See what’s new in Firefox!

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 is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

156.0.1 Firefox Release

Version 156.0.1, first offered to Release channel users on September 22, 2026

Fixed the NVDA screen reader not announcing address bar buttons when the mouse pointer moves over them. (Bug 2069276)
Fixed elements inside a link not showing their CSS :active styles while being clicked. (Bug 2067272)
Fixed Firefox becoming unresponsive on some pages that use CSS anchor positioning. (Bug 2070171)
Fixed Firefox windows on macOS 27 immediately returning to maximized after being restored by double-clicking the title bar. (Bug 2066632)
Fixed Firefox leaking system handles on Windows as content processes were started and stopped. (Bug 2069644)

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 is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.