It's for building frontend apps in Rust by compiling to Webassembly, that is still pretty niche compared to using it for the backend, so it's not strange that t

It's for building frontend apps in Rust by compiling to Webassembly, that is still pretty niche compared to using it for the backend, so it's not strange that there isn't a very polished incumbent for that role. Of course, you could just use the tools from the JS ecosystem instead. When I played around with Rust WASM, I used Snowpack and called out to cargo to do the Rust build.