Firefox 3.1 Beta 3 now available

Firefox 3.1 Beta 3 is now available.

The code offers improved Private Browsing Mode, including the ability to “Forget This Site” from the History sidebar, improved performance stability with the new TraceMonkey Javascript engine and new native JSON support, Mozilla said in a blog posted yesterday.

The third beta also offers improvements to web worker thread support and improvements to the Gecko layout engine, including speculative parsing for faster content rendering.

It also offers "support for new web technologies such as the

Mozilla plans to release beta 4 in mid April and then a release candidate. The release will be referred to Firefox 3.5 with the release of beta 4. The company has not announced a final release date for Firefox 3.5 but May or June is a good guess.