Firefox Developer Edition released
Mozilla has released the Firefox Developer Edition.Firefox Developer Edition replaces the Aurora channel in the Firefox Release Process. Like Aurora, features will land in the Developer Edition every six weeks.
Firefox Developer Edition Main features:
Developer Edition application launcher icon
Developer Edition theme
Toolbox launcher
Valence – an automatically installed add-on provides debugger support for Safari on iOS
Developer Edition uses its own profile, can be disabled (see bug 1086936)
Ambient update notification
Improved handling of dynamic styling changes to increase responsiveness
Implemented HTTP Public Key Pinning Extension (for enhanced authentication of encrypted connections)
Changed JavaScript ‘let’ semantics
Resource Timing API implemented
CSS filters enabled by default
WebSocket available in Workers
Support for inspecting ::before and ::after pseudo elements