Firefox 3+ version has always been promising and got better always, and now its the next version Firefox 3.6 going to be released soon, and you can download the release candidate which is the version just prior to the public release. The preview version is available for free, and more than 75% of the add-ons are going to come with upgrades that are compatible with the 3.6 version.

Here are a few new features from the previous stable version -

• Users can change the browser’s appearance with a single click using Personas.
• Users get alerted about out of date plugins, to keep them safe
• Changes to how third-party software integrates with Firefox to increase stability.
• Better options to save form history and betterment in the form filling feature
• Speed up page load time by running script asynchronously
• Support for new CSS, DOM and HTML5 web technologies.

There are a lot more changes and improvements made from the earlier versions. To get a sneak peak and try the new version, download the Firefox 3.6 release candidate from here.