FireFox v 26.0

Check out "What’s New" and "Known Issues" for this version of Firefox below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.

We'd also like extend a special thank you to all of the new Mozillians who contributed to Firefox 26!

What’s New

• All Java plug-ins are defaulted to 'click to play'
• Password manager now supports script-generated password fieldsUpdates can now be performed by Windows users without write permissions to Firefox install directory (requires Mozilla Maintenance Service)
• Support for H.264 on Linux if the appropriate gstreamer plug-ins are installed
• Support for MP3 decoding on Windows XP, completing MP3 support across Windows OS versionsCSP implementation now supports multiple policies, including the case of both an enforced and Report-Only policy, per the spec
• Social API now supports Social Bookmarking for multiple providers through its SocialMarks functionality (see MDN docs)
• Math.ToFloat32 takes a JS value and converts it to a Float32, whenever possible
• There is no longer a prompt when websites use appcache
• Support for the CSS image orientation property
• New App Manager allows you to deploy and debug HTML5 webapps on Firefox OS phones and the Firefox OS Simulator
• IndexedDB can now be used as a "optimistic" storage area so it doesn't require any prompts and data is stored in a pool with LRU eviction policy, in short temporary storageWhen displaying a standalone image, Firefox matches the EXIF orientation information contained within the JPEG image (298619)
• Improved page load times due to no longer decoding images that aren't visible (847223)
• AudioToolbox MP3 backend for OSX (914479)
• Various security fixes

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Original Article : http://www.mozilla.org/en-US/firefox/26.0/releasenotes/