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wire 2026-05-16
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$ the-wire · showcase

CARGO RAISES MSRV TO 1.95, REVERTS FRAME-POINTERS FEATURE

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

ehuss JonathanBrouwer aerooneqq MavenRain
4 people shipped this
ehuss @ehuss 1 cited JonathanBrouwer @JonathanBrouwer 1 cited aerooneqq @aerooneqq 1 cited MavenRain @MavenRain 1 cited

Cargo is bumping its minimum supported Rust version to 1.95 [ref:6], while simultaneously ripping out a freshly merged frame-pointers profiling option over UX concerns [ref:7].

The MSRV bump [1] means Cargo now requires Rust 1.95, tracking the upstream release cycle. More significant is the frame-pointers feature revert [2] that landed in the main branch only hours before being pulled. The team determined the force-off option naming was confusing because it doesn't actually force them off, it just disables the force-on behavior. That's a good catch on the naming, though it signals the feature needs better design before it ships. Meanwhile, rust-lang/rust is moving forward steadily with a rollup of 12 PRs [3] that includes pinned drop sugar [4], Wasm target improvements [5], and delegation error handling [6]. The pinned drop feature is significant: it adds syntactic sugar for `fn drop(&pin mut self)` in trait implementations, making pin drop patterns more ergonomic. On the analyzer side, rust-analyzer fixed method resolution to properly error when illegal Sized bounds are involved [7], eliminating a FIXME that was allowing unsound code to type-check silently on trait objects.

Action items

References

  1. [1] chore(deps): update msrv (1 version) to v1.95 (#17001) ↗ rust-lang/cargo
  2. [2] Revert "feat: add frame-pointers profile option (#16742)" ↗ rust-lang/cargo
  3. [3] Rollup of 12 pull requests ↗ rust-lang/rust
  4. [4] Rollup merge of #156452 - P8L1:implement-pin-drop-sugar-upstream, r=petrochenkov rust-lang/rust ↗
  5. [5] Rollup merge of #156571 - daxpedda:wasm-main, r=alexcrichton rust-lang/rust ↗
  6. [6] delegation: emit error when self type is not specified and accessed ↗ rust-lang/rust
  7. [7] method-resolution: emit error for method calls with illegal Sized b… ↗ rust-lang/rust-analyzer

$ 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 May 16, 2026?
Cargo is bumping its minimum supported Rust version to 1.95 [ref:6], while simultaneously ripping out a freshly merged frame-pointers profiling option over UX concerns [ref:7]. In total, 74 commits, 15 pull requests, and 1 releases landed.
Who contributed to Rust on May 16, 2026?
4 developers shipped this update, including ehuss, JonathanBrouwer, aerooneqq, and MavenRain.
What were the notable Rust updates?
chore(deps): update msrv (1 version) to v1.95 (#17001), Revert "feat: add frame-pointers profile option (#16742)", and Rollup of 12 pull requests.
♥

$ 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

$ ls showcases/

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

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