See what’s new in Firefox!
Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.
34.0beta
Firefox Beta
October 16, 2014
Version 34.0beta, first offered to Beta channel users on October 16, 2014
New
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Firefox Hello real-time communication client
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Easily switch themes/personas directly in the Customizing mode
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Wikipedia search now uses HTTPS for secure searching (en-US only)
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Implementation of HTTP/2 (draft14) and ALPN
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Recover from a locked Firefox process in the "Firefox is already running" dialog on Windows
Fixed
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CSS transitions start correctly when started at the same time as changes to display, position, overflow, and similar properties
Developer
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WebIDE: Create, edit, and test a new Web application from your browser
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Highlight all nodes that match a given selector in the Style Editor and the Inspector's Rules panel
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Improved User Interface of the Profiler
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console.table function added to web console
HTML5
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Support for the ECMAScript 6 Symbol data type added
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ECMAScript 6 WeakSet Implemented
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JavaScript Template Strings Implemented
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CSS3 Font variants and features control (e.g. kerning) implemented
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WebCrypto: RSA-OAEP, PBKDF2 and AES-KW support
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WebCrypto: wrapKey and unwrapKey implemented
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WebCrypto: Import/export of JWK-formatted keys
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matches() DOM API implemented (formerly mozMatchesSelector())
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Performance.now() for workers implemented
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WebCrypto: ECDH support
unresolved
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Windows: On some combination of hardware and drivers, the main window could be black. In this case, update your graphics drivers (1083071)
