platform
https://github.com/mattermost/platform
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- Issues
- Fix broken PDF content extraction in distroless Docker images
- fix(api): return 400 when duplicating userIDs in addGroupMembers
- Fix negative channel member counts caused by Redis DECRBY on cold cache
- Fix collapsed-threads GetPostsSince dropping recently-edited posts (follow-up to #38498)
- Fix GetPostsSince returning empty results for recent `since` queries (LIMIT without ORDER BY)
- [Feature request] Inline math expression autocomplete suggestion
- Developer setup docs update 09 2026
- Translation pipeline with guardrails for daily runs
- Allow users to send individual posts without triggering notifications
- Feature request: display three reaction suggestions in the `sidebar-right`
- Docs
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