> Rust still rely on many C and C++ libraries
Yes but Rust has a lot more availability of libraries to do stuff as a result. Want to do anything ML or scientific? You at least have a route in Rust where you don’t with Go.
Has there been a lot of progress with ML in Rust? I don't really keep up with it because it seems like every crate ends up getting abandoned and I just gave up caring.
With Go basic stuff like url parsing or HTTPS support is written in Go and comes with the standard library. With Rust too many necessary things are just wrappers around C and C++ making cross-compilation and reproducible builds much harder to archive.
As for availability if CGO is ok, then calling C or C++ code from Go is not that hard. Also, there is always an option to just start C++ process if extra data copies are OK.