Firefox Release Notes

Default search engine changed to Yahoo! for North America

Default search engine changed to Yandex for Belarusian, Kazakh, and Russian locales

Improved search bar (en-US only)

Firefox Hello real-time communication client

Easily switch themes/personas directly in the Customizing mode

Wikipedia search now uses HTTPS for secure searching (en-US only)

Recover from a locked Firefox process in the "Firefox is already running" dialog on Windows

Various security fixes

CSS transitions start correctly when started at the same time as changes to display, position, overflow, and similar properties

Fullscreen video on Mac disables display sleep, and dimming, during playback

Various Yosemite visual fixes (see bug 1040250)

Disabled SSLv3

Proprietary window.crypto properties/functions re-enabled (to be removed in Firefox 35)

Firefox signed by Apple OS X version 2 signature

WebIDE: Create, edit, and test a new 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

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