matrix-org#10407](matrix-org#10407), [\matrix-org#10515](matrix-org#10515))
- Add support for https connections to a proxy server. Contributed by @Bubu and @dklimpel. ([\matrix-org#10411](matrix-org#10411))
- Support for [MSC2285 (hidden read receipts)](matrix-org/matrix-spec-proposals#2285). Contributed by @SimonBrandner. ([\matrix-org#10413](matrix-org#10413))
- Email notifications now state whether an invitation is to a room or a space. ([\matrix-org#10426](matrix-org#10426))
- Allow setting transaction limit for database connections. ([\matrix-org#10440](matrix-org#10440), [\matrix-org#10511](matrix-org#10511))
- Add `creation_ts` to "list users" admin API. ([\matrix-org#10448](matrix-org#10448))

Bugfixes
--------

- Improve character set detection in URL previews by supporting underscores (in addition to hyphens). Contributed by @srividyut. ([\matrix-org#10410](matrix-org#10410))
- Fix events being incorrectly rejected over federation if they reference auth events that the server needed to fetch. ([\matrix-org#10439](matrix-org#10439))
- Fix `synapse_federation_server_oldest_inbound_pdu_in_staging` Prometheus metric to not report a max age of 51 years when the queue is empty. ([\matrix-org#10455](matrix-org#10455))
- Fix a bug which caused an explicit assignment of power-level 0 to a user to be misinterpreted in rare circumstances. ([\matrix-org#10499](matrix-org#10499))

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

- Fix hierarchy of providers on the OpenID page. ([\matrix-org#10445](matrix-org#10445))
- Consolidate development documentation to `docs/development/`. ([\matrix-org#10453](matrix-org#10453))
- Add some developer docs to explain room DAG concepts like `outliers`, `state_groups`, `depth`, etc. ([\matrix-org#10464](matrix-org#10464))
- Document how to use Complement while developing a new Synapse feature. ([\matrix-org#10483](matrix-org#10483))

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

- Prune inbound federation queues for a room if they get too large. ([\matrix-org#10390](matrix-org#10390))
- Add type hints to `synapse.federation.transport.client` module. ([\matrix-org#10408](matrix-org#10408))
- Remove shebang line from module files. ([\matrix-org#10415](matrix-org#10415))
- Drop backwards-compatibility code that was required to support Ubuntu Xenial. ([\matrix-org#10429](matrix-org#10429))
- Use a docker image cache for the prerequisites for the debian package build. ([\matrix-org#10431](matrix-org#10431))
- Improve servlet type hints. ([\matrix-org#10437](matrix-org#10437), [\matrix-org#10438](matrix-org#10438))
- Replace usage of `or_ignore` in `simple_insert` with `simple_upsert` usage, to stop spamming postgres logs with spurious ERROR messages. ([\matrix-org#10442](matrix-org#10442))
- Update the `tests-done` Github Actions status. ([\matrix-org#10444](matrix-org#10444), [\matrix-org#10512](matrix-org#10512))
- Update type annotations to work with forthcoming Twisted 21.7.0 release. ([\matrix-org#10446](matrix-org#10446), [\matrix-org#10450](matrix-org#10450))
- Cancel redundant GHA workflows when a new commit is pushed. ([\matrix-org#10451](matrix-org#10451))
- Mitigate media repo XSS attacks on IE11 via the non-standard X-Content-Security-Policy header. ([\matrix-org#10468](matrix-org#10468))
- Additional type hints in the state handler. ([\matrix-org#10482](matrix-org#10482))
- Update syntax used to run complement tests. ([\matrix-org#10488](matrix-org#10488))
- Fix up type annotations to work with Twisted 21.7. ([\matrix-org#10490](matrix-org#10490))
- Improve type annotations for `ObservableDeferred`. ([\matrix-org#10491](matrix-org#10491))
- Extend release script to also tag and create GitHub releases. ([\matrix-org#10496](matrix-org#10496))
- Fix a bug which caused production debian packages to be incorrectly marked as 'prerelease'. ([\matrix-org#10500](matrix-org#10500))
babolivier added a commit to matrix-org/synapse-dinsic that referenced this pull request Sep 1, 2021
Synapse 1.40.0 (2021-08-10)
===========================

No significant changes.

Synapse 1.40.0rc3 (2021-08-09)
==============================

Features
--------

- Support [MSC3289: room version 8](matrix-org/matrix-spec-proposals#3289). ([\#10449](matrix-org/synapse#10449))

Bugfixes
--------

- Mark the experimental room version from [MSC2716](matrix-org/matrix-spec-proposals#2716) as unstable. ([\#10449](matrix-org/synapse#10449))

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

- Fix broken links in `upgrade.md`. Contributed by @dklimpel. ([\#10543](matrix-org/synapse#10543))

Synapse 1.40.0rc2 (2021-08-04)
==============================

Bugfixes
--------

- Fix the `PeriodicallyFlushingMemoryHandler` inhibiting application shutdown because of its background thread. ([\#10517](matrix-org/synapse#10517))
- Fix a bug introduced in Synapse v1.40.0rc1 that could cause Synapse to respond with an error when clients would update read receipts. ([\#10531](matrix-org/synapse#10531))

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

- Fix release script to open the correct URL for the release. ([\#10516](matrix-org/synapse#10516))

Synapse 1.40.0rc1 (2021-08-03)
==============================

Features
--------

- Add support for [MSC2033](matrix-org/matrix-spec-proposals#2033): `device_id` on `/account/whoami`. ([\#9918](matrix-org/synapse#9918))
- Update support for [MSC2716 - Incrementally importing history into existing rooms](matrix-org/matrix-spec-proposals#2716). ([\#10245](matrix-org/synapse#10245), [\#10432](matrix-org/synapse#10432), [\#10463](matrix-org/synapse#10463))
- Update support for [MSC3083](matrix-org/matrix-spec-proposals#3083) to consider changes in the MSC around which servers can issue join events. ([\#10254](matrix-org/synapse#10254), [\#10447](matrix-org/synapse#10447), [\#10489](matrix-org/synapse#10489))
- Initial support for [MSC3244](matrix-org/matrix-spec-proposals#3244), Room version capabilities over the /capabilities API. ([\#10283](matrix-org/synapse#10283))
- Add a buffered logging handler which periodically flushes itself. ([\#10407](matrix-org/synapse#10407), [\#10515](matrix-org/synapse#10515))
- Add support for https connections to a proxy server. Contributed by @Bubu and @dklimpel. ([\#10411](matrix-org/synapse#10411))
- Support for [MSC2285 (hidden read receipts)](matrix-org/matrix-spec-proposals#2285). Contributed by @SimonBrandner. ([\#10413](matrix-org/synapse#10413))
- Email notifications now state whether an invitation is to a room or a space. ([\#10426](matrix-org/synapse#10426))
- Allow setting transaction limit for database connections. ([\#10440](matrix-org/synapse#10440), [\#10511](matrix-org/synapse#10511))
- Add `creation_ts` to "list users" admin API. ([\#10448](matrix-org/synapse#10448))

Bugfixes
--------

- Improve character set detection in URL previews by supporting underscores (in addition to hyphens). Contributed by @srividyut. ([\#10410](matrix-org/synapse#10410))
- Fix events being incorrectly rejected over federation if they reference auth events that the server needed to fetch. ([\#10439](matrix-org/synapse#10439))
- Fix `synapse_federation_server_oldest_inbound_pdu_in_staging` Prometheus metric to not report a max age of 51 years when the queue is empty. ([\#10455](matrix-org/synapse#10455))
- Fix a bug which caused an explicit assignment of power-level 0 to a user to be misinterpreted in rare circumstances. ([\#10499](matrix-org/synapse#10499))

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

- Fix hierarchy of providers on the OpenID page. ([\#10445](matrix-org/synapse#10445))
- Consolidate development documentation to `docs/development/`. ([\#10453](matrix-org/synapse#10453))
- Add some developer docs to explain room DAG concepts like `outliers`, `state_groups`, `depth`, etc. ([\#10464](matrix-org/synapse#10464))
- Document how to use Complement while developing a new Synapse feature. ([\#10483](matrix-org/synapse#10483))

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

- Prune inbound federation queues for a room if they get too large. ([\#10390](matrix-org/synapse#10390))
- Add type hints to `synapse.federation.transport.client` module. ([\#10408](matrix-org/synapse#10408))
- Remove shebang line from module files. ([\#10415](matrix-org/synapse#10415))
- Drop backwards-compatibility code that was required to support Ubuntu Xenial. ([\#10429](matrix-org/synapse#10429))
- Use a docker image cache for the prerequisites for the debian package build. ([\#10431](matrix-org/synapse#10431))
- Improve servlet type hints. ([\#10437](matrix-org/synapse#10437), [\#10438](matrix-org/synapse#10438))
- Replace usage of `or_ignore` in `simple_insert` with `simple_upsert` usage, to stop spamming postgres logs with spurious ERROR messages. ([\#10442](matrix-org/synapse#10442))
- Update the `tests-done` Github Actions status. ([\#10444](matrix-org/synapse#10444), [\#10512](matrix-org/synapse#10512))
- Update type annotations to work with forthcoming Twisted 21.7.0 release. ([\#10446](matrix-org/synapse#10446), [\#10450](matrix-org/synapse#10450))
- Cancel redundant GHA workflows when a new commit is pushed. ([\#10451](matrix-org/synapse#10451))
- Mitigate media repo XSS attacks on IE11 via the non-standard X-Content-Security-Policy header. ([\#10468](matrix-org/synapse#10468))
- Additional type hints in the state handler. ([\#10482](matrix-org/synapse#10482))
- Update syntax used to run complement tests. ([\#10488](matrix-org/synapse#10488))
- Fix up type annotations to work with Twisted 21.7. ([\#10490](matrix-org/synapse#10490))
- Improve type annotations for `ObservableDeferred`. ([\#10491](matrix-org/synapse#10491))
- Extend release script to also tag and create GitHub releases. ([\#10496](matrix-org/synapse#10496))
- Fix a bug which caused production debian packages to be incorrectly marked as 'prerelease'. ([\#10500](matrix-org/synapse#10500))
Fizzadar pushed a commit to Fizzadar/synapse that referenced this pull request Oct 26, 2021
Synapse 1.40.0 (2021-08-10)
===========================

No significant changes.

Synapse 1.40.0rc3 (2021-08-09)
==============================

Features
--------

- Support [MSC3289: room version 8](matrix-org/matrix-spec-proposals#3289). ([\matrix-org#10449](matrix-org#10449))

Bugfixes
--------

- Mark the experimental room version from [MSC2716](matrix-org/matrix-spec-proposals#2716) as unstable. ([\matrix-org#10449](matrix-org#10449))

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

- Fix broken links in `upgrade.md`. Contributed by @dklimpel. ([\matrix-org#10543](matrix-org#10543))

Synapse 1.40.0rc2 (2021-08-04)
==============================

Bugfixes
--------

- Fix the `PeriodicallyFlushingMemoryHandler` inhibiting application shutdown because of its background thread. ([\matrix-org#10517](matrix-org#10517))
- Fix a bug introduced in Synapse v1.40.0rc1 that could cause Synapse to respond with an error when clients would update read receipts. ([\matrix-org#10531](matrix-org#10531))

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

- Fix release script to open the correct URL for the release. ([\matrix-org#10516](matrix-org#10516))

Synapse 1.40.0rc1 (2021-08-03)
==============================

Features
--------

- Add support for [MSC2033](matrix-org/matrix-spec-proposals#2033): `device_id` on `/account/whoami`. ([\matrix-org#9918](matrix-org#9918))
- Update support for [MSC2716 - Incrementally importing history into existing rooms](matrix-org/matrix-spec-proposals#2716). ([\matrix-org#10245](matrix-org#10245), [\matrix-org#10432](matrix-org#10432), [\matrix-org#10463](matrix-org#10463))
- Update support for [MSC3083](matrix-org/matrix-spec-proposals#3083) to consider changes in the MSC around which servers can issue join events. ([\matrix-org#10254](matrix-org#10254), [\matrix-org#10447](matrix-org#10447), [\matrix-org#10489](matrix-org#10489))
- Initial support for [MSC3244](matrix-org/matrix-spec-proposals#3244), Room version capabilities over the /capabilities API. ([\matrix-org#10283](matrix-org#10283))
- Add a buffered logging handler which periodically flushes itself. ([\matrix-org#10407](matrix-org#10407), [\matrix-org#10515](matrix-org#10515))
- Add support for https connections to a proxy server. Contributed by @Bubu and @dklimpel. ([\matrix-org#10411](matrix-org#10411))
- Support for [MSC2285 (hidden read receipts)](matrix-org/matrix-spec-proposals#2285). Contributed by @SimonBrandner. ([\matrix-org#10413](matrix-org#10413))
- Email notifications now state whether an invitation is to a room or a space. ([\matrix-org#10426](matrix-org#10426))
- Allow setting transaction limit for database connections. ([\matrix-org#10440](matrix-org#10440), [\matrix-org#10511](matrix-org#10511))
- Add `creation_ts` to "list users" admin API. ([\matrix-org#10448](matrix-org#10448))

Bugfixes
--------

- Improve character set detection in URL previews by supporting underscores (in addition to hyphens). Contributed by @srividyut. ([\matrix-org#10410](matrix-org#10410))
- Fix events being incorrectly rejected over federation if they reference auth events that the server needed to fetch. ([\matrix-org#10439](matrix-org#10439))
- Fix `synapse_federation_server_oldest_inbound_pdu_in_staging` Prometheus metric to not report a max age of 51 years when the queue is empty. ([\matrix-org#10455](matrix-org#10455))
- Fix a bug which caused an explicit assignment of power-level 0 to a user to be misinterpreted in rare circumstances. ([\matrix-org#10499](matrix-org#10499))

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

- Fix hierarchy of providers on the OpenID page. ([\matrix-org#10445](matrix-org#10445))
- Consolidate development documentation to `docs/development/`. ([\matrix-org#10453](matrix-org#10453))
- Add some developer docs to explain room DAG concepts like `outliers`, `state_groups`, `depth`, etc. ([\matrix-org#10464](matrix-org#10464))
- Document how to use Complement while developing a new Synapse feature. ([\matrix-org#10483](matrix-org#10483))

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

- Prune inbound federation queues for a room if they get too large. ([\matrix-org#10390](matrix-org#10390))
- Add type hints to `synapse.federation.transport.client` module. ([\matrix-org#10408](matrix-org#10408))
- Remove shebang line from module files. ([\matrix-org#10415](matrix-org#10415))
- Drop backwards-compatibility code that was required to support Ubuntu Xenial. ([\matrix-org#10429](matrix-org#10429))
- Use a docker image cache for the prerequisites for the debian package build. ([\matrix-org#10431](matrix-org#10431))
- Improve servlet type hints. ([\matrix-org#10437](matrix-org#10437), [\matrix-org#10438](matrix-org#10438))
- Replace usage of `or_ignore` in `simple_insert` with `simple_upsert` usage, to stop spamming postgres logs with spurious ERROR messages. ([\matrix-org#10442](matrix-org#10442))
- Update the `tests-done` Github Actions status. ([\matrix-org#10444](matrix-org#10444), [\matrix-org#10512](matrix-org#10512))
- Update type annotations to work with forthcoming Twisted 21.7.0 release. ([\matrix-org#10446](matrix-org#10446), [\matrix-org#10450](matrix-org#10450))
- Cancel redundant GHA workflows when a new commit is pushed. ([\matrix-org#10451](matrix-org#10451))
- Mitigate media repo XSS attacks on IE11 via the non-standard X-Content-Security-Policy header. ([\matrix-org#10468](matrix-org#10468))
- Additional type hints in the state handler. ([\matrix-org#10482](matrix-org#10482))
- Update syntax used to run complement tests. ([\matrix-org#10488](matrix-org#10488))
- Fix up type annotations to work with Twisted 21.7. ([\matrix-org#10490](matrix-org#10490))
- Improve type annotations for `ObservableDeferred`. ([\matrix-org#10491](matrix-org#10491))
- Extend release script to also tag and create GitHub releases. ([\matrix-org#10496](matrix-org#10496))
- Fix a bug which caused production debian packages to be incorrectly marked as 'prerelease'. ([\matrix-org#10500](matrix-org#10500))
@Bugsbane
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Bugsbane commented Jun 9, 2022

So, does this merge support:

  1. hiding read receipts for anyone in a specific room
  2. hiding the display of read receipts from other users in the room, or
  3. hiding your read receipts from being sent to others in the same room?

I'm running 1.59.7 (obviously after this merge was accepted) and I still don't see any way of avoiding having read receipts hidden in clients using rooms on my Synapse server.

@SimonBrandner
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So, does this merge support:

  1. hiding read receipts for anyone in a specific room
  2. hiding the display of read receipts from other users in the room, or
  3. hiding your read receipts from being sent to others in the same room?

I'm running 1.59.7 (obviously after this merge was accepted) and I still don't see any way of avoiding having read receipts hidden in clients using rooms on my Synapse server.

This MSC adds support for sending private (previously hidden) read receipts to the server which won't get sent over to other clients, so it will look as if you did not read the message of the other users. From the end-user perspective, this essentially allows you to disable read receipts.

There are a few clients that support this such as Element Web/Desktop where this feature is hidden behind a labs option as it is still considered unstable (the MSC isn't merged yet)

@tio-trom
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this feature is hidden behind a labs option as it is still considered unstable (the MSC isn't merged yet)

I cannot find this in the labs section how can I enable it? I'd like to test it. Thanks! :)

@SimonBrandner
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this feature is hidden behind a labs option as it is still considered unstable (the MSC isn't merged yet)

I cannot find this in the labs section how can I enable it? I'd like to test it. Thanks! :)

I would recommend visiting https://matrix.to/#/#synapse:matrix.org :)

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4 participants