I think it'd be less about being info-heavy and more about needing to reimplement everything on top of a canvas anyway. Not saying it's impossible to implement

I think it'd be less about being info-heavy and more about needing to reimplement everything on top of a canvas anyway. Not saying it's impossible to implement a mindmap with html, but it's possible to want mindmap features that would be much easier to implement with canvas. Rust becomes more viable the simpler the API between it and your JS is, and "takes events and renders pixels" is a very simple API. > Figma somehow manages to be fast, I don't think they use WASM. Figma not only uses wasm but pioneered it. They're consulted be standards bodies, they implemented wasm features in browsers, ...