Firefox Release

December 28, 2015

Version 43.0.3, first offered to Release channel users on December 28, 2015

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


  • On some Windows configurations, improve the decoding of some videos on YouTube (1233970)

  • Fix network issue when using Nvidia's Network Access Manager (1233237)

All Firefox downloads