A few years ago, I griped about That Vector Thing, which was the way that Xcode 6 handled PDF vector assets and could not extend them to arbitrary use in UIImages. Enter WWDC 2017. In Session 201 “What’s New in Cocoa Touch”, Apple described Asset Catalogs with PDF-backed vector images. All you have to do is tick the “Preserve Vector Data” checkbox. After chatting with some colleagues about whether