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wire 2026-09-13
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$ the-wire · showcase

Rust removes `type const`, crates.io registry ticks over

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

bors renovate Aelin Reidel JohnTitor Turbo87 Jonathan Brouwer
6 people shipped this
bors @bors 6 cited renovate @renovate 4 cited Aelin Reidel @Gelbpunkt 2 cited JohnTitor @JohnTitor 2 cited Turbo87 @Turbo87 1 cited Jonathan Brouwer @JonathanBrouwer

The compiler merged a change that removes `type const` from the language, while crates.io and libc kept to routine dependency and platform work.

Rust's auto-merge picked up the removal of `type const`, the headline change of the day for the language itself [1]. The same merge implements `#[rustc_always_gca]` as part of the broader const-generics design work, so anyone tracking generic const arguments should read the tracking issue before building against nightly [1]. The PR description frames it as two changes: "yeet `type const`" plus the new attribute.

The crates.io index absorbed a batch of crate updates through bors, covering `hk`, `vize_fresco`, `vize_musea`, `vize_atelier_sfc`, and `vize_atelier_ssr` [2][3][4][5][6]. These are registry entries, not crate releases with their own changelogs, so the signal is that the registry is moving normally.

On the crates.io application side, Renovate filed the usual dependency bumps: `@types/node` to 24.13.4 [7], the unocss monorepo to 66.10.1 [8], `chromatic` to 18.7.4 [9], and `valibot` to 1.5.0 [10]. Separately, a test fix for the Svelte `Tooltip` delay switched to fake timers: the test now advances them to verify the tooltip stays hidden at 199 ms and appears at 200 ms, replacing a timing-sensitive assertion [11].

In `libc`, the Linux bindings gained `FUTEX_ROBUST_UNLOCK` and `FUTEX_ROBUST_LIST32`, constants added in Linux 7.2 [12][13]. The CI story is quieter: `i686-pc-windows-msvc` is now tested without host tools, per RFC 3999 [14][15]. None of these are urgent; they are the ordinary shape of a working day across the Rust org.

Action items

References

  1. [1] Auto merge of #162517 - khyperia:yeet-type-const, r=BoxyUwU ↗ rust-lang/rust
  2. [2] Update crate `hk` ↗ rust-lang/crates.io-index
  3. [3] Update crate `vize_fresco` ↗ rust-lang/crates.io-index
  4. [4] Update crate `vize_musea` ↗ rust-lang/crates.io-index
  5. [5] Update crate `vize_atelier_sfc` ↗ rust-lang/crates.io-index
  6. [6] Update crate `vize_atelier_ssr` ↗ rust-lang/crates.io-index
  7. [7] Update dependency @types/node to v24.13.4 ↗ rust-lang/crates.io
  8. [8] Update unocss monorepo to v66.10.1 ↗ rust-lang/crates.io
  9. [9] Update dependency chromatic to v18.7.4 ↗ rust-lang/crates.io
  10. [10] Update dependency valibot to v1.5.0 ↗ rust-lang/crates.io
  11. [11] svelte: Use fake timers in `Tooltip` delay test ↗ rust-lang/crates.io
  12. [12] linux: Add FUTEX_ROBUST_UNLOCK and FUTEX_ROBUST_LIST32 ↗ rust-lang/libc
  13. [13] linux: Add FUTEX_ROBUST_UNLOCK and FUTEX_ROBUST_LIST32 ↗ rust-lang/libc
  14. [14] ci: Test `i686-pc-windows-msvc` as without host tools ↗ rust-lang/libc
  15. [15] ci: Test `i686-pc-windows-msvc` as without host tools ↗ rust-lang/libc

$ 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 September 13, 2026?
The compiler merged a change that removes `type const` from the language, while crates.io and libc kept to routine dependency and platform work. In total, 89 commits and 19 pull requests landed.
Who contributed to Rust on September 13, 2026?
6 developers shipped this update, including bors, renovate, Turbo87, Aelin Reidel, JohnTitor, and Jonathan Brouwer.
What were the notable Rust updates?
Auto merge of #162517 - khyperia:yeet-type-const, r=BoxyUwU, Update crate `hk`, and Update crate `vize_fresco`.
♥

$ 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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