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NEW
Guest Browsing added for handing your phone & browser to a friend
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NEW
Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages
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NEW
Add-ons can now add indicators to the URL Bar
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CHANGED
Romanian, Irish, and Ukranian locales added
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DEVELOPER
Remote debugging with desktop Firefox can now be enabled from the settings
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DEVELOPER
Contacts API now implemented in support of web apps
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DEVELOPER
CSS3 background-attachment:local support to control background scrolling
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DEVELOPER
Many new ES6 functions implemented
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HTML5
iframe document content can now be specified inline
What’s New
Known Issues
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Unresolved
Browser is unusable on the Nexus 10 tablet with Android 4.3 (see 900020)
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Unresolved
Moving Firefox to background while playing a flash video in full screen mode and bring it back to view will freeze the app (see 809055)
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Unresolved
Some recent changes in the Google layout and CSS may cause issues in non-webkit browsers like Firefox (see 668288)
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Unresolved
Font inflation may sometimes render inconsistent font sizes on certain pages (see 707195)
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Unresolved
Firefox Sync will not behave as expected if multiple Firefox channels are installed on a single device (see 761206)
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Unresolved
'Video can't be played because the file is corrupt' on some HTC Gingerbread (Android 2.3) devices (see 829454)
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Unresolved
Private Browsing - can't see URL bar text on variant of HTC Sense UI (Froyo) (see 833351)