I noticed that UISlider in iOS7 behaves differently than it did in iOS 6 and iOS 5:
Say you have a slider with min=0 and max=10, current value is 0. When you first t
I tested it and can confirm the described behavior.
Interestingly, when the app is built using the iOS 6 SDK but the device/simulator still runs iOS 7 (in compatibility mode) the bug does not occur. So it seems that it's connected to the new look.
File a bug.