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.

Firefox for iOS Release

May 10, 2016

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


  • 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

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