During November 2025, Pieter Smeets enhanced observability in the grafana/alloy repository by developing a feature that enables traceparent header propagation for distributed tracing. He implemented new configuration options and updated the tracing runtime in Go, leveraging OpenTelemetry to improve end-to-end traceability across backend services. Pieter also refined related documentation in Markdown, ensuring clear guidance for users and maintainers. His work addressed the need for better cross-service traceability and faster root-cause analysis, while maintaining code quality through minor cleanups and consolidation of changes. The depth of his contribution lies in both technical implementation and collaborative codebase refinement.