3.0? ! That's right, it's FireFox3.0. How come? 2.0 just released the first Alpha version, how can there be 3.0? What's the date today? Yes, April Fool's Day is over, I know, but it's here. I'm not sure why, but my guess is that Moziila is testing some new version. In short, it should be reminded that this is a very original beta version, there may be many defects, please decide whether to use it or not. However, Ryan said that after trying it out for himself, he "felt" less RAM consumption than previous versions.
Codenamed Deer Park, version Alpha2. The traditional version of FireFox is 3.0a1.