Releases: zen-browser/desktop
Releases · zen-browser/desktop
Release list
Release build - 1.21.15b (2026-08-18)
Zen Stable Release
Security
New Features
- Update Firefox version to 154.0
- Local Zen profile backups are now available on macOS in addition to Windows and Linux, and backups can be restored across all three platforms.
- Sites can now be exempted from having their cookies and site data cleared on shutdown without also being exempted from tracking protection and other cookie restrictions.
- The full-page Translations feature now translates <iframe> content.
- The full-page Translations feature now runs language identification on all page loads, resulting in an improved experience for offering translations to users.
- Performing a hard reload on a page (holding Shift while clicking the Refresh button) now also clears and updates its cached favicons.
Fixes
- Improved battery life on MacOS when using vibrancy effects
- Improved performance of session restore, having spikes of CPU usage every time the session is stored into disk (#14990)
- Fix multiple glance tabs when joining tabs (#14975)
- Improved rendering performance on MacOS and memory leaks when using WebRTC (#9649)
- Fixed an issue on macOS where closing a browser window could leave behind an invisible window that continued to capture mouse clicks over the area where it used to be.
- Fixed an issue on Windows where an auto-hiding taskbar would not appear until the Zen window had been minimized and restored after launch.
- Fixed an issue where the Windows taskbar would appear in front of a full screen Picture-in-Picture window.
- Fixed PDF documents not being scaled correctly in print preview when the Fit to Page Width option is used.
- Other bug fixes and improvements.
Known Issues
- Following recent changes to Zen's password storage, some users may experience slower performance when Zen accesses saved passwords. Users with a Primary Password enabled may also see unexpected password prompts, such as when starting Zen or opening certain content.
Release build - 1.21.14b (2026-08-11)
Release build - 1.21.13b (2026-08-09)
Zen Stable Release
Fixes
- Fixed infinite media players appearing infinitely in the sidebar when a page has multiple media players.
- Other bug fixes and improvements.
Release build - 1.21.12b (2026-08-07)
Zen Stable Release
Fixes
- Fixed selecting text at the top of a page making the window drag instead of selecting text.
- Other bug fixes and improvements.
Release build - 1.21.11b (2026-08-06)
Zen Stable Release
New Features
- Updated Firefox to 153.0.3
- You can now filter draft GitHub pull requests in live folders.
- Compact mode now tracks your mouse even after it leaves the window, the sidebar stays open while your cursor lingers near the window's edge and only tucks away once you move further out. This only changed for Windows and MacOS, Linux is still the same as before.
- You can now move the window by dragging empty space in the top part of a webpage, with native snapping and tiling, just like dragging the titlebar. Links, buttons, and other interactive elements still work as usual.
- You can now have multiple media controls in the sidebar, allowing you to control multiple media sources at once.
- Improved startup performance and feeling
Fixes
Release build - 1.21.10b (2026-07-29)
Zen Stable Release
New Features
- Updated Firefox to 153.0.1
Fixes
- Various performance fixes, RTX Super Resolution not working, and HDR video playback not working on Windows (#14292)
- Fixed extra divider when urlbar has no results (#14717)
- Fix boost applying wrong size override (#14461)
- Fixed crashes/hangs when creating new spaces (#14713)
- Fixed non-tab drags allowing to switch Spaces (#14724)
- Fixed essential tab reordering not working at maximum capacity (#14726)
- Fixed compact sidebar activation at right screen edge (#14409)
- Other bug fixes and improvements.
Release build - 1.21.9b (2026-07-25)
Zen Stable Release
Security
New Features
- Updated Firefox to 153.0
- High Dynamic Range (HDR) video playback is now available on Windows - this feature needs HDR mode enabled for the display in Windows Settings - Display.
- Improved UI for container selection and management
- It is now possible to merge multiple PDFs by dragging a PDF into the PDF sidebar.
- Added support for Apple's system-wide full-screen keyboard command (Globe-F).
- Zen now verifies and displays Qualified Website Authentication Certificates (QWACs) in accordance with eIDAS regulations.
- Added improved support for videos with overlays so users can more easily access video actions from context menus.
Fixes
Release build - 1.21.8b (2026-07-16)
Zen Stable Release
Fixes
Release build - 1.21.7b (2026-07-15)
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.