New

Firefox now automatically shows the on-screen touch keyboard on Windows 8 and higher

New

Improved API support for m4v video playback 1

New

Search suggestions can be displayed in the Awesome Bar

New

WebRTC streaming on multiple monitors

New

Improved Big5 support for Hong Kong supplementary characters on Windows XP

New

GTK3 integration (GNU/Linux only)

New

User selectable second block list for Private Browsing's Tracking Protection

Developer

Bind F1 key to open the settings when the toolbox is focused

Developer

New 'Use in Console' context menu item in Inspector to store selected element in a temporary variable

Developer

Search button next to overridden CSS properties to find similar properties in the rules view

Developer

Ability to filter styles from their property names in the rules view

Developer

Stack traces are now shown for exceptions inside the console

Developer

Added ability to display server-side logs in the console

Developer

Ability to choose resolution for the GCLI screenshot command

Developer

Subresource integrity allows developers to make their sites more secure

Developer

Network requests in Console now link to Network panel instead of opening in a popup

Developer

Unprefixed 'hyphens' property is now supported

Developer

WebIDE now has a sidebar-based UI

Developer

The 'transform-origin' property is now supported on SVG elements

Developer

Animation inspector now displays animations in a timeline

Developer

Markup view shows indicators for pseudo-classes locked for elements

Fixed

Eyedropper tool does not work as expected when page is zoomed