Not it's actually still very slow. Theres a JS demo ever 3 days on HN that runs terribly in FF. Plenty of other 'pushing the envelope' demos do the same thing to FF. To their credit the FF team is usually here, or finds them, and bugs are quickly reported.
The funny thing is, most users don't care about how their browser performs in "'pushing the envelope' demos" - they care about how it performs when they're browsing the web.
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Not it's actually still very slow. Theres a JS demo ever 3 days on HN that runs terribly in FF. Plenty of other 'pushing the envelope' demos do the same thing to FF. To their credit the FF team is usually here, or finds them, and bugs are quickly reported.
The funny thing is, most users don't care about how their browser performs in "'pushing the envelope' demos" - they care about how it performs when they're browsing the web.