I just saw this being discussed today.. watch out for it if you have Firebug installed. There could be a performance regression because debugging is on even if

I just saw this being discussed today.. watch out for it if you have Firebug installed. There could be a performance regression because debugging is on even if you're not using it. https://bugzilla.mozilla.org/show_bug.cgi?id=699528 https://bugzilla.mozilla.org/show_bug.cgi?id=699528