Is FIREFOX 3.6.13 is faster than 3.6.8?

I have no real idea, but I suspect * the changes will be more to do with security fixes etc (you could study the release notes) if anything 3.6.13 could conceivably be marginally slower than 3.6.8 * it may be more appropriate to compare much earlier versions or the new beta firefox4; but when doing so remember also the changing capabilities, and requirements of modern browsers.