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When a client asks for remote keys check if should resync. #6797
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If we detect that the remote users' keys may have changed then we should attempt to resync against the remote server rather than using the (potentially) stale local cache.
babolivier
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Feb 12, 2020
Synapse 1.10.0 (2020-02-12) =========================== **WARNING to client developers**: As of this release Synapse validates `client_secret` parameters in the Client-Server API as per the spec. See [\#6766](#6766) for details. Updates to the Docker image --------------------------- - Update the docker images to Alpine Linux 3.11. ([\#6897](#6897)) Synapse 1.10.0rc5 (2020-02-11) ============================== Bugfixes -------- - Fix the filtering introduced in 1.10.0rc3 to also apply to the state blocks returned by `/sync`. ([\#6884](#6884)) Synapse 1.10.0rc4 (2020-02-11) ============================== This release candidate was built incorrectly and is superceded by 1.10.0rc5. Synapse 1.10.0rc3 (2020-02-10) ============================== Features -------- - Filter out `m.room.aliases` from the CS API to mitigate abuse while a better solution is specced. ([\#6878](#6878)) Internal Changes ---------------- - Fix continuous integration failures with old versions of `pip`, which were introduced by a release of the `zipp` library. ([\#6880](#6880)) Synapse 1.10.0rc2 (2020-02-06) ============================== Bugfixes -------- - Fix an issue with cross-signing where device signatures were not sent to remote servers. ([\#6844](#6844)) - Fix to the unknown remote device detection which was introduced in 1.10.rc1. ([\#6848](#6848)) Internal Changes ---------------- - Detect unexpected sender keys on remote encrypted events and resync device lists. ([\#6850](#6850)) Synapse 1.10.0rc1 (2020-01-31) ============================== Features -------- - Add experimental support for updated authorization rules for aliases events, from [MSC2260](matrix-org/matrix-spec-proposals#2260). ([\#6787](#6787), [\#6790](#6790), [\#6794](#6794)) Bugfixes -------- - Warn if postgres database has a non-C locale, as that can cause issues when upgrading locales (e.g. due to upgrading OS). ([\#6734](#6734)) - Minor fixes to `PUT /_synapse/admin/v2/users` admin api. ([\#6761](#6761)) - Validate `client_secret` parameter using the regex provided by the Client-Server API, temporarily allowing `:` characters for older clients. The `:` character will be removed in a future release. ([\#6767](#6767)) - Fix persisting redaction events that have been redacted (or otherwise don't have a redacts key). ([\#6771](#6771)) - Fix outbound federation request metrics. ([\#6795](#6795)) - Fix bug where querying a remote user's device keys that weren't cached resulted in only returning a single device. ([\#6796](#6796)) - Fix race in federation sender worker that delayed sending of device updates. ([\#6799](#6799), [\#6800](#6800)) - Fix bug where Synapse didn't invalidate cache of remote users' devices when Synapse left a room. ([\#6801](#6801)) - Fix waking up other workers when remote server is detected to have come back online. ([\#6811](#6811)) Improved Documentation ---------------------- - Clarify documentation related to `user_dir` and `federation_reader` workers. ([\#6775](#6775)) Internal Changes ---------------- - Record room versions in the `rooms` table. ([\#6729](#6729), [\#6788](#6788), [\#6810](#6810)) - Propagate cache invalidates from workers to other workers. ([\#6748](#6748)) - Remove some unnecessary admin handler abstraction methods. ([\#6751](#6751)) - Add some debugging for media storage providers. ([\#6757](#6757)) - Detect unknown remote devices and mark cache as stale. ([\#6776](#6776), [\#6819](#6819)) - Attempt to resync remote users' devices when detected as stale. ([\#6786](#6786)) - Delete current state from the database when server leaves a room. ([\#6792](#6792)) - When a client asks for a remote user's device keys check if the local cache for that user has been marked as potentially stale. ([\#6797](#6797)) - Add background update to clean out left rooms from current state. ([\#6802](#6802), [\#6816](#6816)) - Refactoring work in preparation for changing the event redaction algorithm. ([\#6803](#6803), [\#6805](#6805), [\#6806](#6806), [\#6807](#6807), [\#6820](#6820))
babolivier
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Sep 1, 2021
* commit 'c80a9fe13': When a client asks for remote keys check if should resync. (#6797)
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If we have detected that the remote users' keys may have changed then we should attempt to resync against the remote server rather than using the (potentially) stale local cache.