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.

51.0beta Firefox Beta

November 16, 2016

Version 51.0beta, first offered to Beta channel users on November 16, 2016

New

  • Added support for FLAC (Free Lossless Audio Codec) playback

  • Users can view passwords in the save password prompt before saving them

  • Added a zoom button in the URL bar:

    • Displays percent above or below 100 percent when a user has changed the page zoom setting from the default
    • Lets users return to the default setting by clicking on the button

  • Improved video performance for users without GPU acceleration for less CPU usage and a better full screen experience

  • Firefox will save passwords even in forms that do not have “submit” events

  • Added support for WebGL 2, with advanced graphics rendering features like transform feedback, improved texturing capabilities, and a new sophisticated shading language

  • A warning is displayed when a login page does not have a secure connection

  • Added Georgian (ka) and Kabyle (kab) locales

  • Remove Belarusian (be) locale

Changed

  • Use 2D graphics library (Skia) for content rendering on Linux

Developer

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