I have seen that on Windows when dragging between monitors, but only if they are different resolutions. At work I use 3 monitors all 4k and they work flawlessly

I have seen that on Windows when dragging between monitors, but only if they are different resolutions. At work I use 3 monitors all 4k and they work flawlessly. But yes some windows apps still leave a lot desired on 4k if they haven't been updated.