Just stumbled upon an amusing bug in iOS 7. UITextView refused to change font size and color in Storyboard and xib files. Those storyboards were converted from iOS 5 format long time ago and so far I have not had any incompatibility issues until now. Whatever I was trying, UITextView controls did not want to change the font!
After hours of random experiments and googling I’ve found a workaround. Change font and color programmatically, but… you have to make UITextView editable first. You’ve heard that right. So code should look like this:
textView.editable = YES;
textView.font = [UIFont fontWithName:@"Arial" size:24];
textView.editable = NO;
P.S. Thanks Apple for all wasted hours!