Not to mention that Rust too had "let's have the minimalistic stdlib for now, let the community figure out the rest" approach and the results are somewhat mixed.
In what way? There was an stdx[1] crate that was basically extra stuff like regex, http client/server, json parsers but there was little desire to maintain it.
[1] https://github.com/brson/stdx?tab=readme-ov-file#stdx---the-...