Firefox 3.1 beta 1 is released

New features and changes in this milestone that require feedback include:

• Web standards improvements in the Gecko layout engine
• Added support for CSS 2.1 and CSS 3 properties
• A new tab-switching shortcut that shows previews of the tab you’re switching to
• Improved control over the Smart Location Bar using special characters to restrict your search
• Support for new web technologies such as the

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