The last time they had to pospone the release as the update disinstalled a number of drivers.

So some resorted to pirating the upgrade via bit torrent, which was not released to most of their users and developers. Now this controversial update is going to be released in the wild.

Will it bluescreen machines the same way it happened to language packs, when they were released for the first time? Microsoft is not new to releasing dangerously untested and unpredictable software.