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Rust 1.93.0 Release Notes

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

Rust 1.93.0 공식 release note를 기준으로, 섹션별 앞쪽 항목을 발췌해 변화 흐름을 빠르게 훑을 수 있게 정리했습니다.

범위​

  • 대상 릴리즈: Rust 1.93.0
  • 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 1.93.0 (2026-01-22)​

  • Language
    • Stabilize several s390x vector-related target features and the is_s390x_feature_detected! macro — source
    • Stabilize declaration of C-style variadic functions for the system ABI — source
    • Emit error when using some keyword as a cfg predicate — source
    • 그 외 6개 항목은 원문 참고
  • Compiler
    • Stabilize -Cjump-tables=bool . The flag was previously called -Zno-jump-tables. — source
  • Libraries
    • Stop internally using specialization on the Copy trait as it is unsound in the presence of lifetime dependent Copy implementations. This may result in some performance regressions as some standard library APIs may now call Clone::clone instead of performing bitwise copies — source
    • Allow the global allocator to use thread-local storage and std::thread::current() — source
    • Make BTree::append not update existing keys when appending an entry which already exists — source
    • 그 외 1개 항목은 원문 참고
  • Stabilized APIs
    • <[MaybeUninit<T>]>::assume_init_drop — source
    • <[MaybeUninit<T>]>::assume_init_ref — source
    • <[MaybeUninit<T>]>::assume_init_mut — source
    • 그 외 20개 항목은 원문 참고
  • Cargo
    • Enable CARGO_CFG_DEBUG_ASSERTIONS in build scripts based on profile — source
    • In cargo tree, support long forms for --format variables — source
    • Add --workspace to cargo clean — source
  • Rustdoc
    • Remove #![doc(document_private_items)] — source
    • Include attribute and derive macros in search filters for "macros" — source
    • Include extern crates in search filters for import — source
    • 그 외 1개 항목은 원문 참고

Sources​