synapse/changelog.d/16932.bugfix at 05957ac70f5d634eafbea61bd79a9a89196507c2 - mirrors/synapse - Code den of a Norwegian 🐻

mirrors/synapse

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Richard van der Hoff 05957ac70f

Fix bug in /sync response for archived rooms (#16932 )

This PR fixes a very, very niche edge-case, but I've got some more work
coming which will otherwise make the problem worse.

The bug happens when the syncing user leaves a room, and has a sync
filter which includes "left" rooms, but sets the timeline limit to 0. In
that case, the state returned in the `state` section is calculated
incorrectly.

The fix is to pass a token corresponding to the point that the user
leaves the room through to `compute_state_delta`.

2024-04-04 12:47:59 +01:00

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Fix a long-standing bug which could cause incorrect state to be returned from `/sync` for rooms where the user has left.