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wire 2026-09-01
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$ the-wire · showcase

Bors gains config sanity check, libcore exposes volatile atomics

By RepoJournal · Filed · About Rust

Jakub Beránek renovate Turbo87 bors Jonathan Brouwer lnicola jhpratt
8 people shipped this
Jakub Beránek @Kobzol 2 cited renovate @renovate 2 cited Turbo87 @Turbo87 2 cited bors @bors 1 cited Jonathan Brouwer @JonathanBrouwer 1 cited lnicola @lnicola 1 cited jhpratt @jhpratt 1 cited DanielEScherzer @DanielEScherzer

bors now refuses to merge PRs without a valid config file, and rust core exposes volatile atomic operations.

bors will now verify that a PR has a valid and present bors config before starting an auto merge [1], preventing merge attempts that would fail later, and it also fixes base64 decoding of GitHub contents [2]. In rust-lang/rust, 8 PRs rolled up [3], including exposing volatile atomic operations in libcore [4] and restoring alias rigidity from HIR typeck in borrowck [4]. The rollup also makes the LLVM version mismatch ICE a fat error and emits a delayed bug instead of an ICE when a TypeOutlives goal fails [3]. rust-analyzer received a subtree update [5], and the 1.98.1 release notes were ported into main [6]. crates.io refactored add-owner argument parsing [7], introducing a `Login` enum, and updated to `astral-tokio-tar` v0.7.0 [8]. Dependency bumps include svelte to 5.57.0 [9] and pnpm to 11.25.0 [10].

Action items

References

  1. [1] Add a sanity check for valid bors config before merging a PR ↗ rust-lang/bors
  2. [2] Merge pull request #834 from Kobzol/fix-base64 ↗ rust-lang/bors
  3. [3] Rollup of 8 pull requests ↗ rust-lang/rust
  4. [4] Auto merge of #162046 - jhpratt:rollup-mIDSgO6, r=jhpratt ↗ rust-lang/rust
  5. [5] `rust-analyzer` subtree update ↗ rust-lang/rust
  6. [6] Rollup of 6 pull requests ↗ rust-lang/rust
  7. [7] controllers/owners: Parse add-owner arguments before dispatch ↗ rust-lang/crates.io
  8. [8] Update `astral-tokio-tar` to v0.7.0 ↗ rust-lang/crates.io
  9. [9] Update dependency svelte to v5.57.0 ↗ rust-lang/crates.io
  10. [10] Update dependency pnpm to v11.25.0 ↗ rust-lang/crates.io

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

the week in review Closures become MaybeDangling, AArch64 SVE lands the month in review Never type and custom allocators stabilize while rustc refactors repeat
Topics: Rust Full archive →

Quick answers

What shipped in Rust on September 1, 2026?
bors now refuses to merge PRs without a valid config file, and rust core exposes volatile atomic operations. In total, 79 commits and 16 pull requests landed.
Who contributed to Rust on September 1, 2026?
8 developers shipped this update, including bors, Jonathan Brouwer, lnicola, jhpratt, DanielEScherzer, Jakub Beránek, renovate, and Turbo87.
What were the notable Rust updates?
Add a sanity check for valid bors config before merging a PR, Merge pull request #834 from Kobzol/fix-base64, and Rollup of 8 pull requests.
♥

$ log @rust-lang --recent

libc hardens config, rust-analyzer ships 2026-09-07 107 shipped Closures become MaybeDangling, AArch64 SVE lands in inline asm 123 shipped rustup adds --check flag and toolchain pin, libc gains path constants 86 shipped Rust fixes time-traveling UB, rolls back enum Debug change 188 shipped

$ log --all # elsewhere on the wire

Meta React Native adds Stable API guards to renderer attributed string FastAPI & Pydantic Pydantic fixes Mypy plugin crash, tightens datetime constraints

$ ls showcases/

Rails Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux Anthropic

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