If you're speaking about Windows IOT, it's clearly not production ready (and not compatible with the PI4 AFAIK). I did some tests on a RPI3 a year or 2 ago and

If you're speaking about Windows IOT, it's clearly not production ready (and not compatible with the PI4 AFAIK). I did some tests on a RPI3 a year or 2 ago and showing some scrolling test in a UWP app was making the whole machine lag and be unresponsive.