Ya Firefox 3.1 Beta esta ready para download.
- 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 <video> and <audio> elements, the W3C Geolocation API, JavaScript query selectors, web worker threads, SVG transforms and offline applications.










