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.

Download Firefox — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Download Firefox — English (US)

Firefox Privacy Notice

Version 78.0.2esr, first offered to ESR channel users on July 9, 2020

Security fix
Fixed an accessibility regression in reader mode (bug 1650922)
Made the address bar more resilient to data corruption in the user profile (bug 1649981)
Fixed a regression opening certain external applications (bug 1650162)

Developer Information

Reference link to 78.0.1esr release notes

Get the most recent version

Download Firefox — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Download Firefox — English (US)

Firefox Privacy Notice

All Firefox ESR downloads