Firefox Beta and Developer Edition
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.
Firefox Beta — English (US)
Your system may not meet the requirements for Firefox, but you can try one of these versions:
Firefox Beta — English (US)
Firefox Beta is no longer supported on Windows 8.1 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.
Firefox Beta is no longer supported on macOS 10.14 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.
- Download Firefox Beta
- Download Firefox Beta
- Download Firefox Beta
- Download Firefox Beta
- Download Firefox Beta
- Download Firefox Beta
- Download for Linux 64-bit
- Firefox Beta
- Download for Linux 32-bit
New
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On Windows, updates can now be applied in the background while Firefox is not running.
Developer
Get the most recent version
Firefox Beta — English (US)
Your system may not meet the requirements for Firefox, but you can try one of these versions:
Firefox Beta — English (US)
Firefox Beta is no longer supported on Windows 8.1 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.
Firefox Beta is no longer supported on macOS 10.14 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.
- Download Firefox Beta
- Download Firefox Beta
- Download Firefox Beta
- Download Firefox Beta
- Download Firefox Beta
- Download Firefox Beta
- Download for Linux 64-bit
- Firefox Beta
- Download for Linux 32-bit