The question is how much different is the preview than the release? They haven't said. I'm running 8.1 preview right now and it seems pretty solid. It's stil

The question is how much different is the preview than the release? They haven't said. I'm running 8.1 preview right now and it seems pretty solid. It's still a departure from previous behavior and warrants at least an explanation about why or how developers should approach the 8.1 release.