Button in UINavigationBar remains in "pressed" state when opening new view controller

Originator:hansknoechel92
Number:rdar://37230379 Date Originated:2018-02-05
Status:Open Resolved:
Product:iOS Product Version:11.2
Classification:Bug Reproducible:Always
 
Summary: The UIBarButtonItem item inside the UINavigtionBar remains in the "pressed" state after opening a new view controller via a segue or programmatically. This is a known issue for only 11.2+ and has been discussed in public forums already: https://stackoverflow.com/questions/47754472/ios-uinavigationbar-button-remains-faded-after-segue-back

Steps to Reproduce:
1. Create an instance of a UINavigationController and present it
2. Add a UIBarButtonItem to the UINavigationBar of it and add a touchUpInside handler to it that triggers a new view controller to be pushed to the navigation controller (can be done multiple ways, doing it that way for simplicity)
3. Tap the button: A new view controller will be pushed
4. Close / Dismiss the view controller again

Expected Results: The UIBarButtonItem of the UINavigationController goes back to it's default state, not being selected or "pressed".

Actual Results: The UIBarButtonItem of the UINavigationController remains in the selected or "pressed" state, causing a UI-glitch.

Version/Build: 11.2+ only

Configuration: Xcode 9.2 (9C40b)

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