1.100.0

Issues

• Tracking issue for release notes of #155942: Stabilize -Zprofile-sample-use

  A-LLVMA-rust-for-linuxrelnotesrelnotes-tracking-issueT-compiler
  rust-lang/rust#161171 · Filter by author rustbot opened on Aug 16, 2026 · 1.100.0
  2

• Tracking issue for release notes of #158580: std: map ENOTSUP to ErrorKind::Unsupported

  relnotesrelnotes-tracking-issueT-libs
  rust-lang/rust#161104 · Filter by author rustbot opened on Aug 14, 2026 · 1.100.0

• Tracking issue for release notes of #160668: enable next solver by default in orphanck

  relnotesrelnotes-tracking-issueT-compiler
  rust-lang/rust#161242 · Filter by author rustbot opened on Aug 17, 2026 · 1.100.0
  2

• Tracking issue for release notes of #154210: fix: fix the capture behavior of if let in closures

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  rust-lang/rust#156646 · Filter by author rustbot opened on May 16, 2026 · 1.100.0
  1

• Tracking issue for release notes of #160203: Iterator::{min,max}(_by_key) should use overridden min/max/lt

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  rust-lang/rust#161391 · Filter by author rustbot opened on Aug 20, 2026 · 1.100.0
  1

• Tracking issue for release notes of #160643: Require windowed (and exception) for Xtensa ABI

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  rust-lang/rust#161392 · Filter by author rustbot opened on Aug 20, 2026 · 1.100.0

• Tracking issue for release notes of #158504: Stabilize extern "custom"

  A-compiler-builtinsF-abi_customrelnotesrelnotes-tracking-issueT-compilerT-langT-libs
  rust-lang/rust#159141 · Filter by author rustbot opened on Jul 11, 2026 · 1.100.0

• Tracking issue for release notes of #160299: Stabilize bool::toggle

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  rust-lang/rust#161462 · Filter by author rustbot opened on Aug 21, 2026 · 1.100.0

• Tracking issue for release notes of #154992: Error on projection of dyn noncompat type in old trait solver

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  rust-lang/rust#161194 · Filter by author rustbot opened on Aug 16, 2026 · 1.100.0
  3

• Tracking issue for release notes of #160136: Add Default implementation for std::sync::Once

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  rust-lang/rust#161469 · Filter by author rustbot opened on Aug 21, 2026 · 1.100.0

• Tracking issue for release notes of #160229: Extend dropping_{references,copy_types} lints to drop_in_place

  relnotesrelnotes-tracking-issueT-lang
  rust-lang/rust#161541 · Filter by author rustbot opened on Aug 22, 2026 · 1.100.0
  1

• Tracking issue for release notes of #156160: feat: add symmetric PartialEq impls for Vec, &[T], &mut [T] versus Cow<'_, [T]>

  relnotesrelnotes-tracking-issueT-libs
  rust-lang/rust#161468 · Filter by author rustbot opened on Aug 21, 2026 · 1.100.0
  1

• Tracking issue for release notes of #160302: target_features: sse (or at least avx2) is incompatible with soft-float ABI

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  rust-lang/rust#161539 · Filter by author rustbot opened on Aug 22, 2026 · 1.100.0

• Tracking issue for release notes of #155499: stabilize never type

  A-rustdoc-jsA-rustdoc-jsonA-rustdoc-searchrelease-blog-postrelnotesrelnotes-tracking-issueT-clippyT-compilerT-langT-libsT-rust-analyzerT-rustdocT-rustdoc-frontend
  rust-lang/rust#158197 · Filter by author rustbot opened on Jun 21, 2026 · 1.100.0
  7

• Tracking issue for release notes of #159583: Add new invalid_markdown_table rustdoc lint

  relnotesrelnotes-tracking-issueT-rustdoc
  rust-lang/rust#160656 · Filter by author rustbot opened on Aug 6, 2026 · 1.100.0

• Tracking issue for release notes of #156749: remove box_patterns

  relnotesrelnotes-tracking-issueT-clippyT-compilerT-langT-rustfmt
  rust-lang/rust#158596 · Filter by author rustbot opened on Jun 30, 2026 · 1.100.0

• Tracking issue for release notes of #157036: lint against repeated repr attributes

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  rust-lang/rust#160763 · Filter by author rustbot opened on Aug 8, 2026 · 1.100.0

• Tracking issue for release notes of #161681: Cross-compile i686-pc-windows-gnu std from x86_64

  A-CIA-testsuiterelnotesrelnotes-tracking-issueT-infra
  rust-lang/rust#161885 · Filter by author rustbot opened on Aug 27, 2026 · 1.100.0
  3

• Tracking issue for release notes of #161886: compiler: Make +fix-cortex-a53-835769 a default feature for aarch64 fuchsia

  O-fuchsiarelnotesrelnotes-tracking-issueT-compiler
  rust-lang/rust#161962 · Filter by author rustbot opened on Aug 29, 2026 · 1.100.0

• Tracking issue for release notes of #158303: Always escape grapheme extenders in str::escape_debug

  A-Unicoderelnotesrelnotes-tracking-issueT-libs
  rust-lang/rust#161936 · Filter by author rustbot opened on Aug 28, 2026 · 1.100.0

• Tracking issue for release notes of #160534: stabilize smart pointer map functions

  relnotesrelnotes-tracking-issueT-libs
  rust-lang/rust#161933 · Filter by author rustbot opened on Aug 28, 2026 · 1.100.0

• Tracking issue for release notes of #161280: make target feature ABI check a hard error on ARM

  O-Armrelnotesrelnotes-tracking-issueT-compilerT-lang
  rust-lang/rust#161983 · Filter by author rustbot opened on Aug 29, 2026 · 1.100.0

• Tracking issue for release notes of #161946: Generalise (most) impls on Box

  A-allocatorsO-solidO-windowsrelnotesrelnotes-needs-reviewrelnotes-tracking-issueT-libs
  rust-lang/rust#162586 · Filter by author rustbot opened on Sep 10, 2026 · 1.100.0
  1

• Tracking issue for release notes of #162072: Add new Tier-3 target: powerpc64-sony-ps3

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  rust-lang/rust#162587 · Filter by author rustbot opened on Sep 10, 2026 · 1.100.0
  1

• Tracking issue for release notes of #161940: Promote wasm32-wasip3 to a tier 2 target

  A-CIA-testsuiterelnotesrelnotes-tracking-issueT-bootstrapT-compilerT-infra
  rust-lang/rust#162588 · Filter by author rustbot opened on Sep 10, 2026 · 1.100.0
  1