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

Just a suggestion: Make sure all elements have a transparent background color or the light blue you are using. Apparently there is one that still has a white background color, could be the cell content view (if you have one) or the cell background.