That is not entirely correct for Rust. I know because I helped a friend of mine debug the porting process. (Apple did not see fit to give me access to the hardware, alas.)
(Also, not to be super pedantic, but this (among other things) is partially why I said "and is only going to get better in the future," that is, the support is generally good (I know, I am literally doing some of that in another tab right now) but not flawless.)
https://github.com/rust-lang/rust/issues/73908 has the full details.
(Also, not to be super pedantic, but this (among other things) is partially why I said "and is only going to get better in the future," that is, the support is generally good (I know, I am literally doing some of that in another tab right now) but not flawless.)