Open Radar

 
code & screenshot: https://github.com/imoldman/testDismiss

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according to doc, "If you present several view controllers in succession, thus building a stack of presented view controllers, calling this method(means -[UIViewController dismissViewControllerAnimated:completion]) on a view controller lower in the stack dismisses its immediate child view controller and all view controllers above that child on the stack. When this happens, only the top-most view is dismissed in an animated fashion; any intermediate view controllers are simply removed from the stack."

it is right in iOS 7, but in iOS 8, the world has been changed.

Steps to Reproduce:
prepare:
1. start app, you should see a view with red color background
2. click 'button 1', a view with green color background is presented
3. click 'button 2', a view with blue color background is presented

action:
4. click 'button 3', in iOS 7, you only see a dismiss animation with blue color, this is right. however, in iOS 8, you can see a dismiss animation with green color, obviously, this is wrong.