Firefox ESR
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 ESR

September 23, 2014

Version 31.1.1, first offered to ESR channel users on September 23, 2014


  • 31.1.1: New security fixes can be found here

  • Security fixes can be found here

Get the most recent version

All Firefox ESR downloads