v4.1.0

What's Changed

🐛 Fixed

• Fix intermittent Windows crashes caused by process handles being closed twice by @moskyb in #4432

🔧 Changed

• Report cache save and restore timings and sizes to Buildkite when buildkite-agent cache save and buildkite-agent cache restore complete by @buildkate in #4434
• Add buildkite.commit, buildkite.pull_request and buildkite.build_author tracing attributes to job spans and OpenTelemetry resource attributes by @silesky in #4435

🏠 Internal

• Source release notes from release PR description by @moskyb in #4429
• Check backports against the v3 backport policy by @moskyb in #4433

New Contributors

• @silesky made their first contribution in #4435

Full Changelog: v4.0.9...v4.1.0