This year’s changes to Interface Builder (am I still allowed to call it that? 👴) really threw me at first. I didn’t like them straight away, especially the change in position/access to the object library. However, a few weeks of getting used to it and the discovery of ⌘⇧L and I was convinced. In this article, Steven Lipton takes us through some of the changes.
Xcode 10 Storyboard Changes
Mental Break Town 