What were you doing when your phone crashed? I haven't had a respring since beta 2.
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I haven't had any show-stopping App Store issues. In the beginning of the beta cycle I remember my purchase history was missing so apps I had purchased in the past were showing prices again. When I went to install them and hit that price button, it told me it was free because I had purchased a previous version. That was resolved by the second or third beta though.
I also have not read about this before today. I would suggest signing out of your account in all locations (phone, iPad, Mac, etc.) and then signing back in. If you've done that then I don't know what else to tell ya.