Storyboard Embed Segues

macOS 10.12, Xcode 9.2 In the macOS Storyboard Segues post I briefly referred to embed segues; I have just used one and found an ideosynchracy that is worth documenting. At the moment, about 100% of bugs (as opposed to cases I didn’t handle or things I forgot to set up) are due to storyboard issues: […]