Windows is so fucking old that I think it has a right to try again.

And, btw, the reason Microsoft even bothered is because (dun dun dunnnn) lots of internal apps at Microsoft were written with Qt, not MFC, and leadership got pissed when they realized (they couldn't tell the difference, since Qt does the native++ technique).

As for Linux, yeah, thats a shitshow. Qt was closed source, Linux isn't, so they made Gtk, but then Qt got open sourced, and then the Gtk guys just kept going. Qt can mimic Gtk3/4 themes and already uses 100% native rendering (same APIs Gtk does).

People keep writing Gtk apps for some reason, and I don't know why. I can get the C++ hate, but Qt has the cleanest C++ I've ever seen.