Updates 2/24/26 - Firefox

New

• Added an AI Controls section to Settings for managing AI-enhanced features. Learn more.

  

• Firefox now has improved support for screen readers accessing mathematical formulas embedded in PDFs.

• Remote improvements are now decoupled from telemetry requirements in Firefox Settings. You can now opt into receiving remote browser changes even if you have opted out of sharing telemetry or participating in our experimental studies.

• Firefox Backup is now available on Windows 10 to users who also use the “Clear history when Firefox closes” capability. Backups will not include any data which is set to be cleared when Firefox is closed.

• The following languages are now available for translation:

  • Translation into and from Traditional Chinese.
  • Translation into Vietnamese.

• New Tab wallpapers will now appear on new container tabs as well as new default tabs.

Fixed

• Fixed an issue where a language pack could become disabled after a major update, causing Firefox to display in the wrong language.

• On Windows, dragging a downloaded image to Adobe Illustrator now correctly inserts the image instead of its URL.

• Various security fixes.