Version History of Firefox 13.0 (Beta 1)

• NEW - When opening a new tab, users are now presented with their most visited pages
• NEW - The default home page now has quicker access to bookmarks, history, settings, and more
• CHANGED - SPDY protocol now enabled by default for faster browsing on supported sites
• CHANGED - Restored background tabs are not loaded by default for faster startup
• CHANGED - Smooth scrolling is now enabled by default
• DEVELOPER - 72 total improvements to Page Inspector, HTML panel, Style Inspector, Scratchpad and Style Editor
• DEVELOPER - The column-fill CSS property has been implemented
• DEVELOPER - Experimental support for ECMAScript 6 Map and Set objects has been implemented
• DEVELOPER - Support for the CSS3 background-position property extended syntax has been added
• DEVELOPER - The :invalid pseudo-class can now be applied to the element
• DEVELOPER - The CSS turn <angle> unit is now supported