[pjc50]

It looks like WPF but isn't. Sibling comment suggests sui generis, which explains the tiny size and lack of dependencies. This does make it blindingly fast but makes the keymappings different from what you'd normally expect. Haven't tested annoying cases e.g. two monitors with different DPI.

edit: report of poor CJK support https://news.ycombinator.com/item?id=43100494 ; Windows file system encoding is annoying because it's UTF-16.

[regularfry]

This is always, always the tradeoff with custom UIs. The edge cases eat you alive.

[whartung]

I'm sorry, as I don't know.

I mean, I don't even know what you use to write "windows" applications anymore.

But are the stock frameworks that slow to justify rewriting the toolkit? I am under the impression that writing GUI toolkits was Hard.

Are there plans to make this cross platform?