[mdaniel]

relevant: https://github.com/remacs/remacs#rust-heart-emacs although as of this message it says they've given up in favor of https://github.com/emacs-ng/emacs-ng#contributing which does mention Rust but seems to be ... a lot different from Emacs so I guess they're really going all-in on the "NG" part

for the non-tongue-in-cheek, also relevant: https://www.emacswiki.org/emacs/GuileEmacs#h5o-2