Metro interface has working native HiDPI afaik, but the moment you want to actually use your computer as a computer and step in to the desktop mode, shit hits the fan with scaling.
Windows desktop UI needs a total rewrite to work properly with HiDPI screens, currently it's a complete joke with 4K/5K screens.
Windows desktop UI needs a total rewrite to work properly with HiDPI screens, currently it's a complete joke with 4K/5K screens.