• Firefox 3.6 uses the Gecko 1.9.2 rendering platform – This version is faster and more responsive than the previous one.
• Personas – This is a new way to theme your Firefox and personalize it. Users can browse for Personas on GetPersonas.com and download a persona with just a click, and without having to restart Firefox to  install it.
• Better Protection – Firefox will now warn you if you have any outdated plug-ins that need to be updated. This is important because older plug-ins can have security issues and stability problems.
• Stability – Firefox 3.6 has better JavaScript performance, overall responsiveness, and start-up time. There are also changes that have been made to prevent third-party software from crashing the browser.
• Languages – Firefox 3.6 is now available in more than 70 languages.
• Developers – There are some new CSS attributes, and new DOM and HTML 5 specifications. If you are a developer you can see all the changes here.

• Firefox 3.6 – Windows (Filename: Firefox Setup 3.6.exe)
• Firefox 3.6 – Mac (Filename: Firefox 3.6.dmg)
• Firefox 3.6 – Linux(Filename: firefox-3.6.tar.bz2)

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