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.

154.0.1 Firefox Release

Version 154.0.1, first offered to Release channel users on August 25, 2026

Fixed slower access to saved passwords and unexpected Primary Password prompts caused by recent changes to password storage. (Bug 2064411, Bug 2065593, Bug 2063993)
Fixed an issue where addresses were failing to autofill on some sites. (Bug 2065145, Bug 2063599)
Fixed Firefox adding a new Start Menu shortcut on Windows every time it started. (Bug 2064652)
Fixed an issue where connections to local network devices were failing without a permission prompt on some sites loaded over HTTP. (Bug 2059274)
Fixed a crash that could occur when opening intranet sites that are configured to link to files on a local network share. (Bug 2064648)
Fixed an issue on Windows where tab titles were cut off at the start when the system font was MS UI Gothic. (Bug 2056856)

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.