Matthew Barber enhanced observability for the govuk-one-login/observability-configuration repository by delivering two targeted configuration improvements. He updated the service metrics table in the standards metrics configuration, ensuring alignment with evolving service metric requirements and supporting more accurate performance tracking for on-call teams. Using YAML and leveraging his skills in configuration management and observability, Matthew also streamlined dashboard configuration by removing unnecessary fields, which improved clarity and maintainability. While the work focused on new features rather than bug fixes, the changes provided more actionable metrics and simplified dashboards, ultimately strengthening incident response and decision-making for the engineering team during this period.