I remember reading that UWP apps are better because they don't leave and leftovers after uninstallation. And also that Microsoft wants to make everything UWP eventually in the future. Ubisoft are just getting ahead... Epic Games is there too, Discord, nvidia control panel, almost anything these days really. But years ago there used to have differences between the store apps and the traditional installers, some features missing or added.. maybe now it's all the same.