Emacs is relatively pervasive. It runs everywhere, including plenty of platforms that Rust does not support. Either due to current support priorities or lack of

Emacs is relatively pervasive. It runs everywhere, including plenty of platforms that Rust does not support. Either due to current support priorities or lack of LLVM support. That makes it something less than a drop-in replacement from the overall CEmacs project perspective. I'm sure Rust devs are working on more platform support, and it's possible Emacs devs are open to simply dropping some of the more obscure targets, but it might be a long time before alignment happens on that requirement alone.