The native GUI approach seems to struggle with extending the behaviour of stock controls, Win32 most of all. Granted, this is a very fuzzy problem that’s much m

The native GUI approach seems to struggle with extending the behaviour of stock controls, Win32 most of all. Granted, this is a very fuzzy problem that’s much more difficult than it seems (how do you shouls a CJK-style IME interact with a formatted-alphanumerics input?), and HTML+CSS doesn’t really do better, but it’s also a problem people have, and I don’t think native toolkits have a convincing approach. So I’m not ready to declare UI toolkits solved.