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[STABLE] library: wasm32-wasip1-threads has functional pthreads#153634

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[STABLE] library: wasm32-wasip1-threads has functional pthreads#153634
jieyouxu wants to merge 1 commit intorust-lang:stablefrom
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@jieyouxu jieyouxu commented Mar 10, 2026

Minimal backport-suitable fix to avoid returning UNSUPPORTED_PLATFORM for wasm32-wasip1-threads which has a working pthreads implementation via emnapi.

The stable regression was reported in #153475.

This PR should be stable-backported-only (if accepted by T-libs) to mitigate #153475 on stable with a stable point release.

Minimal backport-suitable fix to avoid returning `UNSUPPORTED_PLATFORM`
for `wasm32-wasip1-threads` which has a working pthreads implementation
via `emnapi`.

The stable regression was reported in
<rust-lang#153475>.
@rustbot rustbot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Mar 10, 2026
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@alexcrichton is this what you had in mind in #153475 (comment)?

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A job failed! Check out the build log: (web) (plain enhanced) (plain)

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Indeed! I believe this would fix the issue while being less risky than backporting #152183

@jieyouxu jieyouxu marked this pull request as ready for review March 11, 2026 15:14
@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Mar 11, 2026
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rustbot commented Mar 11, 2026

⚠️ Warning ⚠️

  • Pull requests are usually filed against the main branch for this repo, but this one is against stable. Please double check that you specified the right target!

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@rustbot reroll

Nominating for stable-backport only for mitigating #153475; the change here will need to be cherry-picked in a stable backport rollup w/ the patch version bump if this is accepted by libs.
@rustbot label: +stable-nominated

@rustbot rustbot added the stable-nominated Nominated for backporting to the compiler in the stable channel. label Mar 11, 2026
@the8472 the8472 added the stable-accepted Accepted for backporting to the compiler in the stable channel. label Mar 18, 2026
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Cherry-picked into #154211.

@rustbot rustbot removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Mar 22, 2026
@Mark-Simulacrum Mark-Simulacrum removed the stable-nominated Nominated for backporting to the compiler in the stable channel. label Mar 22, 2026
rust-bors bot pushed a commit that referenced this pull request Mar 22, 2026
[stable] 1.94.1 release


This backports:

* [STABLE] library: wasm32-wasip1-threads has functional pthreads #153634
* Move freeze_* methods to OpenOptionsExt2 #153491
* [Clippy] Fix ICE in match_same_arms rust-lang/rust-clippy#16685

Cargo:

* [stable 1.94] Fix symlink_and_directory when running in a long target dir name (rust-lang/cargo#16777)
* Fix symlink_and_directory when running in a long target dir name (rust-lang/cargo#16775)
* [stable 1.94] Update tar to 0.4.45 (rust-lang/cargo#16769)
* test: Remove unused docker ip_address (rust-lang/cargo#16636)
* Increase cache_lock test timeout (rust-lang/cargo#16545)
* chore: Updated compiler errors for Rust 1.93 (rust-lang/cargo#16543)
* test(build-std): Update error message (rust-lang/cargo#16658)
* fix: `--remap-path-scope` stabilized in 1.95-nightly (rust-lang/cargo#16536)
* fix(script): surpress `unused_features` lint for embedded (rust-lang/cargo#16714)
* test(git): Mark a test as non-deterministic (rust-lang/cargo#16706)
* test(replace): Mark a test as non-deterministic (rust-lang/cargo#16700)
rust-bors bot pushed a commit that referenced this pull request Mar 22, 2026
[stable] 1.94.1 release


This backports:

* [STABLE] library: wasm32-wasip1-threads has functional pthreads #153634
* Move freeze_* methods to OpenOptionsExt2 #153491
* [Clippy] Fix ICE in match_same_arms rust-lang/rust-clippy#16685

Cargo:

* [stable 1.94] Fix symlink_and_directory when running in a long target dir name (rust-lang/cargo#16777)
* Fix symlink_and_directory when running in a long target dir name (rust-lang/cargo#16775)
* [stable 1.94] Update tar to 0.4.45 (rust-lang/cargo#16769)
* test: Remove unused docker ip_address (rust-lang/cargo#16636)
* Increase cache_lock test timeout (rust-lang/cargo#16545)
* chore: Updated compiler errors for Rust 1.93 (rust-lang/cargo#16543)
* test(build-std): Update error message (rust-lang/cargo#16658)
* fix: `--remap-path-scope` stabilized in 1.95-nightly (rust-lang/cargo#16536)
* fix(script): surpress `unused_features` lint for embedded (rust-lang/cargo#16714)
* test(git): Mark a test as non-deterministic (rust-lang/cargo#16706)
* test(replace): Mark a test as non-deterministic (rust-lang/cargo#16700)
@jieyouxu jieyouxu deleted the wasm32-wasip1-threads branch March 23, 2026 00:55
CleanCut added a commit to Oxen-AI/Oxen that referenced this pull request Mar 26, 2026
From the [blog
post](https://blog.rust-lang.org/2026/03/26/1.94.1-release/)

## What's in 1.94.1

Rust 1.94.1 resolves three regressions that were introduced in the
1.94.0 release.

- [Fix std::thread::spawn on
wasm32-wasip1-threads](rust-lang/rust#153634)
- [Remove new methods added to
std::os::windows::fs::OpenOptionsExt](rust-lang/rust#153491)
The new methods were unstable, but the trait itself is not sealed and so
cannot be extended with non-default methods.
- [Clippy: fix ICE in
match_same_arms](rust-lang/rust-clippy#16685)
- [Cargo: downgrade curl-sys to
0.4.83](rust-lang/cargo#16787) This fixes
certificate validation error for some users on some versions of FreeBSD.
See [this issue](rust-lang/cargo#16357) for
more details.

And a security fix:

- [Cargo: Update tar to
0.4.45](rust-lang/cargo#16769) This resolves
[CVE-2026-33055](https://www.cve.org/CVERecord?id=CVE-2026-33055) and
[CVE-2026-33056](https://www.cve.org/CVERecord?id=CVE-2026-33056). Users
of crates.io are not affected. See
[blog](https://blog.rust-lang.org/2026/03/21/cve-2026-33056/) for more
details.
tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request Mar 27, 2026
This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [rust](https://github.com/rust-lang/rust) | patch | `1.94.0` → `1.94.1` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

---

### Release Notes

<details>
<summary>rust-lang/rust (rust)</summary>

### [`v1.94.1`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1941-2026-03-26)

[Compare Source](rust-lang/rust@1.94.0...1.94.1)

\===========================

<a id="1.94.1"></a>

- [Fix `std::thread::spawn` on wasm32-wasip1-threads](rust-lang/rust#153634)
- [Remove new methods added to `std::os::windows::fs::OpenOptionsExt`](rust-lang/rust#153491)
  The new methods were unstable, but the trait itself is not sealed and so
  cannot be extended with non-default methods.
- [Clippy: fix ICE in `match_same_arms`](rust-lang/rust-clippy#16685)
- [Cargo: update tar to 0.4.45](rust-lang/cargo#16769)
  This resolves CVE-2026-33055 and CVE-2026-33056. Users of crates.io are not affected.
  See [blog](https://blog.rust-lang.org/2026/03/21/cve-2026-33056/) for more details.

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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♻ **Rebasing**: Whenever MR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this MR and you won't be reminded about this update again.

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This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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jimsynz pushed a commit to jimsynz/neonfs that referenced this pull request Mar 29, 2026
This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [rust](https://github.com/rust-lang/rust) | patch | `1.94.0` → `1.94.1` |

---

### Release Notes

<details>
<summary>rust-lang/rust (rust)</summary>

### [`v1.94.1`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1941-2026-03-26)

[Compare Source](rust-lang/rust@1.94.0...1.94.1)

\===========================

<a id="1.94.1"></a>

- [Fix `std::thread::spawn` on wasm32-wasip1-threads](rust-lang/rust#153634)
- [Remove new methods added to `std::os::windows::fs::OpenOptionsExt`](rust-lang/rust#153491)
  The new methods were unstable, but the trait itself is not sealed and so
  cannot be extended with non-default methods.
- [Clippy: fix ICE in `match_same_arms`](rust-lang/rust-clippy#16685)
- [Cargo: update tar to 0.4.45](rust-lang/cargo#16769)
  This resolves CVE-2026-33055 and CVE-2026-33056. Users of crates.io are not affected.
  See [blog](https://blog.rust-lang.org/2026/03/21/cve-2026-33056/) for more details.

</details>

---

### Configuration

📅 **Schedule**: Branch creation - Between 12:00 AM and 03:59 AM ( * 0-3 * * * ) in timezone Pacific/Auckland, Automerge - Between 12:00 AM and 03:59 AM ( * 0-3 * * * ) in timezone Pacific/Auckland.

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

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---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My45MC4xIiwidXBkYXRlZEluVmVyIjoiNDMuOTAuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsicmVub3ZhdGUiXX0=-->

Reviewed-on: https://harton.dev/project-neon/neonfs/pulls/86
Co-authored-by: Renovate Bot <bot@harton.nz>
Co-committed-by: Renovate Bot <bot@harton.nz>
eleboucher pushed a commit to eleboucher/towonel that referenced this pull request Apr 18, 2026
This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [rust](https://github.com/rust-lang/rust) |  | minor | `1.94.0` → `1.95.0` |
| rust | stage | minor | `1.94-bookworm` → `1.95-bookworm` |

---

### Release Notes

<details>
<summary>rust-lang/rust (rust)</summary>

### [`v1.95.0`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1950-2026-04-16)

[Compare Source](rust-lang/rust@1.94.1...1.95.0)

\===========================

<a id="1.95-Language"></a>

## Language

- [Stabilize `if let` guards on match arms](rust-lang/rust#141295)
- [`irrefutable_let_patterns` lint no longer lints on let chains](rust-lang/rust#146832)
- [Support importing path-segment keywords with renaming](rust-lang/rust#146972)
- [Stabilize inline assembly for PowerPC and PowerPC64](rust-lang/rust#147996)
- [const-eval: be more consistent in the behavior of padding during typed copies](rust-lang/rust#148967)
- [Const blocks are no longer evaluated to determine if expressions involving fallible operations can implicitly be constant-promoted.](rust-lang/rust#150557). Expressions whose ability to implicitly be promoted would depend on the result of a const block are no longer implicitly promoted.
- [Make operational semantics of pattern matching independent of crate and module](rust-lang/rust#150681)

<a id="1.95-Compiler"></a>

## Compiler

- [Stabilize `--remap-path-scope` for controlling the scoping of how paths get remapped in the resulting binary](rust-lang/rust#147611)
- [Apply patches for CVE-2026-6042 and CVE-2026-40200 to vendored musl](rust-lang/rust#155171)

<a id="1.95-Platform-Support"></a>

## Platform Support

- [Promote `powerpc64-unknown-linux-musl` to Tier 2 with host tools](rust-lang/rust#149962)
- [Promote `aarch64-apple-tvos` to Tier 2](rust-lang/rust#152021)
- [Promote `aarch64-apple-tvos-sim` to Tier 2](rust-lang/rust#152021)
- [Promote `aarch64-apple-watchos` to Tier 2](rust-lang/rust#152021)
- [Promote `aarch64-apple-watchos-sim` to Tier 2](rust-lang/rust#152021)
- [Promote `aarch64-apple-visionos` to Tier 2](rust-lang/rust#152021)
- [Promote `aarch64-apple-visionos-sim` to Tier 2](rust-lang/rust#152021)

Refer to Rust's [platform support page][platform-support-doc]
for more information on Rust's tiered platform support.

[platform-support-doc]: https://doc.rust-lang.org/rustc/platform-support.html

<a id="1.95-Libraries"></a>

## Libraries

- [`thread::scope`: document how join interacts with TLS destructors](rust-lang/rust#149482)
- [Speed up `str::contains` on aarch64 targets with `neon` target feature enabled by default](rust-lang/rust#152176)

<a id="1.95-Stabilized-APIs"></a>

## Stabilized APIs

- [`MaybeUninit<[T; N]>: From<[MaybeUninit<T>; N]>`](https://doc.rust-lang.org/stable/std/mem/union.MaybeUninit.html#impl-From%3CMaybeUninit%3C%5BT;+N%5D%3E%3E-for-%5BMaybeUninit%3CT%3E;+N%5D)
- [`MaybeUninit<[T; N]>: AsRef<[MaybeUninit<T>; N]>`](https://doc.rust-lang.org/stable/std/mem/union.MaybeUninit.html#impl-AsRef%3C%5BMaybeUninit%3CT%3E;+N%5D%3E-for-MaybeUninit%3C%5BT;+N%5D%3E)
- [`MaybeUninit<[T; N]>: AsRef<[MaybeUninit<T>]>`](https://doc.rust-lang.org/stable/std/mem/union.MaybeUninit.html#impl-AsRef%3C%5BMaybeUninit%3CT%3E%5D%3E-for-MaybeUninit%3C%5BT;+N%5D%3E)
- [`MaybeUninit<[T; N]>: AsMut<[MaybeUninit<T>; N]>`](https://doc.rust-lang.org/beta/std/mem/union.MaybeUninit.html#impl-AsMut%3C%5BMaybeUninit%3CT%3E;+N%5D%3E-for-MaybeUninit%3C%5BT;+N%5D%3E)
- [`MaybeUninit<[T; N]>: AsMut<[MaybeUninit<T>]>`](https://doc.rust-lang.org/stable/std/mem/union.MaybeUninit.html#impl-AsMut%3C%5BMaybeUninit%3CT%3E%5D%3E-for-MaybeUninit%3C%5BT;+N%5D%3E)
- [`[MaybeUninit<T>; N]: From<MaybeUninit<[T; N]>>`](https://doc.rust-lang.org/stable/std/mem/union.MaybeUninit.html#impl-From%3C%5BMaybeUninit%3CT%3E;+N%5D%3E-for-MaybeUninit%3C%5BT;+N%5D%3E)
- [`Cell<[T; N]>: AsRef<[Cell<T>; N]>`](https://doc.rust-lang.org/stable/std/cell/struct.Cell.html#impl-AsRef%3C%5BCell%3CT%3E;+N%5D%3E-for-Cell%3C%5BT;+N%5D%3E)
- [`Cell<[T; N]>: AsRef<[Cell<T>]>`](https://doc.rust-lang.org/stable/std/cell/struct.Cell.html#impl-AsRef%3C%5BCell%3CT%3E%5D%3E-for-Cell%3C%5BT;+N%5D%3E)
- [`Cell<[T]>: AsRef<[Cell<T>]>`](https://doc.rust-lang.org/stable/std/cell/struct.Cell.html#impl-AsRef%3C%5BCell%3CT%3E%5D%3E-for-Cell%3C%5BT%5D%3E)
- [`bool: TryFrom<{integer}>`](https://doc.rust-lang.org/stable/std/primitive.bool.html#impl-TryFrom%3Cu128%3E-for-bool)
- [`AtomicPtr::update`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.update)
- [`AtomicPtr::try_update`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicPtr.html#method.try_update)
- [`AtomicBool::update`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicBool.html#method.update)
- [`AtomicBool::try_update`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicBool.html#method.try_update)
- [`AtomicIn::update`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicIsize.html#method.update)
- [`AtomicIn::try_update`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicIsize.html#method.try_update)
- [`AtomicUn::update`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicUsize.html#method.update)
- [`AtomicUn::try_update`](https://doc.rust-lang.org/stable/std/sync/atomic/struct.AtomicUsize.html#method.try_update)
- [`cfg_select!`](https://doc.rust-lang.org/stable/std/macro.cfg_select.html)
- [`mod core::range`](https://doc.rust-lang.org/stable/core/range/index.html)
- [`core::range::RangeInclusive`](https://doc.rust-lang.org/stable/core/range/struct.RangeInclusive.html)
- [`core::range::RangeInclusiveIter`](https://doc.rust-lang.org/stable/core/range/struct.RangeInclusiveIter.html)
- [`core::hint::cold_path`](https://doc.rust-lang.org/stable/core/hint/fn.cold_path.html)
- [`<*const T>::as_ref_unchecked`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.as_ref_unchecked)
- [`<*mut T>::as_ref_unchecked`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.as_ref_unchecked-1)
- [`<*mut T>::as_mut_unchecked`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.as_mut_unchecked)
- [`Vec::push_mut`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.push_mut)
- [`Vec::insert_mut`](https://doc.rust-lang.org/stable/std/vec/struct.Vec.html#method.insert_mut)
- [`VecDeque::push_front_mut`](https://doc.rust-lang.org/stable/std/collections/struct.VecDeque.html#method.push_front_mut)
- [`VecDeque::push_back_mut`](https://doc.rust-lang.org/stable/std/collections/struct.VecDeque.html#method.push_back_mut)
- [`VecDeque::insert_mut`](https://doc.rust-lang.org/stable/std/collections/struct.VecDeque.html#method.insert_mut)
- [`LinkedList::push_front_mut`](https://doc.rust-lang.org/stable/std/collections/struct.LinkedList.html#method.push_front_mut)
- [`LinkedList::push_back_mut`](https://doc.rust-lang.org/stable/std/collections/struct.LinkedList.html#method.push_back_mut)
- [`Layout::dangling_ptr`](https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.dangling_ptr)
- [`Layout::repeat`](https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.repeat)
- [`Layout::repeat_packed`](https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.repeat_packed)
- [`Layout::extend_packed`](https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.extend_packed)

These previously stable APIs are now stable in const contexts:

- [`fmt::from_fn`](https://doc.rust-lang.org/stable/std/fmt/fn.from_fn.html)
- [`ControlFlow::is_break`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.is_break)
- [`ControlFlow::is_continue`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.is_continue)

<a id="1.95-Rustdoc"></a>

## Rustdoc

- [In search results, rank unstable items lower](rust-lang/rust#149460)
- [Add new "hide deprecated items" setting in rustdoc](rust-lang/rust#151091)

<a id="1.95-Compatibility-Notes"></a>

## Compatibility Notes

- [Array coercions may now result in less inference constraints than before](rust-lang/rust#140283)
- Importing `$crate` without renaming, i.e. `use $crate::{self};`, is now no longer permitted due to stricter error checking for `self` imports.
- [const-eval: be more consistent in the behavior of padding during typed copies.](rust-lang/rust#148967)
  In very rare cases, this may cause compilation errors due to bytes from parts of a pointer ending up in the padding bytes of a `const` or `static`.
- [A future-incompatibility warning lint `ambiguous_glob_imported_traits` is now reported when using an ambiguously glob imported trait](rust-lang/rust#149058)
- [Check lifetime bounds of types mentioning only type parameters](rust-lang/rust#149389)
- [Report more visibility-related ambiguous import errors](rust-lang/rust#149596)
- [Deprecate `Eq::assert_receiver_is_total_eq` and emit future compatibility warnings on manual impls](rust-lang/rust#149978)
- [powerpc64: Use the ELF ABI version set in target spec instead of guessing](rust-lang/rust#150468) (fixes the ELF ABI used by the OpenBSD target)
- Matching on a `#[non_exhaustive]` enum [now reads the discriminant, even if the enum has only one variant](rust-lang/rust#150681). This can cause closures to capture values that they previously wouldn't.
- `mut ref` and `mut ref mut` patterns, part of the unstable [Match Ergonomics 2024 RFC](rust-lang/rust#123076), were accidentally allowed on stable within struct pattern field shorthand. These patterns are now correctly feature-gated as unstable in this position.
- [Add future-compatibility warning for derive helper attributes which conflict with built-in attributes](rust-lang/rust#151152)
- [JSON target specs](https://doc.rust-lang.org/rustc/targets/custom.html) have been destabilized and now require `-Z unstable-options` to use. Previously, they could not be used without the standard library, which has no stable build mechanism. In preparation for the `build-std` project adding that support, JSON target specs are being proactively gated to ensure they remain unstable even if `build-std` is stabilized. Cargo now includes the `-Z json-target-spec` CLI flag to automatically pass `-Z unstable-options` to the compiler when needed. See [#&#8203;150151](rust-lang/rust#150151), [#&#8203;151534](rust-lang/rust#150151), and [rust-lang/cargo#16557](rust-lang/cargo#16557).
- [The arguments of `#[feature]` attributes on invalid targets are now checked](rust-lang/rust#153764)

<a id="1.95-Internal-Changes"></a>

## Internal Changes

These changes do not affect any public interfaces of Rust, but they represent
significant improvements to the performance or internals of rustc and related
tools.

- [Update to LLVM 22](rust-lang/rust#150722)

### [`v1.94.1`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1941-2026-03-26)

[Compare Source](rust-lang/rust@1.94.0...1.94.1)

\===========================

<a id="1.94.1"></a>

- [Fix `std::thread::spawn` on wasm32-wasip1-threads](rust-lang/rust#153634)
- [Remove new methods added to `std::os::windows::fs::OpenOptionsExt`](rust-lang/rust#153491)
  The new methods were unstable, but the trait itself is not sealed and so
  cannot be extended with non-default methods.
- [Clippy: fix ICE in `match_same_arms`](rust-lang/rust-clippy#16685)
- [Cargo: update tar to 0.4.45](rust-lang/cargo#16769)
  This resolves CVE-2026-33055 and CVE-2026-33056. Users of crates.io are not affected.
  See [blog](https://blog.rust-lang.org/2026/03/21/cve-2026-33056/) for more details.

</details>

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Reviewed-on: https://git.erwanleboucher.dev/eleboucher/towonel/pulls/4
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