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wire 2026-07-15
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$ the-wire · showcase

RUST-ANALYZER FIXES MACRO EXTRACTION BUG WHILE COMPILER CLEANS HOUSE

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

Jonathan Brouwer bors cuishuang Michael Ingley reidliu Ralf Jung Lukas Wirth
9 people shipped this
Jonathan Brouwer @JonathanBrouwer 2 cited bors @bors 1 cited cuishuang @cuishuang 1 cited Michael Ingley @mingley 1 cited reidliu @reidliu41 1 cited Ralf Jung @RalfJung 1 cited Lukas Wirth @Veykril WhySoBad @WhySoBad tshepang @tshepang

Rust-analyzer's extract variable refactor now preserves whitespace from macro input, fixing a bug that corrupted generated code with invalid syntax like `&mutbar`.

The fix [1] keeps semantic analysis on expanded macros but builds the initializer from original source text, solving a problem that plagued developers using extract variable inside proc macros. In parallel, rust-analyzer's fuzzy import matching got a performance boost [2] by reusing lowercase buffers across comparisons while preserving case-insensitive ranking. The compiler itself shipped a rollup of 22 PRs [3] including fixes for trait method resolution on never types, comptime inherent impls, and Windows MSVC EII support. On the cleanup front, the compiler removed obsolete verbose flags from deref/ref suggestions [4], [5] and eliminated a stale comment about lint translatability [6]. Miri merged a fix [7] removing a bogus sanity check from weak memory mixed-size logic, tightening memory model validation.

Action items

References

  1. [1] Fix extract variable preserving whitespace from macro input ↗ rust-lang/rust-analyzer
  2. [2] tidy: Reuse flyimport lowercase buffer ↗ rust-lang/rust-analyzer
  3. [3] Auto merge of #159293 - JonathanBrouwer:rollup-bZ1e8vF, r=JonathanBrouwer rust-lang/rust ↗
  4. [4] Remove obsolete verbose flag from deref/ref suggestions rust-lang/rust ↗
  5. [5] Rollup merge of #159283 - reidliu41:cleanup-obsolete-suggestion-verbose, r=mejrs rust-lang/rust ↗
  6. [6] Rollup merge of #159275 - tshepang:patch-2, r=Kivooeo rust-lang/rust ↗
  7. [7] Merge pull request #5188 from RalfJung/mixed-size-ice rust-lang/miri ↗

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

the week in review Rust drops d32 support from 32-bit Arm targets the month in review Never type and custom allocators stabilize while rustc refactors repeat
Topics: Rust Full archive → Weekly reviews →

Quick answers

What shipped in Rust on July 15, 2026?
Rust-analyzer's extract variable refactor now preserves whitespace from macro input, fixing a bug that corrupted generated code with invalid syntax like `&mutbar`. In total, 186 commits, 26 pull requests, and 1 releases landed.
Who contributed to Rust on July 15, 2026?
9 developers shipped this update, including bors, cuishuang, Michael Ingley, Lukas Wirth, reidliu, Jonathan Brouwer, WhySoBad, and Ralf Jung, and 1 more.
What were the notable Rust updates?
Fix extract variable preserving whitespace from macro input, tidy: Reuse flyimport lowercase buffer, and Auto merge of #159293 - JonathanBrouwer:rollup-bZ1e8vF, r=JonathanBrouwer.
♥

$ log @rust-lang --recent

Cargo preserves locked prerelease deps, rustdoc fixes inlined intra-doc links 98 shipped Miri picks up upstream Rust, compiler narrows query stack output 152 shipped crates.io rejects publish tarballs missing target sources 193 shipped Const Range iteration, reexport chains fixed, TWiR 669 lands 119 shipped

$ log --all # elsewhere on the wire

@openclaw Cold-start Gateway diagnostics stop crying wolf, doctor repairs plugin drift Agentic Coding Cline desktop bundles shrink, goose unblocks its own clicks

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