Firefox 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)

Version 85.0.1, first offered to Release channel users on February 5, 2021

Security fix
Prevent access to NTFS special paths that could lead to filesystem corruption.
Fixed a crash when authenticating to websites using SPNEGO on macOS devices with Apple Silicon CPUs (bug 1685427).
Avoid printing an extra blank page at the end of some documents (bug 1689789).
Fixed a browser crash in case of unexpected Cache API state (bug 1684838).
Fixed external URL scheme handlers when using the Firefox flatpak (bug 1688966)

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)