> but the truth is that Zed is a relatively simple app, UI wise. The app’s chrome contains a few buttons, in a simple layout, a sidebar and a text editor, and the text editor is implemented as a custom element, completely bypassing GPUI’s layout and view semantics. By their own account, a window “has tens of nodes and a few thousand elements”.

I'm glad we're all finally coming round to this view. I've bene repeatedly annoyed at folks treating really basic UIs as evidence that their pet UI framework is suitable for complex UIs...