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.
36.0beta
Firefox Beta
January 15, 2015
Version 36.0beta, first offered to Beta channel users on January 15, 2015
New
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Pinned tiles on the new tab page can be synced
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Support for the full HTTP/2 protocol. HTTP/2 enables a faster, more scalable, and more responsive web.
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New preferences implementation enabled for the first half of the beta cycle
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Locale added: Uzbek (uz)
Fixed
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CSS gradients work on premultiplied colors
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Fix some unexpected logout from Facebook or Google after restart
Changed
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The Flash protected-mode sandbox is disabled on Windows, to evaluate the stability impact of protected mode
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-remote
option removed -
No longer accept insecure RC4 ciphers whenever possible
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Phasing out Certificates with 1024-bit RSA Keys
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Shut down hangs will now show the crash reporter before exiting the program
Developer
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Eval sources now appear in the Debugger
Debug JavaScript code that is evaluated dynamically, either as a string passed to eval() or as a string passed to the Function constructor -
Inspector: More paste options in markup view
Web Platform
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Implemented a subset of the Media Source Extensions (MSE) API to allow native HTML5 playback on YouTube (Windows Vista or later only)
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Support for the ECMAScript 6 Symbol data type added
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unicode-range CSS descriptor implemented
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CSSOM-View scroll behavior implemented allowing smooth scrolling of content without custom libraries
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object-fit and object-position implemented.
Defines how and where the content of a replaced element is displayed -
isolation CSS property implemented.
Create a new stacking context to isolate groups of boxes to control which blend together -
CSS3 will-change property implemented.
Hints the browser of elements that will be modified. The browser will
perform some performance optimization for these -
Improved ES6 generators for better performance
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Changed JavaScript 'const' semantics to conform better to the ES6 specification.
The const declaration is now block-scoped and requires an initializer. It also can not be redeclared anymore. -
<meta name="referrer"> implemented for more privacy. Allows to control the content of the HTTP referer header.