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The Wire · Showcase

.NET TEMPLATING SHIPS ACROSS THREE VERSIONS AS SKILLS PLUGINS FACE CODEX COMPLIANCE OVERHAUL

By RepoJournal · Filed · About .NET

The templating pipeline rolled out point releases for .NET 8, 9, and 10 while the skills team scrambled to fix critical plugin manifest gaps that broke Codex CLI installs.

.NET 8.0.28, 9.0.17, and 10.0.9 all shipped with dependency updates from dotnet/arcade [1][2][3], closing out the templating release cycle across three active support tracks. Meanwhile, the skills desk uncovered a structural problem: the dotnet-msbuild Codex plugin fails installation because its mcpServers configuration was embedded inline instead of externalized to a separate .mcp.json file as the Codex spec demands [4]. This wasn't an isolated oversight. All 14 plugin directories lacked .codex-plugin/plugin.json manifest entry points entirely, blocking Codex CLI plugin discovery even though marketplace listings worked fine [6]. The team also patched two runtime failures: Copilot PAT rotation broke in gh-aw v0.77.5 because the agent job only declared a direct dependency on 'activation' instead of the 'pre_activation' job where the token gets selected [5], and the devops-health dashboard workflow abandoned its pinned issue and created duplicates when GitHub's search indexing silently dropped it [7]. WinForms absorbed the latest codeflow updates from the VMR [8][9][10], and Docker image metadata continues flowing through versions [11].

Action items

References

  1. [1] .NET 8.0.28 ↗ dotnet/templating
  2. [2] .NET 9.0.17 ↗ dotnet/templating
  3. [3] .NET 10.0.9 ↗ dotnet/templating
  4. [4] Fix dotnet-msbuild Codex plugin install by externalizing mcpServers ↗ dotnet/skills
  5. [5] Fix Copilot PAT rotation for gh-aw v0.77.5 runtime ↗ dotnet/skills
  6. [6] Add .codex-plugin/plugin.json manifests for Codex CLI plugin install ↗ dotnet/skills
  7. [7] fix(devops-health): resilient dashboard issue discovery (#737) dotnet/skills
  8. [8] [main] Source code updates from dotnet/dotnet ↗ dotnet/winforms
  9. [9] [main] Source code updates from dotnet/dotnet (#14629) dotnet/winforms
  10. [10] Update dependencies from build 318061 dotnet/winforms
  11. [11] Merging Docker image info updates from build dotnet/versions

FAQ

What changed in .NET on June 10, 2026?
The templating pipeline rolled out point releases for .NET 8, 9, and 10 while the skills team scrambled to fix critical plugin manifest gaps that broke Codex CLI installs.
What should .NET teams do about it?
Review and validate Codex plugin manifests across all 14 plugins before next marketplace push • Verify Copilot PAT rotation is wired correctly in your agent workflows if using gh-aw v0.77.5+ • Pull .NET 8.0.28, 9.0.17, and 10.0.9 template updates before next template release cycle
Which .NET repositories shipped on June 10, 2026?
dotnet/templating, dotnet/skills, dotnet/winforms, dotnet/versions

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