Firefox Beta
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.
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Download Firefox — English (US)
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Download Firefox — English (US)
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Your system doesn't meet the requirements to run Firefox.
Please follow these instructions to install 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.
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)
Your system doesn't meet the requirements to run Firefox.
Your system doesn't meet the requirements to run Firefox.
Please follow these instructions to install Firefox.
August 3, 2016
Updated Firefox Login Manager to allow HTTPS pages to use saved HTTP logins. It’s one more way Firefox is supporting Let’s Encrypt and helping users transition to a more secure web.
Added features to Reader Mode that make it easier on the eyes and the ears
Improved video performance for users on systems that support SSSE3 without hardware acceleration
HTML5 audio and video improvements
Enhancements for Mac users
Reader Mode can now read articles out loud
Improved appearance of anti-aliased OS X fonts
Support of Widevine CDM through the EME API under GNU/Linux
Fixed an issue that prevented users from updating Firefox for Mac unless they originally installed Firefox. Now, those users as well as any user with administrative credentials can update Firefox.
Ended Firefox for Mac support for OS X 10.6, 10.7, and 10.8.
Ended Firefox for Windows support for SSE processors
Removed Firefox Hello
Re-enabled the default for Graphite2 font shaping
Block some nonessential Flash plugin content
Added a Cause column to the Network Monitor to show what caused each network request
Introduced web speech synthesis API
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)
Your system doesn't meet the requirements to run Firefox.
Your system doesn't meet the requirements to run Firefox.
Please follow these instructions to install Firefox.