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Bump js-yaml from 4.1.0 to 4.2.0#467

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Bump js-yaml from 4.1.0 to 4.2.0#467
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@dependabot dependabot Bot commented on behalf of github Jun 16, 2026

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Bumps js-yaml from 4.1.0 to 4.2.0.

Changelog

Sourced from js-yaml's changelog.

[4.2.0] - 2026-06-01

Added

  • Added docs/safety.md with notes about processing untrusted YAML.
  • Added maxDepth (100) loader option. Not a problem, but gives a better exception instead of RangeError on stack overflow.
  • Added maxMergeSeqLength (20) loader option. Not a problem after merge fix, but an additional restriction for safety.
  • Added sourcemaps to dist/ builds.

Changed

  • Stop resolving numbers with underscores as numeric scalars, #627.
  • Switched dev toolchains to Vite / neostandard.
  • Updated demo.
  • Reorganized tests.
  • dist/ files are no longer kept in the repository.

Fixed

  • Fix parsing of properties on the first implicit block mapping key, #62.
  • Fix trailing whitespace handling when folding flow scalar lines, #307.
  • Reject top-level block scalars without content indentation, #280.
  • Ensure numbers survive round-trip, #737.
  • Fix test coverage for issue #221.
  • Fix flow scalar trailing whitespace folding, #307.
  • Fix digits in YAML named tag handles.

Security

  • Fix potential DoS via quadratic complexity in merge - deduplicate repeated elements (makes sense for malformed files > 10K).

[3.14.2] - 2025-11-15

Security

  • Backported v4.1.1 fix to v3

[4.1.1] - 2025-11-12

Security

  • Fix prototype pollution issue in yaml merge (<<) operator.
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Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 4.1.0 to 4.2.0.
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodeca/js-yaml/commits)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-version: 4.2.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Jun 16, 2026
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Test Results

    12 files  ±0   7 131 suites  ±0   1h 44m 24s ⏱️ -29s
 2 093 tests ±0   2 092 ✅  - 1  0 💤 ±0  1 ❌ +1 
23 325 runs  ±0  23 324 ✅  - 1  0 💤 ±0  1 ❌ +1 

For more details on these failures, see this check.

Results for commit 43d4fa5. ± Comparison against base commit 71fac53.

♻️ This comment has been updated with latest results.

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