Use this section when a DiffPal run does not produce the expected host feedback or artifacts, or when you need a short factual answer before choosing a guide.
- Troubleshooting starts from observable symptoms such as missing jobs, auth failures, missing summaries, artifact gaps, and gate surprises.
- FAQ answers common product, provider, host, CI, fork PR, gate, and artifact questions.
- Secrets and fork PRs covers credential handling and untrusted contribution safety.