Mozilla Firefox beta

Help refine and polish the newest features almost ready for prime time. With Firefox Beta, you get to test the latest performance, customization and security enhancements before they make it to our next version. Have an impact by helping to put the finishing touches on features and functionality.

What is new in this release:

• Firefox Hello real-time communication client
• Easily switch themes/personas directly in the Customizing mode
• Built-in support for H264 (MP4) on Mac OS X Leopard (10.6) and newer through native APIs
• Wikipedia search now uses HTTPS for secure searching
• Non-intrusive way to set Firefox as default browser
• Implementation of HTTP/2 (draft14) and ALPN
• Recover from a locked Firefox process in the "Firefox is already running" dialog on Windows
• ECMAScript 6 WeakSet Implemented
• JavaScript Template Strings Implemented
• CSS3 Font variants and features control (e.g. kerning) implemented
• WebCrypto: RSA-OAEP, PBKDF2 and AES-KW support
• WebCrypto: wrapKey and unwrapKey implemented
• WebCrypto: Import/export of JWK-formatted keys
• matches() DOM API implemented (formerly mozMatchesSelector())
• Performance.now() for workers implemented
• WebCrypto: ECDH support
• Support for the ECMAScript 6 Symbol data type added
• WebIDE: Create, edit, and test a
• Web application from your browser
• Highlight all nodes that match a given selector in the Style Editor and the Inspector's Rules panel
• Improved User Interface of the Profiler
• console.table function added to web console
• CSS transitions start correctly when started at the same time as changes to display, position, overflow, and similar properties