Firefox 3.5 Beta 4 now available

The Mozilla team released beta 4 of Firefox 3.5 Monday night.

Firefox 3.5 was formerly referred to as Firefox 3.1.

The improvements in this beta are numerous, and include, according to the Mozilla team:

IImproved tools for controlling your private data, including a Private Browsing Mode. Better performance and stability with the new TraceMonkey JavaScript engine. The ability to provide Location Aware Browsing using web standards for geolocation. Support for native JSON, and web worker threads. Improvements to the Gecko layout engine, including speculative parsing for faster content rendering. Support for new Web technologies such as: HTML5 and elements, downloadable fonts and other new CSS properties, JavaScript query selectors, HTML5 offline data storage for applications, and SVG transforms.