MSC4267: Automatically forgetting rooms on leave #4267
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Johennes
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Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>
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turt2live
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turt2live
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Feb 24, 2025
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Implementation requirements:
- Client
- Server
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Server: element-hq/synapse#18196
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Client: matrix-org/matrix-js-sdk#4732
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This was referenced Feb 28, 2025
t3chguy
reviewed
Feb 28, 2025
proposals/4267-auto-forget.md
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| ``` json5 | ||
| { | ||
| "capabilities": { | ||
| "m.leave_without_forget": { |
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I got hung up on this naming. m.leave_implicit_forget or m.leave_auto_forget maybe? Leave without forget sounds like its doing the opposite of
Therefore, servers that
auto-forget rooms MUST advertise that they do so via anm.leave_without_forget
capability.
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Yeah, the current naming is a bit odd. I was thinking of the capability as "I can leave a room without forgetting it" but that makes it reciprocal to auto-forgetting rooms on the server.
You could also think of it inversely like in your suggestion as "I can leave and forget a room in one operation". My only concern with this was that when the capability is enabled, a client actually has less choice. It's not actually that you can leave and forget in one operation but rather that you must.
Maybe I'm just overthinking it though. 😵💫
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m.forget_forced_upon_leave maybe?
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I like that. It's not reciprocal and expresses the coercion aspect. 👍
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it's a bit clunky though - how about just m.forced_forget?
kegsay
approved these changes
Mar 11, 2025
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My only concern is that we may be unduly confident because Synapse has had the config option forget_rooms_on_leave for a long time now. The problem is it defaults to false, so I would like to hear from some people who have been using that option successfully.
ara4n
reviewed
Mar 11, 2025
| @@ -0,0 +1,70 @@ | |||
| # MSC4267: Automatically forgetting rooms on leave | |||
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This looks very sensible to me, fwiw. I don't think we need further proof of implementation between 2x servers, given it's also pretty trivial to envisage how it'd work; I suggest we FCP it.
MadLittleMods
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Jun 27, 2025
This adds the capability from matrix-org/matrix-spec-proposals#4267 under an experimental feature. Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>
netbsd-srcmastr
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Jul 17, 2025
Builds on NetBSD 10 amd64, and builds/tests-ok on NetBSD 9 amd64 using dependencies from 2025Q2. NB: A security update to synapse is scheduled for July 22. Consult https://matrix.org/blog/2025/07/security-predisclosure/ for further details. Those running synapse in production may wish to update to 1.134.0 to reduce the magnitude of change when updating to the July 22 version (although that will be a big update regardless). Note that the usual pkgsrc pre-commit test is upgrading from the current pkgsrc version and briefly checking operation. Therefore, not upgrading has a theoretical risk of encountering a 1.127.1 to 1.135.0 update bug when 1.127.1 to 134.0 and 1.134.0 to 1.135.0 are ok. # Synapse 1.134.0 (2025-07-15) - Support for [MSC4235](matrix-org/matrix-spec-proposals#4235): `via` query param for hierarchy endpoint. Contributed by Krishan (@kfiven). ([\#18070](element-hq/synapse#18070)) - Add `forget_forced_upon_leave` capability as per [MSC4267](matrix-org/matrix-spec-proposals#4267). ([\#18196](element-hq/synapse#18196)) - Add `federated_user_may_invite` spam checker callback which receives the entire invite event. Contributed by @tulir @ Beeper. ([\#18241](element-hq/synapse#18241)) # Synapse 1.133.0 (2025-07-01) - Add support for the [MSC4260 user report API](matrix-org/matrix-spec-proposals#4260). ([\#18120](element-hq/synapse#18120)) # Synapse 1.132.0 (2025-06-17) - Add support for [MSC4155](matrix-org/matrix-spec-proposals#4155) Invite Filtering. ([\#18288](element-hq/synapse#18288)) - Add experimental `user_may_send_state_event` module API callback. ([\#18455](element-hq/synapse#18455)) - Add experimental `get_media_config_for_user` and `is_user_allowed_to_upload_media_of_size` module API callbacks that allow overriding of media repository maximum upload size. ([\#18457](element-hq/synapse#18457)) - Add experimental `get_ratelimit_override_for_user` module API callback that allows overriding of per-user ratelimits. ([\#18458](element-hq/synapse#18458)) - Pass `room_config` argument to `user_may_create_room` spam checker module callback. ([\#18486](element-hq/synapse#18486)) - Support configuration of default and extra user types. ([\#18456](element-hq/synapse#18456)) - Successful requests to `/_matrix/app/v1/ping` will now force Synapse to reattempt delivering transactions to appservices. ([\#18521](element-hq/synapse#18521)) - Support the import of the `RatelimitOverride` type from `synapse.module_api` in modules and rename `messages_per_second` to `per_second`. ([\#18513](element-hq/synapse#18513)) # Synapse 1.131.0 (2025-06-03) - Add `msc4263_limit_key_queries_to_users_who_share_rooms` config option as per [MSC4263](matrix-org/matrix-spec-proposals#4263). ([\#18180](element-hq/synapse#18180)) - Add option to allow registrations that begin with `_`. Contributed by `_` (@hex5f). ([\#18262](element-hq/synapse#18262)) - Include room ID in response to the [Room Deletion Status Admin API](https://element-hq.github.io/synapse/latest/admin_api/rooms.html#status-of-deleting-rooms). ([\#18318](element-hq/synapse#18318)) - Add support for calling Policy Servers ([MSC4284](matrix-org/matrix-spec-proposals#4284)) to mark events as spam. ([\#18387](element-hq/synapse#18387)) # Synapse 1.130.0 (2025-05-20) - Add an Admin API endpoint `GET /_synapse/admin/v1/scheduled_tasks` to fetch scheduled tasks. ([\#18214](element-hq/synapse#18214)) - Add config option `user_directory.exclude_remote_users` which, when enabled, excludes remote users from user directory search results. ([\#18300](element-hq/synapse#18300)) - Add support for handling `GET /devices/` on workers. ([\#18355](element-hq/synapse#18355)) # Synapse 1.129.0 (2025-05-06) - Add `passthrough_authorization_parameters` in OIDC configuration to allow passing parameters to the authorization grant URL. ([\#18232](element-hq/synapse#18232)) - Add `total_event_count`, `total_message_count`, and `total_e2ee_event_count` fields to the homeserver usage statistics. ([\#18260](element-hq/synapse#18260)) # Synapse 1.128.0 (2025-04-08) - Add an access token introspection cache to make Matrix Authentication Service integration ([MSC3861](matrix-org/matrix-spec-proposals#3861)) more efficient. ([\#18231](element-hq/synapse#18231)) - Add background job to clear unreferenced state groups. ([\#18254](element-hq/synapse#18254)) - Hashes of media files are now tracked by Synapse. Media quarantines will now apply to all files with the same hash. ([\#18277](element-hq/synapse#18277), [\#18302](element-hq/synapse#18302), [\#18296](element-hq/synapse#18296))
netbsd-srcmastr
pushed a commit
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Jul 18, 2025
chat/matrix-synapse: Update package in anticipation of security fix
Revisions pulled up:
- chat/matrix-synapse/Makefile 1.112
- chat/matrix-synapse/PLIST 1.59
- chat/matrix-synapse/cargo-depends.mk 1.27
- chat/matrix-synapse/distinfo 1.80
---
Module Name: pkgsrc
Committed By: gdt
Date: Thu Jul 17 11:24:44 UTC 2025
Modified Files:
pkgsrc/chat/matrix-synapse: Makefile PLIST cargo-depends.mk distinfo
Log Message:
chat/matrix-synapse: Update to 1.134.0
Builds on NetBSD 10 amd64, and builds/tests-ok on NetBSD 9 amd64 using
dependencies from 2025Q2.
NB: A security update to synapse is scheduled for July 22. Consult
https://matrix.org/blog/2025/07/security-predisclosure/
for further details.
Those running synapse in production may wish to update to 1.134.0 to
reduce the magnitude of change when updating to the July 22 version
(although that will be a big update regardless). Note that the usual
pkgsrc pre-commit test is upgrading from the current pkgsrc version
and briefly checking operation. Therefore, not upgrading has a
theoretical risk of encountering a 1.127.1 to 1.135.0 update bug when
1.127.1 to 134.0 and 1.134.0 to 1.135.0 are ok.
# Synapse 1.134.0 (2025-07-15)
- Support for [MSC4235](matrix-org/matrix-spec-proposals#4235): `via` query param for hierarchy endpoint. Contributed by Krishan (@kfiven).
([\#18070](element-hq/synapse#18070))
- Add `forget_forced_upon_leave` capability as per [MSC4267](matrix-org/matrix-spec-proposals#4267). ([\#18196](element-hq/synapse#18196))
- Add `federated_user_may_invite` spam checker callback which receives the entire invite event. Contributed by @tulir @ Beeper. ([\#18241](element-hq/synapse#18241))
# Synapse 1.133.0 (2025-07-01)
- Add support for the [MSC4260 user report API](matrix-org/matrix-spec-proposals#4260). ([\#18120](element-hq/synapse#18120))
# Synapse 1.132.0 (2025-06-17)
- Add support for [MSC4155](matrix-org/matrix-spec-proposals#4155) Invite Filtering. ([\#18288](element-hq/synapse#18288))
- Add experimental `user_may_send_state_event` module API callback. ([\#18455](element-hq/synapse#18455))
- Add experimental `get_media_config_for_user` and `is_user_allowed_to_upload_media_of_size` module API callbacks that allow overriding of media repository maximum upload size.
([\#18457](element-hq/synapse#18457))
- Add experimental `get_ratelimit_override_for_user` module API callback that allows overriding of per-user ratelimits. ([\#18458](element-hq/synapse#18458))
- Pass `room_config` argument to `user_may_create_room` spam checker module callback. ([\#18486](element-hq/synapse#18486))
- Support configuration of default and extra user types. ([\#18456](element-hq/synapse#18456))
- Successful requests to `/_matrix/app/v1/ping` will now force Synapse to reattempt delivering transactions to appservices. ([\#18521](element-hq/synapse#18521))
- Support the import of the `RatelimitOverride` type from `synapse.module_api` in modules and rename `messages_per_second` to `per_second`.
([\#18513](element-hq/synapse#18513))
# Synapse 1.131.0 (2025-06-03)
- Add `msc4263_limit_key_queries_to_users_who_share_rooms` config option as per [MSC4263](matrix-org/matrix-spec-proposals#4263).
([\#18180](element-hq/synapse#18180))
- Add option to allow registrations that begin with `_`. Contributed by `_` (@hex5f). ([\#18262](element-hq/synapse#18262))
- Include room ID in response to the [Room Deletion Status Admin API](https://element-hq.github.io/synapse/latest/admin_api/rooms.html#status-of-deleting-rooms).
([\#18318](element-hq/synapse#18318))
- Add support for calling Policy Servers ([MSC4284](matrix-org/matrix-spec-proposals#4284)) to mark events as spam.
([\#18387](element-hq/synapse#18387))
# Synapse 1.130.0 (2025-05-20)
- Add an Admin API endpoint `GET /_synapse/admin/v1/scheduled_tasks` to fetch scheduled tasks. ([\#18214](element-hq/synapse#18214))
- Add config option `user_directory.exclude_remote_users` which, when enabled, excludes remote users from user directory search results. ([\#18300](element-hq/synapse#18300))
- Add support for handling `GET /devices/` on workers. ([\#18355](element-hq/synapse#18355))
# Synapse 1.129.0 (2025-05-06)
- Add `passthrough_authorization_parameters` in OIDC configuration to allow passing parameters to the authorization grant URL. ([\#18232](element-hq/synapse#18232))
- Add `total_event_count`, `total_message_count`, and `total_e2ee_event_count` fields to the homeserver usage statistics. ([\#18260](element-hq/synapse#18260))
# Synapse 1.128.0 (2025-04-08)
- Add an access token introspection cache to make Matrix Authentication Service integration ([MSC3861](matrix-org/matrix-spec-proposals#3861)) more efficient.
([\#18231](element-hq/synapse#18231))
- Add background job to clear unreferenced state groups. ([\#18254](element-hq/synapse#18254))
- Hashes of media files are now tracked by Synapse. Media quarantines will now apply to all files with the same hash. ([\#18277](element-hq/synapse#18277),
[\#18302](element-hq/synapse#18302), [\#18296](element-hq/synapse#18296))
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Rendered
Fixes: matrix-org/matrix-spec#447
In line with matrix-org/matrix-spec#1700, the following disclosure applies:
I am a Systems Architect at gematik, Software Engineer at Unomed, Matrix community member and former Element employee. This proposal was written and published with my gematik hat on.