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CHANGELOG
August 27, 2026

Cosmos Week 35 Release Notes

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Improvements

  • Teammates joining an existing workspace get a shorter onboarding that focuses on connecting their own accounts.
  • 28 more vendor-hosted MCP servers are available, including Mixpanel, Pendo, BugSnag, Swagger, and Zephyr.
  • Retired models no longer appear in model pickers, and Experts using a retired model switch to its replacement automatically.
  • Cloud sessions start and resume faster.
  • The Expert integrations picker shows a Connect button for Jira and Confluence when they aren't connected.
  • File comments now open in a panel on the right.
  • "Back to app" is now at the top of the Settings sidebar.

Bug fixes

  • Resumed conversations keep their extended reasoning instead of losing it.
  • Sent messages no longer stay stuck in the queue.
  • File attachment details no longer appear inside your messages while they stream.
  • Diffs now load for sessions that don't clone a repository.
  • MCP reconnects now save correctly.
  • Workers started by an Expert stay in the same Space and use the model the Expert specifies.
  • Built-in Expert templates now scope Bitbucket triggers to the intended events; reapply existing Bitbucket Experts to stop unwanted sessions.
  • Onboarding no longer shows a blank page after checkout.
  • EU links no longer get stuck in a redirect loop.
  • GitHub links on iOS no longer open an empty browser tab.