iOS 11/Xcode 9: UITableViewCell white background flickers on delete

Question

On iOS 11 device on deleting a UITableViewCell unexpected white background appears for some reason however all background colors are set to blue in storyboard (works fine on iOS

Answer 1

I tried everything that's possible and only thing that work was

adding

UITableViewCell.appearance().backgroundColor = UIColor.clear

in didFinishLaunchingWithOptions