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wire 2026-08-14
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CLIPPY MODERNIZES PATTERN MATCHING, RUST CORE SHIPS ROLLUP FIXES

By RepoJournal · Filed · About Rust · Composed from the cited sources · methodology

bors Jacob Pratt cyrgani Gri-ffin dswij tshepang Alejandra Gonzalez
9 people shipped this
bors @bors 2 cited Jacob Pratt @jhpratt 2 cited cyrgani @cyrgani 1 cited Gri-ffin @Gri-ffin 1 cited dswij @dswij 1 cited tshepang @tshepang 1 cited Alejandra Gonzalez @blyxyas 1 cited jyn @jyn514 dependabot @dependabot

Rust's linter replaces deprecated box patterns with the new deref patterns feature while compiler teams push through three major rollups addressing ambiguity errors, proc-macro refactoring, and TLS safety.

Clippy dropped a significant modernization [1] that replaces box_patterns usage with deref_patterns, tracking against rust-lang/rust#156110 and positioning the linter ahead of the language's evolution. The lint team also fixed two critical internal issues: duplicate diagnostics in min_rust_version_invalid_attr [2] by separating attribute parsing, and an ICE crash [3] when destructuring type aliases in the unnecessary_rest_pattern check. On the compiler side, three rollups landed across 102 commits. The first [4] merged 13 PRs including TLS allocator safety improvements and a new unused_footnote_definition rustdoc lint. The second [5] consolidated 8 changes that merge ambiguity error reporting for better developer clarity on inference variable conflicts. The third [6] removes the target argument from get_proc_macros, simplifying rust-analyzer's proc-macro loading strategy and laying groundwork for future wasm support. Bootstrap also replaced its exit! macro [7] with a proper function to eliminate crate-root ceremony. The dev guide received documentation updates [8] [9] covering feedable query modifiers and attribute link fixes across 5 commits.

Action items

References

  1. [1] replace `box_patterns` usage with `deref_patterns` ↗ rust-lang/rust-clippy
  2. [2] Fix duplicate diagnostics for `min_rust_version_invalid_attr` ↗ rust-lang/rust-clippy
  3. [3] fix ICE on unnecessary_rest_pattern for TyAlias ↗ rust-lang/rust-clippy
  4. [4] Auto merge of #161014 - jhpratt:rollup-lyWH2E3, r=jhpratt rust-lang/rust ↗
  5. [5] Auto merge of #161031 - jhpratt:rollup-XTZ644V, r=jhpratt rust-lang/rust ↗
  6. [6] Rollup merge of #160975 - bjorn3:proc_macro_refactors6, r=Mark-Simulacrum rust-lang/rust ↗
  7. [7] Rollup merge of #161023 - Zalathar:exit-process, r=jieyouxu,clubby789 rust-lang/rust ↗
  8. [8] misc changes ↗ rust-lang/rustc-dev-guide
  9. [9] Add `feedable` query modifier rust-lang/rustc-dev-guide ↗

$ ls rust-lang/reviews/ # the step-back reads

the week in review rustc to stop silently dropping unknown LLVM diagnostics the month in review Rust 1.99.0 lands with new raw-borrow lint
Full archive → Weekly reviews →

Quick answers

What shipped in Rust on August 14, 2026?
Rust's linter replaces deprecated box patterns with the new deref patterns feature while compiler teams push through three major rollups addressing ambiguity errors, proc-macro refactoring, and TLS safety. In total, 102 commits and 13 pull requests landed.
Who contributed to Rust on August 14, 2026?
9 developers shipped this update, including bors, cyrgani, Gri-ffin, dswij, Jacob Pratt, tshepang, Alejandra Gonzalez, and jyn, and 1 more.
What were the notable Rust updates?
replace `box_patterns` usage with `deref_patterns`, Fix duplicate diagnostics for `min_rust_version_invalid_attr`, and fix ICE on unnecessary_rest_pattern for TyAlias.
♥

$ log @rust-lang --recent

docs.rs gets a lockfile refresh, rust-analyzer learns E0220 112 shipped Crates.io closes a crate-scope bypass 184 shipped Array drops fixed in order after partial moves 115 shipped rustup reworks directory overrides to match by identity, not canonical path 83 shipped

$ log --all # elsewhere on the wire

Agent Security Quiet day in agent security as guard coverage reaches four clients Alignment & Post-training verl defaults Ascend RL mode, open-instruct unblocks SFT packing

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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