I was knocking around in SwiftUI last weekend and disappointed to learn that there’s still no native support for SVGs — you're either stuck converting SVG to NSBezierPath, or taking your chances with 3rd-party libraries that come with a laundry list of caveats.
The documents don't mention if their engine is suitable for "dropping in" to the Cocoa/CocoaTouch/NSwhatever system, but gosh, that would be a heck of a treat…