v2026.9.18.0 v1.15.3
windmill-labs/windmillSep 18, 2026 → Sep 18, 20260 days between releases
What's New
New release fixes WEB proxy issues, improves relay memory handling, and introduces custom site serving configuration.
Breaking Changes
- WEB-only mode now requires a real MTProto response before activation
- Custom site serving now requires configuration of [web].public_dir
New Features
- Added short-lived carrier tokens for connection security
- Implemented stricter validation for the browser bridge
- Added support for serving a custom public site via [web].public_dir
Improvements
- Improved relay memory accounting and WebView queue management
- Enhanced handling of closed streams and IP forwarding
- Fixed deployment mode switching logic
Bug Fixes
- Fixed relay memory accounting issues
- Resolved WebView queue handling problems
- Fixed closed-stream processing errors
- Corrected deployment mode switching and IP forwarding
Upgrade Notes
To serve a custom public site, configure the [web].public_dir setting. Existing WEB links remain valid, but the activation requirement for WEB-only mode has changed. Ensure Python 3 is available if you intend to use the WEB-only pre-activation check.
The Two Releases
v2026.9.18.0
Sep 18, 2026· 1 month ago
This release focuses on UI/UX refinements, agent enhancements including Claude Cloud support, and fixes for cursor sessions and various application views like Drive, Email, and Calendar.
Full release notesv1.15.3
Sep 18, 2026· 1 month ago
Fixes WEB proxy stability and protocol compliance issues.
Full release notes