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This PR contains the following updates:

Package Type Update Change
Polyfill nuget patch 9.0.2 -> 9.0.3

Release Notes

SimonCropp/Polyfill (Polyfill)

v9.0.3

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This PR has been generated by Renovate Bot.

@thomhurst thomhurst added dependencies Pull requests that update a dependency file PATCH renovate-bot labels Nov 13, 2025
@thomhurst thomhurst enabled auto-merge (squash) November 13, 2025 23:09
@claude
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claude bot commented Nov 13, 2025

Claude finished @thomhurst's task —— View job


Pull Request Review: Polyfill Dependency Update

I've completed my analysis of this dependency update. This is a straightforward patch version update from Polyfill 9.0.2 to 9.0.3.

Todo List:

  • Read repository guidelines (CLAUDE.md)
  • Examine the changed file (TUnit.Core.targets)
  • Research Polyfill library and version 9.0.3 changes
  • Analyze potential impact on TUnit
  • Run basic validation tests
  • Provide comprehensive review feedback

Code Quality Review

Positive Aspects

  1. Minimal scope: Only one line changed (_TUnitPolyfillVersion from 9.0.2 to 9.0.3)
  2. Patch version update: Low risk of breaking changes
  3. Proper automated dependency management: Renovate PR with good release notes format
  4. Conditional inclusion: Polyfill only included when needed (older frameworks)

⚠️ Issues Identified

1. Version Mismatch (Medium Priority)

  • File: Directory.Packages.props:62
  • Issue: Still references Polyfill 9.0.2 while TUnit.Core.targets was updated to 9.0.3
  • Impact: Potential version conflicts in internal TUnit projects using Central Package Management

2. Missing Information

  • Issue: PR description doesn't show what changed in Polyfill 9.0.3 (only shows compare link)
  • Impact: Harder to assess risk without knowing specific changes

Performance Considerations

No Performance Impact Expected

  • Polyfill only affects compile-time type availability for older frameworks
  • No runtime impact on supported frameworks (netcoreapp, net6.0+)
  • Uses PrivateAssets=all so no transitive dependencies

Security Assessment

Low Security Risk

  • Patch version update from trusted maintainer (Simon Cropp)
  • Polyfill provides modern .NET API backports, not introducing new attack vectors
  • Compile-time only dependency for older frameworks

Test Coverage

⚠️ Recommendation: Run these test suites to validate:

# Test projects targeting older frameworks
dotnet test --framework netstandard2.0  # if available
dotnet test --framework net472          # if available

# Ensure AOT compatibility not affected
cd TUnit.TestProject && dotnet publish -c Release -p:PublishAot=true

# Run core tests 
dotnet test TUnit.Engine.Tests
dotnet test TUnit.Core.SourceGenerator.Tests

Recommendations

  1. Fix Version Mismatch: Update Directory.Packages.props:62 to match:

    <PackageVersion Include="Polyfill" Version="9.0.3" />
  2. Research Changes: Since the PR compare link shows no commits between 9.0.2 and 9.0.3, this appears to be a metadata-only update

  3. Low Risk Approval: This is a safe dependency update with minimal scope

Conclusion

Recommendation: ✅ APPROVE after fixing the version mismatch.

This is a low-risk patch update to a compile-time dependency. The main concern is the version inconsistency between files, which should be resolved for consistency.

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3 participants