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I feel like there would be a HUGE amount of ecosystem value for Rust and async/await, if there was funding and the right dev(s) available to focus on improving: * Memory usage + copies of futures/async fns: particularly wrt overlapping data across yield * Improving codegen size/perf * opt-footguns

If we’re wishlisting async improvements we’d like to see, I would love it if the ecosystem were a bit more agnostic when it comes to async runtimes. At Zed we run into a lot of headaches because we have our own async runtimes, which can make it hard to consume popular crates that are tied to tokio.

I think that is a very noble thing to want, but I think it's a separate discussion topic! The items I've listed above are all things that are exclusive to the compiler, and shouldn't require any design/rfc work: this makes the bar MUCH lower for unbounded back and forth effort.

Ah, I somehow missed you were focused specifically on improvements in the compiler itself 😄