Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Privacy Notice

Firefox for iOS
Release Notes

Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

4.0 Firefox for iOS Release

May 10, 2016

Version 4.0, first offered to Release channel users on May 10, 2016

New

  • Sync on exit

  • Today widget to Open Tab (currently supported on iOS 9 only)

  • Overwrite certificate errors

  • Support printing in Firefox for iOS

  • Include bookmarks in Awesomebar results and domain autocompletion

  • Implement Telemetry Core Ping

  • Songhay (locale code: ses) added

Get the most recent version