- Fixed unsound function coercions with `impl Trait` return types and corrected an incremental compilation bug for async fn lifetimes.
- Added a Windows fallback for overlapped I/O in synchronous reads and writes.
- Implemented mitigation for the Intel SGX MMIO stale‑data CPU vulnerability (INTEL SA 00615).
Rust 1.62.1
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Language: allow shortening lifetimes of &mut during unsize coercions and introduce new lints for invalid runtime symbols and c void return types.