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@dependabot dependabot bot commented on behalf of github Dec 15, 2025

Bumps actions/setup-go from 5 to 6.

Release notes

Sourced from actions/setup-go's releases.

v6.0.0

What's Changed

Breaking Changes

Make sure your runner is on version v2.327.1 or later to ensure compatibility with this release. See Release Notes

Dependency Upgrades

New Contributors

Full Changelog: actions/setup-go@v5...v6.0.0

v5.5.0

What's Changed

Bug fixes:

Dependency updates:

New Contributors

Full Changelog: actions/setup-go@v5...v5.5.0

v5.4.0

What's Changed

Dependency updates :

... (truncated)

Commits
  • 4dc6199 Bump semver and @​types/semver (#652)
  • f3787be Add comprehensive breaking changes documentation for v6 (#674)
  • 3a0c2c8 Bump actions/publish-action from 0.3.0 to 0.4.0 (#641)
  • faf5242 Add support for .tool-versions file in setup-go, update workflow (#673)
  • 7bc60db Fall back to downloading from go.dev/dl instead of storage.googleapis.com/gol...
  • c0137ca Bump eslint-config-prettier from 10.0.1 to 10.1.8 and document breaking chang...
  • 4469467 Bump actions/checkout from 4 to 5 (#631)
  • e093d1e Node 24 upgrade (#624)
  • 1d76b95 Improve toolchain handling (#460)
  • e75c3e8 Bump form-data to bring in fix for critical vulnerability (#618)
  • Additional commits viewable in compare view

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Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file github_actions Pull requests that update GitHub Actions code labels Dec 15, 2025
@claude
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claude bot commented Dec 17, 2025

PR Review: actions/setup-go v5 → v6 Upgrade

Summary

This Dependabot PR upgrades actions/setup-go from v5 to v6 across all three GitHub Actions workflows. Overall, this is a low-risk, recommended upgrade with important breaking changes to be aware of.


✅ Positive Aspects

  1. Security Improvements: Includes critical vulnerability fixes in dependencies (notably form-data)
  2. Improved Toolchain Handling: Better reliability and consistency in Go version selection
  3. Modern Runtime: Upgrades from Node 20 to Node 24
  4. Consistent Application: All three workflows updated uniformly

⚠️ Critical Breaking Changes & Compatibility Requirements

Runner Version Requirement

  • Required: GitHub Actions runner v2.327.1 or later
  • Risk: Workflows will fail on older runners
  • Recommendation: Verify your runner versions before merging. For GitHub-hosted runners, this should not be an issue. For self-hosted runners, check with:
    # On self-hosted runner
    ./bin/Runner.Listener --version

Toolchain Handling Changes

The v6 release includes breaking changes to toolchain handling that may affect behavior:

  • More strict and consistent Go version selection
  • Changes to how go.mod toolchain directives are processed
  • Potential impact on builds that relied on previous version resolution behavior

🔍 Code Quality Assessment

Changes Made:

  • .github/workflows/pull-request.yml: 2 instances updated
  • .github/workflows/release-dev.yaml: 2 instances updated
  • .github/workflows/release.yml: 2 instances updated

Quality: ✅ Clean, mechanical version bump with no code logic changes


🧪 Testing Considerations

Pre-Merge Verification Checklist:

  1. CI Passes: Ensure all workflow checks pass (build, test, linting)
  2. Go Version Consistency: Verify Go 1.23.x still installs correctly
  3. Self-Hosted Runners (if applicable): Confirm runner version ≥ v2.327.1
  4. Build Artifacts: Check that goreleaser builds complete successfully in release workflow

Post-Merge Monitoring:

  • Watch the first production release after merge
  • Verify multi-platform builds (Linux, Windows: amd64, 386, arm, arm64) still work
  • Confirm Docker image builds to Docker Hub and GHCR succeed

🔒 Security Assessment

Security Positive: This upgrade includes fixes for critical vulnerabilities

  • form-data vulnerability patched
  • Multiple dependency security updates included

No new security risks identified in this upgrade.


⚡ Performance Considerations

  • Node 24 Runtime: May have slight performance improvements over Node 20
  • Caching Behavior: No changes expected to Go module caching
  • Network Calls: New fallback to go.dev/dl instead of storage.googleapis.com/golang for downloads (more reliable)

📋 Recommendations

Approval Status: ✅ Approve with monitoring

Before Merging:

  1. ✅ Verify all CI checks pass
  2. ⚠️ Confirm runner compatibility (especially if using self-hosted runners)
  3. ✅ Review that Go 1.23.x installation succeeds in test runs

After Merging:

  1. Monitor the next release workflow execution
  2. Watch for any unexpected toolchain selection behavior
  3. Document any observed changes in Go version resolution

📚 Additional Notes

  • Dependabot Quality: Well-formed PR with detailed changelog
  • Rollback Plan: If issues arise, revert is straightforward (change v6 back to v5)
  • Future Maintenance: Consider enabling Dependabot auto-merge for low-risk dependency updates like this

Verdict

LGTM ✅ with the caveat that runner version compatibility should be verified before merge, particularly for any self-hosted runners in use.

The upgrade brings security fixes and improvements that outweigh the minimal risk, provided the runner version requirement is met.

@todd2982 todd2982 merged commit b6a0191 into main Dec 17, 2025
1 of 10 checks passed
@dependabot dependabot bot deleted the dependabot/github_actions/actions/setup-go-6 branch December 17, 2025 06:01
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