Install Firefox 50.0 Released with HTML5 on Ubuntu 16.10

   Firefox 50.0 Released, with updated keyboard shortcuts, Added download protection for a large number of executable file types, other new features, various security fixes and more.

Firefox 49 Changelog : 

• New
• Playback video on more sites without plugins with WebM EME Support for Widevine on Windows and Mac
• Improved performance for SDK extensions or extensions using the SDK module loader
• Added download protection for a large number of executable file types on Windows, Mac and Linux
• Increased availability of WebGL to more than 98 percent of users on Windows 7 and newer
• Added Guarani (gn) locale
• Added option to Find in page that allows users to limit search to whole words only
• Updates to keyboard shortcuts
• Set a preference to have Ctrl+Tab cycle through tabs in recently used order
• View a page in Reader Mode by using Ctrl+Alt+R (command+alt+r on Mac)

• Fixed
• Fixed rendering of dashed and dotted borders with rounded corners (border-radius)

• Changed
• Added a built-in Emoji set for operating systems without native Emoji fonts (Windows 8.0 and lower and 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.