I don't know if that will happen, but there are tools that at least try to improve performance for specific languages, especially "underrepresented" languages,

I don't know if that will happen, but there are tools that at least try to improve performance for specific languages, especially "underrepresented" languages, e.g. https://sourcegraph.com/blog/enhancing-code-completion-for-rust-in-cody https://sourcegraph.com/blog/enhancing-code-completion-for-r...