Firefox 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 Release

February 8, 2016

Version 44.0.1, first offered to Release channel users on February 8, 2016

We'd also like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox!


  • Fix issue which could lead to the removal of stored passwords under certain circumstances (1242176)

  • Allows spaces in cookie names (1244505)

  • Require NSS 3.21 (1244069)

  • Fix a crash in cache networking (1244076)

  • Fix using WebSockets in service worker controlled pages (1243942)

  • Disable opus/vorbis audio with H.264 (1245696)

  • Ship the Gecko SDK (1243740)

  • Fix for graphics startup crash (GNU/Linux) (1222171)

All Firefox downloads