1.21.7b
Release build - 1.21.7b (2026-07-15)
Changed 1
- Update to Firefox 152.0.6
Fixed 5
- Fixed essentials promo UI leaving gap on pressing Esc
- Fixed misaligned symbolic space icons in Space options menu on Linux
- Fixed Spaces switching when dragging tab to another monitor
- Fixed tab order flipping when moving tabs between workspaces
- Fixed a hang that could occur after using a file picker dialog on macOS 26
Security 1
- Address security advisory MFSA2026-67
Zen Stable Release
Security
New Features
- Updated to Firefox 152.0.6
Fixes
- Fixed essentials promo UI leaving gap on pressing Esc (#14544)
- Fixed misaligned symbolic space icons in Space options menu on Linux (#14495)
- Fixed Spaces switching when dragging tab to another monitor (#14511)
- Fixed tab order flipping when moving tabs between workspaces (#14495)
- Fixed a hang that could occur after using a file picker dialog on macOS 26
- Other bug fixes and improvements.