Mozilla Firefox 3.1 Beta

The beta of the new Firefox's version is here. You can now download Firefox 3.1 beta, in 35 languages. The new version has much better support for new technologies and web standards, as well as many performance improvements. It also features a new way to switch between tabs with preview.

Firefox 3.1 Beta 1 is based on the Gecko 1.9.1 rendering platform, which has been under development for the past 6 months. Gecko 1.9.1 is an incremental release on the previous version with significant changes to improve web compatibility, performance, and ease of use:

• 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. More information.

Check the release notes.