See what’s new in Firefox!

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 complete list of changes in 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)

  • Fix WebSockets when used in a Service Worker context (1243942)

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

  • Require NSS 3.21 (1244069)

  • Ship the Gecko SDK (1243740)

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

  • Fix a crash in cache networking (1244076)