I actually think something was merged on Rust recently that allows Rocket to be on stable now. I don't have a link but I read it. I think 0.5 is supposed to be

I actually think something was merged on Rust recently that allows Rocket to be on stable now. I don't have a link but I read it. I think 0.5 is supposed to be async, still on nightly, and after that they want to switch to stable.