Pretty sure that number 1 is simply a new feature in iOS 8, at least in the first beta. We'll see if it stays around or if it might get modified in some way.
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Yes, you can. You can put your phone in recovery mode and iTunes will install the latest publicly available iOS version on it (7.1.1 currently). Then you can put on your last 7.1.1 backup onto the phone (since an 8.0 backup won't work on iOS 7).
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People can file their own bug reports at http://bugreport.apple.com -- you need to be a developer to do it, but you don't have to be a paid developer, there's a free version that you can easily sign up for that will give you access to that and some other things (just not the betas and all that).
Oh cool - ok, thanks!