You'll notice
Fetching artifact comments now flags retryable network and 429/5xx failures and honors a Retry-After header.
Fetching artifact comments now distinguishes retryable failures, such as network errors, HTTP 429/5xx, or relay-unavailable responses with certain statuses, from other failures via an explicit retryable flag, and honors a Retry-After header when present, instead of returning a generic failure uniformly.
Names in the bundleRetry-After