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.

150.0.1 Firefox Release

Version 150.0.1, first offered to Release channel users on April 28, 2026

Fixed an issue where Facebook and other websites might not load properly for users with Bitdefender security software installed. (Bug 2034178)
Fixed an issue where denying a geolocation permission prompt could cause Firefox to show the system permission dialog again on a second attempt. (Bug 2034120)
Fixed an issue that prevented tabs from being added to some older saved tab groups. (Bug 2031961)
Fixed a layout issue where some drop-down menus expanded to display all list items at once. (Bug 2033117)
Fixed an issue where borders and outlines on some page elements disappeared when pinch zooming or smart zooming on macOS and Windows. (Bug 2030043)
Various security fixes.

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.