If I had a time traveling magic wand, the one Software Thing I would wish for would be that native, cross platform toolkits had won the war rather than the whole industry punting and declaring The Web Browser to be the target platform, or these super-high-level Game Engines. For decades, I always hopelessly thought the OS and hardware gaps would eventually be bridged by something like Qt or SDL or wxWidgets, and we'd…
Or framed this way: your dream exists and it's called Qt and can be used to make some absolutely fantastic applications[1]. What's deficient about it and why?