Download Mozilla Firefox 12.0

Version 12.0 of Mozilla Firefox has been released. Today, Mozilla releases a new stable version of the web browser every six weeks. New in version 12 is, among other things, that updating to a newer version has been made easier, the page where the source code can be viewed now has line numbers and the search within a page has been improved. Below you can find the complete overview of the improvements that we find in version 12.0.

New:

• Windows: Firefox is now easier to update with one less prompt (User Account Control)
• Page Source now has line numbers
• Line breaks are now supported in the title attribute

Changed

• Improvements to “Find in Page” to center search result
• URLs pasted into the download manager window are now automatically downloaded

Developer

• Support for the text-align-last CSS property has been added
• Experimental support for ECMAScript 6 folder and set objects has been implemented

Fixed:

• Various security fixes
• Some TinyMCE-based editors failed to load (739141)
• OS X: WebGL performance may be degraded on some hardware (713305)

Known Issues

• If you try to start Firefox using a locked profile, it will crash (see 573369)
• For some users, scrolling in the main GMail window will be slower than usual (see 579260)
• Some synaptic touch pads are unable to vertical scroll (see 622410)
• Windows: The use of Microsoft’s System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)

The following downloads are available:
Mozilla Firefox 12.0 for Windows (English)
Mozilla Firefox 12.0 for Linux (English)
Mozilla Firefox 12.0 for Mac OS X (English)
Mozilla Firefox 12.0 for Windows (English)
Mozilla Firefox 12.0 for Linux (English)
Mozilla Firefox 12.0 for Mac OS X (English)
Mozilla Firefox 12.0 for Windows (Frisian)
Mozilla Firefox 12.0 for Linux (Frisian)
Mozilla Firefox 12.0 for Mac OS X (Frisian)