alt Hacker NewsDo you recall which libraries? Use of nightly fell of a cliff after 2018. Looking at the bottom of https://lib.rs/stats#rustc-usage, ~8% of all crates.io requests came from a nightly newer than that corresponding to 1.86. That's am upper bound, as using a nightly compiler doesn't mean that a nightly compiler was needed. The prevalence of nightly is also niche specific. If you're in embedded it is likely you need to use some nightly-only features that haven't been stabilized, but if you have an OS chances are that you don't.
> That's am upper bound, as using a nightly compiler doesn't mean that a nightly compiler was needed.
To be fair it's not even a lower bound, as using a stable compiler doesn't imply the absence of nightly only feature (as in Cargo features, the ones you can enable on crates you depend on).