Zen Browser Release Notes

Last updated: Feb 21, 2026

  • Feb 21, 2026
    • Date parsed from source:
      Feb 21, 2026
    • First seen by Releasebot:
      Feb 21, 2026
    Zen Browser logo

    Zen Browser

    v1.18.10b

    If you encounter any issues, please report them on the issues page.

    Fixed

    Stability and performance improvements related to window sync and session restore.

    Added

    • Improved greatly the performance for Linux users by removing bottom window rounded corners, which will be added once the core issue has been resolved upstream. To enable them back, turn 'widget.gtk.rounded-bottom-corners.enabled' to true in about:config.
    • Added more automatic recovery options when updating or restarting zen, to prevent tab loss.
    • Fixed some tabs becoming 'New Tabs' after focusing them from different windows
    Original source Report a problem
  • Feb 16, 2026
    • Date parsed from source:
      Feb 16, 2026
    • First seen by Releasebot:
      Feb 20, 2026
    Zen Browser logo

    Zen Browser

    v1.18.9b

    Security

    Various security fixes.

    Fixed

    Stability and performance improvements related to window sync and session restore.

    Added

    Updated to Firefox 147.0.4

    Added

    Appimage .desktop file now includes 'X-AppImage-Version' metadata for better integration with application launchers and system tools.

    Added

    Linux desktop files will now include an option to open a new blank window from the taskbar

    Original source Report a problem
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  • Feb 16, 2026
    • Date parsed from source:
      Feb 16, 2026
    • First seen by Releasebot:
      Feb 16, 2026
    • Modified by Releasebot:
      Feb 20, 2026
    Zen Browser logo

    Zen Browser

    v1.18.8b

    Fixed

    • Fixed
    • Fixed back / forward buttons changing the page's history instead of switching spaces
    • Fixed
    • Fixed drag and dropping tabs from multiple windows with different spaces acting weirdly
    • Fixed
    • Other minor bug fixes and improvements
    Original source Report a problem
  • Feb 14, 2026
    • Date parsed from source:
      Feb 14, 2026
    • First seen by Releasebot:
      Feb 15, 2026
    • Modified by Releasebot:
      Feb 16, 2026
    Zen Browser logo

    Zen Browser

    v1.18.7b

    Fixed

    Fixed accessibility issues with the workspace switcher and other buttons

    Fixed

    Other session restore fixes and improvements

    Original source Report a problem
  • Feb 12, 2026
    • Date parsed from source:
      Feb 12, 2026
    • First seen by Releasebot:
      Feb 13, 2026
    • Modified by Releasebot:
      Feb 15, 2026
    Zen Browser logo

    Zen Browser

    v1.18.6b

    Zen now restores unpinned tabs after a crash even when resume is disabled and fixes Mozilla bookmark syncing. It adds Linux XDG config support, improved tab dragging to split panes, faster inline URL search results, and a blank window option.

    Fixed

    • Zen will now restore unpinned tabs after a crash, even if the 'Restore previous session' setting is disabled.
    • Fixed syncing bookmarks with your Mozilla account not working correctly.
    • Other quality of life improvements and bug fixes.

    Added

    • Zen will now follow the XDG Base Directory Specification for storing its configuration and data files. This means that on Linux, configuration files will be stored in ~/.config/zen. Note that compatibility with the old configuration directory (~/.zen) will be enabled if the directory exists.
    • Dragging a tab to the center of the window to create a split will now give the option to split on top or below.
    • When typing directly an url or domain, a second search result will appear with the option to search for the url or domain on your selected search engine.
    • Added a '--blank-window' command line argument to open a blank window without pinned tabs, spaces, etc.
    Original source Report a problem
  • Feb 5, 2026
    • Date parsed from source:
      Feb 5, 2026
    • First seen by Releasebot:
      Feb 6, 2026
    • Modified by Releasebot:
      Feb 13, 2026
    Zen Browser logo

    Zen Browser

    v1.18.5b

    New option lets you sync only pinned tabs across windows in a workspace, configurable in Tab Management. Dragging tabs to blank windows is fixed, and Windows UI garbling with lots of fonts is resolved. Includes Firefox 147.0.3 update.

    This update includes a new setting to allow users who didn't like the window sync feature but still want to sync their pinned tabs across windows in a workspace to do so. Make sure window sync is enabled in about:config for this feature to work.

    Fixed

    • Fixed an issue when drag and dropping tabs from normal windows to blank windows
    • Fixed an issue on Windows systems with a large number of fonts installed where parts of the UI (tabs, menus, and Settings) could display garbled characters or symbols instead of readable text.

    Added

    • Added 'Sync only pinned tabs in workspaces' option to the 'Tab Management' settings so that only pinned tabs will be synced across windows in a workspace. This is useful for users who want to keep their pinned tabs consistent across windows while allowing unpinned tabs to be different in each window.
    • Added

    Updated to Firefox 147.0.3

    Original source Report a problem
  • Feb 4, 2026
    • Date parsed from source:
      Feb 4, 2026
    • First seen by Releasebot:
      Feb 4, 2026
    • Modified by Releasebot:
      Feb 6, 2026
    Zen Browser logo

    Zen Browser

    v1.18.4b

    Fixed

    • Fixed drag and dropping into split views not working as expected.

    Fixed

    • Fixed

    Fixed

    • Fixed

    Oops, I realize the above introduces repeated "Fixed" lines as separate sections. To strictly preserve the original text without paraphrasing and keep readability, I'll present each item as its own section without splitting oddly. Here is a corrected version:

    Fixed

    • Fixed drag and dropping into split views not working as expected.

    Fixed

    • Resolved an issue where drag and dropping tabs into different windows would sometimes fail.

    Fixed

    • Other small quality of life improvements and bug fixes.
    Original source Report a problem
  • Jan 28, 2026
    • Date parsed from source:
      Jan 28, 2026
    • First seen by Releasebot:
      Jan 29, 2026
    • Modified by Releasebot:
      Feb 4, 2026
    Zen Browser logo

    Zen Browser

    v1.18.3b

    Fixed

    • Fixed
    • Fixed auto-focusing on inputs not working for popup windows, such as Bitwarden's login prompt.
    • Fixed
    • Fixed not being able to drag and drop tabs between different windows if WS is disabled.
    • Fixed
    • Added extra migration backup checks to prevent possible data loss during migration.
    Original source Report a problem
  • Jan 28, 2026
    • Date parsed from source:
      Jan 28, 2026
    • First seen by Releasebot:
      Jan 29, 2026
    Zen Browser logo

    Zen Browser

    v1.18.2b

    Security

    Various security fixes.

    Fixed

    • Fixed blank windows when opening Zen for the first time or new windows on some occasions.
    • Fixed an issue where essentials would disappear intermittently.
    • Fixed pinned tabs not restoring to their base URL at startup.
    • Other minor bug fixes and stability improvements related to window sync and its respective migration system.

    Added

    • Updated to Firefox 147.0.2
    • Added 'close to the most recently used tab' option to the tab management settings.
    Original source Report a problem
  • Jan 24, 2026
    • Date parsed from source:
      Jan 24, 2026
    • First seen by Releasebot:
      Jan 25, 2026
    • Modified by Releasebot:
      Jan 29, 2026
    Zen Browser logo

    Zen Browser

    v1.18.1b

    Fixed

    Fixed an issue with new profiles not properly migrating the session files

    Change

    Changed the default keyboard shortcut for a new blank window to cmd+shift+N (for mac), ctrl+shift+N (for linux/windows)

    Original source Report a problem

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