You can always reach out to the maintainers to see. Some of them might have behind the scenes work going on, others might consider the crate complete if it’s already hit 1.0.0.
I don’t think you’ll find a one size fits all answer here, it depends the crate.
Jeff Geerling had a video recently about the state of RISC V for desktop. https://youtu.be/YxtFctEsHy0?si=SUQBiepSeOne8-2u