"Four years ago today, Mozilla announced the release of Firefox 1.0. and delivered a better Web experience to millions of users..."

Mozilla today released Firefox 3.5 Release Candidate 2, which you can download from Mozilla's Web site. Release Candidate 2 is the first version of Firefox 3.5 that average users might want to run, since it's faster and more stable than the beta versions were. Firefox 3.5 boasts a number of significant changes.

The Mozilla Firefox developers are working on several different branches of the web browser at the same time. The latest public version, Firefox 3.6.6 just released today, and Firefox 3.7 which will be renamed to Firefox 4.0 later this year.

Firefox 3 developers are taking all the time that they need to accomplish their new Firefox. After the Beta 1 Mozilla has released Firefox 3 beta 2 to get more feedbacks about bugs from its testing community. Bugzilla was a little bit busy lately since the beta 1 thousands of bugs fortunately 900 of them are fixed. Firefox developers are trying to reveal more bugs to make their Firefox 3 better. The Beta 2 features are very promising and the Firefox 3 will definitely beat all competitors.

Mozilla announced today that Firefox users have downloaded more than two billion browser add-ons. To mark the occasion, Mozilla has created a special list of the top 25 add-ons.

After changing its stable release policy to a more accelerated pace, Mozilla released Firefox 5 pretty quick after the latest major Firefox version was put out. Firefox 4 was released on March 22, 2011 and this version follows only three months later. Here’s an announcement on the Mozilla Blog website.

Although Firefox 3.5 (formerly Firefox 3.1) is still in beta, Mozilla is already developing Firefox 3.6 code-named Namoroka. Slated for an early-to-mid 2010 release, the browser will be marketed as Firefox.next (FX) moniker in a nod to new technologies set to take Firefox to the next level.

Today Mozilla released the third beta for the next major Firefox update, version 3.1. Firefox 3.1, which will likely be re-numbered to Firefox 3.5, will have one more beta before the final release this summer.

According to the roadmap for the open source browser, the Mozilla developers plan to launch the next major Firefox release in October or November 2010. Around the same time, Mozilla plans to release version 2 of its Fennec smartphone browser.