Rust 1.62.0 prerelease testing

The 1.62.0 pre-release is ready for testing. The release is scheduled for this Thursday, June 30th. Release notes can be found here.

You can try it out locally by running:

RUSTUP_DIST_SERVER= rustup update stable

The index is You can leave feedback here.

The release team is also thinking about changes to our pre-release process: we'd love your feedback on this GitHub issue.


And there was much rejoicing in the streets.


Could the release notes be changed to say "visibly uninhabited"? At first I got scared that accepting more code because of uninhabited types would enable API breakages and I had to read through comments to find out it's not the case. I believe it's a very important thing to know.


The scoped thread API doesn't require UnwindSafe. It's worth checking that this is a 100% intentional omission.

(Sorry, false alarm)

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I think we'd be happy to accept a PR with any clarifications, though at this point it won't make it into the actual release (and likely won't land in time on master either). I think given that the PR's title (clicking through) and description both say this it's probably okay as-is, though of course we can always do better.

Otherwise we'll likely pick it up in a few weeks with the next round of release notes (for 1.63).

Hmm, I guess putting the emphasis and explanation into the PR description would be better. I had to scroll down to find out. Also missed the word "visible"

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