What changed
An unhandled branch in your error handling.
Affects POST /repos/{owner}/{repo}/pulls/{pull_number}/requested_reviewers.
503 is now documented
Who is affected
Code that reads POST /repos/{owner}/{repo}/pulls/{pull_number}/requested_reviewers.
Before and after
| Where | Before | After |
|---|---|---|
| POST /repos/{owner}/{repo}/pulls/{pull_number}/requested_reviewers | absent | 503 |
Based on GitHub’s published API specification. How severity is decided.