This is NOT NEW INFORMATION, it’s around eight months old now. But I’ve just come across it.
If like me, you’re a dedicated user of Firefox, you may have noticed that it has a tendency to leak memory like a sieve. So much so that for me, there are distinct stability issues with it on both Windows and OS X.
I think I have tracked down a couple of sites which provide usable (and useful) workarounds to the issue until it’s actually fixed. This site provides the most detail, however the author acknowledges this site was the source of the original solution.