No - but it is *phenomenally useful* if it does. Changing addresses is only ever something you want in very specific circumstances.
You'll love RFC 4941 as implemented by Windows Vista and later.
Their awful experimental IPv6 stack in XP already does 3041, so I assume Vista, 2008, and 7 all do the same. In the XP case, it's not very agressive in rotating addresses.
Nope, different. No EUI64 at all - goes straight to randomized IIDs, but (cough) not to be confused with Temporary/Privacy IIDs. Randomized Link-local, randomized non-link local (Site|UniqueLocal|Global). FWIW - WinXP uses 24hours/change_in_prefix/reboot as the default criteria for new Privacy IID creation, is that not aggressive enough? I'd be curious to know what makes it "awful" IYO, I use it daily and have few complaints ... ? (I think the bigger / better complaint against WinXP is the lack of IPv6-transport support for DNS ... and perhaps the lack of DHCPv6 client functionality as well) /TJ