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

February 24, 2015

Version 31.5.0, first offered to ESR channel users on February 24, 2015
  • Security fixes can be found here

Get the most recent version

All Firefox ESR downloads