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chore(deps): bump once_cell from 1.21.3 to 1.21.4 in /core#5

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chore(deps): bump once_cell from 1.21.3 to 1.21.4 in /core#5
dependabot[bot] wants to merge 2 commits intomainfrom
dependabot/cargo/core/once_cell-1.21.4

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@dependabot dependabot bot commented on behalf of github Mar 13, 2026

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

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dependabot bot commented on behalf of github Mar 13, 2026

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inteleion-ai and others added 2 commits March 14, 2026 16:52
oss: comprehensive quality pass — governance, tests, docs, Mermaid, benchmarks (v0.2.1)
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/core/once_cell-1.21.4 branch from 8bd2b16 to 782cb27 Compare March 14, 2026 11:23
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