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.

57.0.1

Firefox Release

November 29, 2017

Version 57.0.1, first offered to Release channel users on November 29, 2017

Brace yourself for an all-new Firefox. It’s fast. Really fast. It’s over twice as fast as Firefox from 6 months ago, built on a completely overhauled core engine with brand new technology from our advanced research group, and graced with a clean, modern interface. Today is the first of several releases we’re calling Firefox Quantum, all designed to get to the things you love and the stuff you need faster than ever before. Experience the difference on desktops running Windows, macOS, and Linux; on Android, speed improvements are landing as well, and both Android and iOS have a new look and feel. To learn more about Firefox Quantum, visit the Mozilla Blog.

Making Firefox look, feel and perform faster was no small feat. Employees and volunteers from around the world worked in record time to create the best Firefox yet. We'd like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox!

Fixed

  • Fix a video color distortion issue on YouTube and other video sites with some AMD devices (bug 1417442)

  • Fix an issue with prefs.js when the profile path has non-ascii characters (bug 1420427)

  • Various security fixes

  • Google map crashes on OSX with Intel HD Graphics 3000

Changed

  • Block injection of a client library associated with the RealPlayer Free player which is known to cause performance problems in Firefox. (Bug 1418535)