Mozilla Firefox 12 beta 1 for Windows, Mac and Linux is now available for download and testing.What’s new in this beta version?
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
Improvements to “Find in Page” to center search result
URLs pasted into the download manager window are now automatically downloaded
The column-fill CSS property has been implemented
Support for the text-align-last CSS property has been added
Experimental support for ECMAScript 6 Map and Set objects has been implemented
OS X: WebGL performance may be degraded on some hardware (713305)
Download Mozilla Firefox 12 beta 1
