8.9.0 LTS

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Rocket.Chat·Oct 5, 2026, 05:41 PMDeprecationMay break your integrationAI-assisted summary

Summary

LTS 8.9.0 adds security hotfixes (Omnichannel endpoints, 2FA retry) and backports critical fixes for the 12‑month support window.
New REST APIs (rooms.history, chat.getMessages, autotranslate.getProviderUiMetadata, etc.) replace deprecated Realtime methods; Deno runtime removed and apps now run on Node.js 24.15.0.
Feature previews include custom sidebar categories, realtime message composer, AI Search hybrid/semantic mode, media call lifecycle events, and configurable room toolbox layout; deprecates Custom OAuth, Gravatar integration, and several ...

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