You said Mission Control in your first post, now you're talking about Control Center. Which one hasn't changed?
I didn't say control center - it was the guy who quoted me. If you see what he quoted, I wrote that the animation was changed when opening apps from Mission Control. But I can now see it's not changed.
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Found a way to bypass the lock screen in iOS 8 Beta 1:
Ask Siri what song is playing.
Once it tells you what song is playing, click on the Shazam logo.
This opens Shazam, where you can then simply press the home button, which takes you to the home screen.
I can't reproduce this. If you're using a passcode, it's asking for the passcode before unlocking the phone.