matrix-org / matrix-org/matrix-bifrost
Wrong membership sent to XMPP joiners when using pre-cached member list
Open
Nobody has claimed this yet.
S-Critical
T-Defect
- Dominant language
- TypeScript
- Stars
- 187
- Forks
- 38
- PR merge metrics
- No merged PRs in 30d
Description
This is serious and wrong. A quick fix was to refresh the cache on each join, but we shouldn't need to!
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing the XMPP join flow and how the pre-cached member list is read when a joiner connects. Reproduce the incorrect membership, compare it with the refresh-on-each-join workaround, and verify that joins use current membership without requiring a full cache refresh.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100