A common problem we see new iOS Developers make when using Interface Builder is accidentally creating stack views. Stack views are an extremely useful and powerful tool, and Apple even recommends using "stack views wherever possible". However, when you don't need or want one, having one can make your life difficult. The symptoms: Adding constraints to your view aren't having any effect. Your constraints aren't working the way you expect. Your view is hard to find in the document outline because it's so deeply nested. You can tell if you've …