Storyboard Global Tint UITabBar Tint changed in IOS 7.1

Question

Have I overlooked something in just using the Global Tint to set the apps overall tint?

My App that worked in IOS 7.06 has suddenly changed today after IOS 7.1 Updat

Answer 1

Swift code that works under iOS 11 (in AppDelegate's didFinishLaunching):

application.windows[0].rootViewController?.view.tintColor = UIColor.black