I commented on that PR a few years ago and got downvoted, primarily for asking why they're using some random person's pet Lisp-in-Rust project over something more established, even Lua like Neovim is. I still don't understand why, but in the age of AI looks like we can build anything we want instead.
I know about steel as that is the Lisp I was referencing but it is unused anywhere else unlike Lua, and therefore only really maintained by one person which is not how I'd want a critical language to be used in an editor. Looks like Mitos is looking into using Wasm, from their Reddit comments.
