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Rust 1.62.1

Released on July 19, 2022

What's Changed

  • [The compiler fixed unsound function coercions involving impl Trait return types.][98608]
  • [The compiler fixed an incremental compilation bug with async fn lifetimes.][98890]
  • [Windows added a fallback for overlapped I/O in synchronous reads and writes.][98950]
  • [The x86_64-fortanix-unknown-sgx target added a mitigation for the
Full Changelog

Rust 1.62.1 addresses a few recent regressions in the compiler and standard

library, and also mitigates a CPU vulnerability on Intel SGX.

* [The compiler fixed unsound function coercions involving impl Trait return types.][98608]

* [The compiler fixed an incremental compilation bug with async fn lifetimes.][98890]

* [Windows added a fallback for overlapped I/O in synchronous reads and writes.][98950]

* [The x86_64-fortanix-unknown-sgx target added a mitigation for the

MMIO stale data vulnerability][98126], advisory [INTEL-SA-00615].

[98608]: https://github.com/rust-lang/rust/issues/98608

[98890]: https://github.com/rust-lang/rust/issues/98890

[98950]: https://github.com/rust-lang/rust/pull/98950

[98126]: https://github.com/rust-lang/rust/pull/98126

[INTEL-SA-00615]: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html