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NEW
Support for Retina Display on OS X 10.7 and up
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NEW
Preliminary support for WebRTC
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CHANGED
Experience better image quality with our new HTML scaling algorithm
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CHANGED
Performance improvements around tab switching
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DEVELOPER
CSS3 Flexbox implemented
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DEVELOPER
Support for new DOM property window.devicePixelRatio
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DEVELOPER
DOM Tree Live Preview added to inspect tool (see screenshot)
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DEVELOPER
Support for @supports added
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DEVELOPER
Improvement in startup time through smart handling of signed extension certificates
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HTML5
Support for W3C touch events impemented, taking the place of MozTouch events
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FIXED
Disable insecure content loading on HTTPS pages (see 62178)
What’s New
Known Issues
-
Unresolved
If you try to start Firefox using a locked profile, it will crash (see 573369)
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Unresolved
For some users, scrolling in the main GMail window will be slower than usual (see 579260)
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Unresolved
Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)