- Added server‑side OpenTelemetry tracing for Buildkite PR metadata and job retry details, enabling analysis of manual vs automatic retries.
- Introduced new resource attributes (buildkite.build.pull_request.number/url) and job span attributes (retry_source.retry_type, retries_count, etc.) available on Enterprise plans.
- Provided query guidance to calculate manual retry percentages; agent‑native spans remain unchanged.