Because open-source projects survive on people having fun improving them. There just isn't that many people working on the Rust language as a day job, and they

Because open-source projects survive on people having fun improving them. There just isn't that many people working on the Rust language as a day job, and they all have their hands full. Some of them have been working on foundational stuff that is required to get async rust to work, but it's work taking place over years. To give an example, the Inside Rust blog recently posted [1] an article about the Rust Trait System Refactor initiative, which is a refactor of one of most complex chunks of the rustc compiler, started earlier this year. That refactor is required to unlock some advanced lifetime syntax. Advanced lifetime syntax is required for some specific GAT improvements. GAT improvements are required to unlock async traits. It's not just "people are too lazy to write the documentation". A lot of thought went into this. [1] https://blog.rust-lang.org/inside-rust/2023/07/17/trait-system-refactor-initiative.html https://blog.rust-lang.org/inside-rust/2023/07/17/trait-syst...