Xcode 6.3 freezes/hangs after opening XIB file

Question

After upgrading to Xcode 6.3 (release version), Xcode now freeze every time I open a XIB/Storyboard file that includes an IB_DESIGNABLE view that uses a cu

Answer 1

Xcode 8.1 - if you have a view with Navigation (in my case it was top Bar opaque Navigation Bar), just try to set property "top Bar" to None.