I'm always happy to hear about performance improvements to JS dev tooling. In recent years significant improvements have already been made, but it's still... slow.

However, I have concerns about using Rust here. Not because it's Rust specifically, but because it means yet another native dependency. I've done my best to eliminate any native code from projects because they would always cause problems sooner or later. Mostly later when coming back to an old project. Are there any plans to optionally ship the compiler as WASM to avoid this?