Session Folders let you organize sessions into named groups in the sidebar with drag-and-drop or menu controls, with each user maintaining their own layout. Start Devin Ultra sessions directly from Slack using !ultra, and switch between Ultra and Fast modes mid-session with !ultra or !fast commands. Marketplace MCP servers requiring organization-specific OAuth credentials can now be configured from the integrations page. Markdown files created during sessions now display a preview toggle in the worklog, showing formatted output alongside raw content.