Unofficial reconstructed notes, not a Cursor changelog. Some surfaces in a desktop build are gated and may not be live yet.
v3.17.19
stablePublished Aug 24, 2026
✦NEW7⛨SECURITY1
Changelog
Features
- Composer slash menu now opens from the plus button with a list, tooltip, and command providers.
- Agent store now persists artifacts into an agent store and a parent store, with a store inspector.
- Glass chat now can pin messages, preview PDFs, and stop a human turn from the transcript.
- Background composer now streams live updates and can cancel an in-flight tool call.
- Agent transcript now shows MCP auth, subscription events, and a switch-mode card.
- Environment picker now lets you choose where an agent run is hosted.
- Model nudge now can remind you about classic vs current model routing.
Notes
- Feature gates still hide some of these surfaces; they shipped in the 3.17.19 desktop build but may not be live yet.