Launches Firefox 91.0.1 for desktop with Mozilla bug fixes



During the week, Mozilla released another unplanned update to version 91.0.1 for the Firefox browser for Windows, MacOS, and Linux. Firefox 91.0.1 ESR was released at the same time. The new version includes security enhancements and bug fixes: Update The security vulnerability on older versions of Firefox will be closed. Details on the closed security vulnerability can be found here here. Users who installed an older version of Firefox will automatically receive an update. You can download the update here Help -> via Firefox -> Update to version 91.0.1 Can also be loaded manually. You can find more information about this update below or in Mozilla.

Download -> Download Firefox 91.0.1 for Windows, MacOS and Linux

Firefox version 91.0.1 for desktop is now available for download from Mozilla:

Download Firefox version 91.0.1 for Windows, MacOS and Linux:

Firefox version 91.0.1 includes the following new features and improvements:

Bug fixes

  • Fixed an issue with resizing buttons in the tab bar when loading some websites (error 1704404).
  • Fixed an issue where private window tabs were visible in non-private windows when viewing tape failover results in the address bar (error 1720369).
  • Various stability fixes.
  • Security fix.

Frequently Asked Questions After Updating Firefox

Mozilla Foundation developers are making Firefox for Windows, MacOS, and Linux available in multiple languages. Note that installing Firefox will overwrite the existing version of Firefox. Your bookmarks or column will not be lost. However, some extensions and other add-ons will no longer work until the appropriate updates or updates are available.

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