I didn’t know about the effort to be able to create GUIs on Windows. It looks like there are basic wrappers for a lot of controls too: https://github.com/compnerd/swift-win32/tree/ed4993f7cbb284a...

Slightly OT: I wish people wouldn’t put such large license headers in source code. I just don’t see the point, and it’s often longer than the actual source!