Mozilla announced shortly after launch latest version de Firefox 3.1 - Beta 3. This is the fifth stage of development and third version beta launched to meet new generation de Firefox browsers.
Firefox 3.1 Beta 3 is a stable version that brings improvements to the chapters private browsing, java, performance and stability. It seems that changes will be made to the tabs along the way.
A number of add-onare not currently compatible on this version (nor do I think they will be too soon. the final release is scheduled only in the summer), but it is good to know that whoever wants to test this new version, can install it with the final version of Firefox (3.0.7).
For more details and download, we recommend you visit the official version. Firefox 3.1 Beta 3 - Release Notes & Download.