Also, it's not just scaling. Often even if an application scales somewhat correctly, often some elements don't, because it's using some open source that draws s

Also, it's not just scaling. Often even if an application scales somewhat correctly, often some elements don't, because it's using some open source that draws something in a terrible manner. Or, assets look blurry because of "16x16 is all you really need" mentality. This used to happen on OS X in the first months, but very quickly and uniformly, developers just fixed their custom code and assets. Not so with Windows developers, sadly.