No. Rust may provide some small async runtime for tutorials etc., but it'll never provide a rich async runtime like tokio because different people have differen

No. Rust may provide some small async runtime for tutorials etc., but it'll never provide a rich async runtime like tokio because different people have different requirements from their runtime and Rust wants to satisfy them all. What is planned is to standardize the API: that is, provide common traits for IO, tasks, etc. so libraries can be runtime-agnostic and you can change your runtime by only touching Cargo.toml (hopefully).