For 2025-08, the apollographql/router project delivered targeted documentation improvements around router overhead and latency measurement, clarifying terminology, and strengthening upgrade notes. The effort enhances developer understanding of performance factors and provides a solid foundation for future tooling, while not introducing code changes this month.

In 2025-07, delivered Router Latency and Observability Documentation Enhancements for apollographql/router to improve observability, latency measurement, and performance analysis. The work clarifies how to compare http.client.request.duration and http.server.request.duration, how to interpret trace span attributes (busy_ns, idle_ns), and when spikes indicate slower subgraphs. This reduces time to diagnose performance issues and supports better operator onboarding and customer guidance. The efforts were complemented by targeted updates to standard-instruments and telemetry docs.

May 2025 monthly summary for apollographql/router: Delivered a documentation quality improvement to the security features section, enhancing readability without affecting functionality. This aligns with our emphasis on maintainability and developer experience.