Firefox Beta
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 Beta

March 8, 2016

Version 46.0beta, first offered to Beta channel users on March 8, 2016


  • Improved security of the JavaScript Just In Time (JIT) Compiler

  • GTK3 integration (GNU/Linux only)

  • Use Content Decryption Module as a fallback to decode unencrypted H.264 and AAC media where available


  • WebRTC fixes to improve performance and stability


Web Platform

All Firefox Beta downloads