I am too hardcore fan of Rust, but whenever I see incomplete features like GAT / HRTB/ No async function in trait / too much boilerplate code even if its unnece

I am too hardcore fan of Rust, but whenever I see incomplete features like GAT / HRTB/ No async function in trait / too much boilerplate code even if its unnecessary it make me annoyed. However, when I look on other side of the aisle, I think Rust is still good PL.