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Copy room serials before handling in get_new_events_as
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DMRobertson
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Jul 26, 2022
synapse/handlers/typing.py
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| # Work on a copy of things here as these may change when this coroutine awaits the | ||
| # is_interested_in_room call. Shallow copy is safe as no nested data is present. |
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At first I thought this was saying that the call to service.is_interested_in_room might change handler._room_serials, which sounds like an odd thing for an appservice to do. But I think the point is that Synapse itself might change handler._room_serials while the current coroutine is suspended. Do I understand correctly?
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Yep that's what I meant! Pushed a better comment in 4fe0b2e I think
DMRobertson
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Synapse 1.65.0 (2022-08-16) =========================== No significant changes since 1.65.0rc2. Synapse 1.65.0rc2 (2022-08-11) ============================== Internal Changes ---------------- - Revert 'Remove the unspecced `room_id` field in the `/hierarchy` response. ([\matrix-org#13365](matrix-org#13365))' to give more time for clients to update. ([\matrix-org#13501](matrix-org#13501)) Synapse 1.65.0rc1 (2022-08-09) ============================== Features -------- - Add support for stable prefixes for [MSC2285 (private read receipts)](matrix-org/matrix-spec-proposals#2285). ([\matrix-org#13273](matrix-org#13273)) - Add new unstable error codes `ORG.MATRIX.MSC3848.ALREADY_JOINED`, `ORG.MATRIX.MSC3848.NOT_JOINED`, and `ORG.MATRIX.MSC3848.INSUFFICIENT_POWER` described in [MSC3848](matrix-org/matrix-spec-proposals#3848). ([\matrix-org#13343](matrix-org#13343)) - Use stable prefixes for [MSC3827](matrix-org/matrix-spec-proposals#3827). ([\matrix-org#13370](matrix-org#13370)) - Add a new module API method to translate a room alias into a room ID. ([\matrix-org#13428](matrix-org#13428)) - Add a new module API method to create a room. ([\matrix-org#13429](matrix-org#13429)) - Add remote join capability to the module API's `update_room_membership` method (in a backwards compatible manner). ([\matrix-org#13441](matrix-org#13441)) Bugfixes -------- - Update the version of the LDAP3 auth provider module included in the `matrixdotorg/synapse` DockerHub images and the Debian packages hosted on packages.matrix.org to 0.2.2. This version fixes a regression in the module. ([\matrix-org#13470](matrix-org#13470)) - Fix a bug introduced in Synapse v1.41.0 where the `/hierarchy` API returned non-standard information (a `room_id` field under each entry in `children_state`). ([\matrix-org#13365](matrix-org#13365)) - Fix a bug introduced in Synapse 0.24.0 that would respond with the wrong error status code to `/joined_members` requests when the requester is not a current member of the room. Contributed by @andrewdoh. ([\matrix-org#13374](matrix-org#13374)) - Fix bug in handling of typing events for appservices. Contributed by Nick @ Beeper (@Fizzadar). ([\matrix-org#13392](matrix-org#13392)) - Fix a bug introduced in Synapse 1.57.0 where rooms listed in `exclude_rooms_from_sync` in the configuration file would not be properly excluded from incremental syncs. ([\matrix-org#13408](matrix-org#13408)) - Fix a bug in the experimental faster-room-joins support which could cause it to get stuck in an infinite loop. ([\matrix-org#13353](matrix-org#13353)) - Faster room joins: fix a bug which caused rejected events to become un-rejected during state syncing. ([\matrix-org#13413](matrix-org#13413)) - Faster room joins: fix error when running out of servers to sync partial state with, so that Synapse raises the intended error instead. ([\matrix-org#13432](matrix-org#13432)) Updates to the Docker image --------------------------- - Make Docker images build on armv7 by installing cryptography dependencies in the 'requirements' stage. Contributed by Jasper Spaans. ([\matrix-org#13372](matrix-org#13372)) Improved Documentation ---------------------- - Update the 'registration tokens' page to acknowledge that the relevant MSC was merged into version 1.2 of the Matrix specification. Contributed by @moan0s. ([\matrix-org#11897](matrix-org#11897)) - Document which HTTP resources support gzip compression. ([\matrix-org#13221](matrix-org#13221)) - Add steps describing how to elevate an existing user to administrator by manipulating the database. ([\matrix-org#13230](matrix-org#13230)) - Fix wrong headline for `url_preview_accept_language` in documentation. ([\matrix-org#13437](matrix-org#13437)) - Remove redundant 'Contents' section from the Configuration Manual. Contributed by @dklimpel. ([\matrix-org#13438](matrix-org#13438)) - Update documentation for config setting `macaroon_secret_key`. ([\matrix-org#13443](matrix-org#13443)) - Update outdated information on `sso_mapping_providers` documentation. ([\matrix-org#13449](matrix-org#13449)) - Fix example code in module documentation of `password_auth_provider_callbacks`. ([\matrix-org#13450](matrix-org#13450)) - Make the configuration for the cache clearer. ([\matrix-org#13481](matrix-org#13481)) Internal Changes ---------------- - Extend the release script to automatically push a new SyTest branch, rather than having that be a manual process. ([\matrix-org#12978](matrix-org#12978)) - Make minor clarifications to the error messages given when we fail to join a room via any server. ([\matrix-org#13160](matrix-org#13160)) - Enable Complement CI tests in the 'latest deps' test run. ([\matrix-org#13213](matrix-org#13213)) - Fix long-standing bugged logic which was never hit in `get_pdu` asking every remote destination even after it finds an event. ([\matrix-org#13346](matrix-org#13346)) - Faster room joins: avoid blocking when pulling events with partially missing prev events. ([\matrix-org#13355](matrix-org#13355)) - Instrument `/messages` for understandable traces in Jaeger. ([\matrix-org#13368](matrix-org#13368)) - Remove an unused argument to `get_relations_for_event`. ([\matrix-org#13383](matrix-org#13383)) - Add a `merge-back` command to the release script, which automates merging the correct branches after a release. ([\matrix-org#13393](matrix-org#13393)) - Adding missing type hints to tests. ([\matrix-org#13397](matrix-org#13397)) - Faster Room Joins: don't leave a stuck room partial state flag if the join fails. ([\matrix-org#13403](matrix-org#13403)) - Refactor `_resolve_state_at_missing_prevs` to compute an `EventContext` instead. ([\matrix-org#13404](matrix-org#13404), [\matrix-org#13431](matrix-org#13431)) - Faster Room Joins: prevent Synapse from answering federated join requests for a room which it has not fully joined yet. ([\matrix-org#13416](matrix-org#13416)) - Re-enable running Complement tests against Synapse with workers. ([\matrix-org#13420](matrix-org#13420)) - Prevent unnecessary lookups to any external `get_event` cache. Contributed by Nick @ Beeper (@Fizzadar). ([\matrix-org#13435](matrix-org#13435)) - Add some tracing to give more insight into local room joins. ([\matrix-org#13439](matrix-org#13439)) - Rename class `RateLimitConfig` to `RatelimitSettings` and `FederationRateLimitConfig` to `FederationRatelimitSettings`. ([\matrix-org#13442](matrix-org#13442)) - Add some comments about how event push actions are stored. ([\matrix-org#13445](matrix-org#13445), [\matrix-org#13455](matrix-org#13455)) - Improve rebuild speed for the "synapse-workers" docker image. ([\matrix-org#13447](matrix-org#13447)) - Fix `@tag_args` being off-by-one with the arguments when tagging a span (tracing). ([\matrix-org#13452](matrix-org#13452)) - Update type of `EventContext.rejected`. ([\matrix-org#13460](matrix-org#13460)) - Use literals in place of `HTTPStatus` constants in tests. ([\matrix-org#13463](matrix-org#13463), [\matrix-org#13469](matrix-org#13469)) - Correct a misnamed argument in state res v2 internals. ([\matrix-org#13467](matrix-org#13467))
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We encouter this from time to time:
The await call to
service.is_interested_in_roommakes this possible and copying the data before generating events should work around it.Signed off by Nick @ Beeper (@Fizzadar).
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