Looks like the Steam team moved to control spawning and do execvpe. I would like to see at least in-process environment modification discouraged. Rust is deal

Looks like the Steam team moved to control spawning and do execvpe. I would like to see at least in-process environment modification discouraged. Rust is dealing with the issue by considering getenv unsafe when coming through C, but getting rid of the read side is much harder than the write side.