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wire 2026-08-28
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Rust renames extern ABI, crates.io cuts feature flags, flate2 ships 1.1.10

By RepoJournal · Filed · About Rust

The Rust compiler dropped a clearer name for its LLVM-only ABI, crates.io streamlined its API and cache invalidation, and flate2 released a new version with meaningful performance work.

Rust renamed `extern "unadjusted"` to `extern "llvm-intrinsic"` [1], which "makes it clear that it is only meant for LLVM intrinsics and not for defining or calling arbitrary user functions." The cleanup also removes unnecessary references [2] and fixes a name in `rustc_public` [3]. The auto-merge [4] landed, and SVE LLVM intrinsics now use the new ABI name [5]. On crates.io, Tobias Bieniek delivered a trio of API changes: the Find User endpoint now accepts `include=linked_accounts` [6], the `User.url` fields are deprecated [7], and the `CACHE_TAG_INVALIDATIONS_ENABLED` feature flag is gone [8]. Finally, flate2-rs released 1.1.10 [9], which reuses zlib's decoder buffer and adds a reset method for `GzDecoder`.

Action items

References

  1. [1] Rename extern "unadjusted" to extern "llvm-intrinsic" ↗ rust-lang/rust
  2. [2] Remove a couple of unnecessary references to unadjusted ABI rust-lang/rust
  3. [3] Fix name in rustc_public rust-lang/rust
  4. [4] Auto merge of #161398 - bjorn3:rename_unadjusted_abi, r=tgross35 rust-lang/rust
  5. [5] Use extern "llvm-intrinsic" for some SVE LLVM intrinsics rust-lang/rust
  6. [6] controllers/user: Return requested linked accounts ↗ rust-lang/crates.io
  7. [7] OpenAPI: Deprecate `User.url` and `AuthenticatedUser.url` (#14537) rust-lang/crates.io
  8. [8] Remove `CACHE_TAG_INVALIDATIONS_ENABLED` feature flag rust-lang/crates.io
  9. [9] 1.1.10 ↗ rust-lang/flate2-rs

Quick answers

What shipped in Rust on August 28, 2026?
The Rust compiler dropped a clearer name for its LLVM-only ABI, crates.io streamlined its API and cache invalidation, and flate2 released a new version with meaningful performance work. In total, 78 commits, 15 pull requests, and 1 releases landed.
Who contributed to Rust on August 28, 2026?
5 developers shipped this update, including bors, bjorn3, renovate, Tobias Bieniek, and Byron.
What were the notable Rust updates?
Rename extern "unadjusted" to extern "llvm-intrinsic", Remove a couple of unnecessary references to unadjusted ABI, and Fix name in rustc_public.