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Rust 1.88.0 Release Notes

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

Rust 1.88.0 공식 release note를 기준으로, 섹션별 앞쪽 항목을 발췌해 변화 흐름을 빠르게 훑을 수 있게 정리했습니다.

범위​

  • 대상 릴리즈: Rust 1.88.0
  • 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 1.88.0 (2025-06-26)​

  • Language
    • Stabilize #![feature(let_chains)] in the 2024 edition. This feature allows &&-chaining let statements inside if and while, allowing intermixture with boolean expressions. The patterns inside the let sub-expressions can be irrefutable or refutable. — source
    • Stabilize #![feature(naked_functions)]. Naked functions allow writing functions with no compiler-generated epilogue and prologue, allowing full control over the generated assembly for a particular function. — source
    • Stabilize #![feature(cfg_boolean_literals)]. This allows using boolean literals as cfg predicates, e.g. #[cfg(true)] and #[cfg(false)]. — source
    • 그 외 5개 항목은 원문 참고
  • Compiler
    • Stabilize -Cdwarf-version for selecting the version of DWARF debug information to generate. — source
  • Libraries
    • Remove backticks from #[should_panic] test failure message. — source
    • Guarantee that [T; N]::from_fn is generated in order of increasing indices. , for those passing it a stateful closure. — source
    • The libtest flag --nocapture is deprecated in favor of the more consistent --no-capture flag. — source
    • 그 외 1개 항목은 원문 참고
  • Stabilized APIs
    • Cell::update — source
    • impl Default for *const T — source
    • impl Default for *mut T — source
    • 그 외 24개 항목은 원문 참고
  • Cargo
    • Stabilize automatic garbage collection. — source
    • use zlib-rs for gzip compression in rust code — source
  • Rustdoc
    • Doctests can be ignored based on target names using ignore-* attributes. — source
    • Stabilize the --test-runtool and --test-runtool-arg CLI options to specify a program (like qemu) and its arguments to run a doctest. — source

Sources​