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Rust 1.65.0 Release Notes

// RUST-RELEASE-NOTES — official release note timeline

Rust 1.65.0 공식 release note를 기준으로, 섹션별 앞쪽 항목을 발췌해 변화 흐름을 빠르게 훑을 수 있게 정리했습니다.

범위​

  • 대상 릴리즈: Rust 1.65.0
  • 포함된 릴리즈 수: 1개
  • 생성 경로: scripts/bloggen.py rust-release-docs
  • 생성일: 2026-07-08
  • 원문: rust-lang/rust RELEASES.md

읽는 법​

  • 이 문서는 해당 Rust 릴리즈 하나만 다룹니다.
  • 섹션별 최대 3개 앞쪽 항목만 발췌했으므로, 세부 API 목록은 원문 링크를 확인하세요.
  • Compatibility Notes는 업그레이드 전 회귀 위험을 확인하는 체크리스트로 보면 됩니다.

타임라인​

Rust 1.65.0 (2022-11-03)​

  • Language
    • Error on as casts of enums with #[non_exhaustive] variants — source
    • Stabilize let else — source
    • Stabilize generic associated types (GATs) — source
    • 그 외 5개 항목은 원문 참고
  • Compiler
    • Stabilize -Csplit-debuginfo on Linux — source
    • Use niche-filling optimization even when multiple variants have data — source
    • Associated type projections are now verified to be well-formed prior to resolving the underlying type — source
    • 그 외 10개 항목은 원문 참고
  • Libraries
    • Don't generate PartialEq::ne in derive(PartialEq) — source
    • Windows RNG: Use BCRYPT_RNG_ALG_HANDLE by default — source
    • Forbid mixing System with direct system allocator calls — source
    • 그 외 2개 항목은 원문 참고
  • Stabilized APIs
    • std::backtrace::Backtrace — source
    • Bound::as_ref — source
    • std::io::read_to_string — source
    • 그 외 4개 항목은 원문 참고
  • Cargo
    • Apply GitHub fast path even for partial hashes — source
    • Do not add home bin path to PATH if it's already there — source
    • Take priority into account within the pending queue . This slightly optimizes job scheduling by Cargo, with typically small improvements on larger crate graph builds. — source
  • Compatibility Notes
    • std::layout::Layout size must not overflow isize::MAX when rounded up to align . This also changes the safety conditions on Layout::from_size_align_unchecked. — source
    • PollFn now only implements Unpin if the closure is Unpin . This is a possible breaking change if users were relying on the blanket unpin implementation. See discussion on the PR for details of why this change was made. — source
    • Drop ExactSizeIterator impl from std::char::EscapeAscii This is a backwards-incompatible change to the standard library's surface area, but is unlikely to affect real world usage. — source
    • 그 외 8개 항목은 원문 참고

Sources​