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wire 2026-07-01
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RUSTC DEPENDENCY CLEANUP UNLOCKS RESOLVER REFACTOR

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

JonathanBrouwer
1 person shipped this
JonathanBrouwer @JonathanBrouwer 1 cited

The compiler team removed critical circular dependencies from rustc_incremental, unblocking a major resolver architecture goal that's been in the works for months.

Both rustc_codegen_ssa [1] and rustc_metadata [2] dropped their dependencies on rustc_incremental, a structural shift that enables rustc_incremental to depend on rustc_resolve instead. This breaks a circular dependency pattern that's constrained the compiler's internal architecture and directly unblocks the resolver refactor outlined in the Rust Project Goals [1]. The timing matters: this is foundational cleanup that the team needed before moving forward on resolver improvements, and it landed without breaking anything in the rollups. Meanwhile, the standard library replacement project added pin-utils, sptr, io-lifetimes, and is_sorted [3] [4] [5] [6], expanding the toolkit for crates targeting std-free environments. Documentation updates shipped across the reference and nomicon [7] [8], tightening the safety guarantees language for users who read the fine print.

Action items

References

  1. [1] Remove dependency from rustc_codegen_ssa on rustc_incremental rust-lang/rust ↗
  2. [2] Rollup merge of #158616 - blyxyas:less_rustc_incremental_dependents, r=petrochenkov rust-lang/rust ↗
  3. [3] Add `pin-utils` (#24) ↗ rust-lang/std-replacement-data
  4. [4] Add `sptr` (#22) ↗ rust-lang/std-replacement-data
  5. [5] Add `io-lifetimes` (#23) ↗ rust-lang/std-replacement-data
  6. [6] add is_sorted (#27) ↗ rust-lang/std-replacement-data
  7. [7] Rollup merge of #158571 - rustbot:docs-update, r=ehuss rust-lang/rust ↗
  8. [8] Rollup of 7 pull requests ↗ rust-lang/rust

$ 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 1, 2026?
The compiler team removed critical circular dependencies from rustc_incremental, unblocking a major resolver architecture goal that's been in the works for months. In total, 80 commits and 21 pull requests landed.
Who contributed to Rust on July 1, 2026?
1 developer shipped this update, including JonathanBrouwer.
What were the notable Rust updates?
Remove dependency from rustc_codegen_ssa on rustc_incremental, Rollup merge of #158616 - blyxyas:less_rustc_incremental_dependents, r=petrochenkov, and Add `pin-utils` (#24).
♥

$ 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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