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Bump once_cell from 1.21.3 to 1.21.4#213

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Apr 1, 2026
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Bump once_cell from 1.21.3 to 1.21.4#213
github-actions[bot] merged 1 commit into
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dependabot/cargo/once_cell-1.21.4

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@dependabot dependabot Bot commented on behalf of github Apr 1, 2026

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Bumps once_cell from 1.21.3 to 1.21.4.

Changelog

Sourced from once_cell's changelog.

1.21.4

  • Fix unsoundness in OnceCell::wait under --features=parking_lot, #295.

    If thread A calls wait, while thread B calls get_or_try_init(f), and, furthermore, f panics, the wait incorrectly returns and thread A observes uninitialized memory.

    Kudos to @​meng-xu-cs for a nice find!

Commits
  • 80fe900 Merge pull request #296 from matklad/matklad/plfix
  • a5e09c9 release 1.21.4
  • 2426d45 Merge pull request #295 from matklad/matklad/plfix
  • a144121 Merge pull request #290 from alexanderkjall/run-tests-with-no-default-features
  • 232a1a4 Merge pull request #292 from phil-opp/doc-fix
  • d31767b fix OnceCell::wait with features=parking_lot
  • 28d29ae Fix: sync::OnceCell::try_insert docs should import sync variant
  • 0f78fb0 make the command 'cargo test --no-default-features' work
  • fda60a6 Merge pull request #287 from AbeZbm/add-tests
  • b5b98c0 Add tests for OnceRef
  • See full diff in compare view

@dependabot dependabot Bot added dependencies Pull requests that update a dependency file rust Pull requests that update Rust code labels Apr 1, 2026
@github-actions github-actions Bot enabled auto-merge (rebase) April 1, 2026 02:04
Bumps [once_cell](https://github.com/matklad/once_cell) from 1.21.3 to 1.21.4.
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](matklad/once_cell@v1.21.3...v1.21.4)

---
updated-dependencies:
- dependency-name: once_cell
  dependency-version: 1.21.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot force-pushed the dependabot/cargo/once_cell-1.21.4 branch from d60e8d3 to 1448b98 Compare April 1, 2026 02:05
@github-actions github-actions Bot merged commit 1c10788 into master Apr 1, 2026
2 checks passed
@github-actions github-actions Bot deleted the dependabot/cargo/once_cell-1.21.4 branch April 1, 2026 02:05
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