Install Firefox 51 Released with FLAC, WebGL 2 Support on Ubuntu

Mozilla Firefox web browser has reached the 51 stable release today, features FLAC playback, WebGL 2, video performance improvements, security fixes and other enhancements.

Firefox 51 Changelog : 
New

•     Added support for FLAC (Free Lossless Audio Codec) playback
•     Improved reliability of browser data sync
•     An even faster E10s! Tab Switching is better!
•     Added Georgian (ka) and Kabyle (kab) locales
•     A warning is displayed when a login page does not have a secure connection
•     Added support for WebGL 2, with advanced graphics rendering features like transform feedback, improved texturing capabilities, and a new sophisticated shading language
•     Firefox will save passwords even in forms that do not have “submit” events
•     Improved video performance for users without GPU acceleration for less CPU usage and a better full screen experience
•     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
•     Users can view passwords in the save password prompt before saving them
•     Remove Belarusian (be) locale

Fixed

•     Various security fixes

Changed

•     Updated to NSS 3.28.1
•     Re-enabled E10s support for Russian (ru) locale
•     Use 2D graphics library (Skia) for content rendering on Linux

Installation instructions:

    Add the PPA to your system, update the local repository index and install the Firefox package:

$ sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa $ sudo apt-get update $ sudo apt-get install firefox

    Optional, to remove Firefox, do:

$ sudo apt-get remove firefox

To check your Firefox version on Ubuntu, go to Help > About Firefox.