I was reporting a bug in Fx 3.0pre yesterday.
Kev Needham answered:
>>Gmail's app doesn't support it, but they are rolling out a new version that
will go live on either the 8th or the 15th.<<

Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=432111

Can he say that? :/

I bet Gmail (and other Google services) are updated at least once a week.

Yeah, but question is if it's just a normal update, or a more serious one, like Gmail 2.0?

I'm guessing it's just a normal update since it's just making it available across browsers.