Julien contributed to the grafana/helm-charts repository by delivering a feature enhancement to the Grafana Tempo Helm chart, focusing on improving persistence and PVC labeling. He implemented changes that allow for more granular labeling of persistent volume claim templates and refined the persistence configuration for both the ingester and metrics generator components. This work, carried out using YAML templating and Helm, aimed to increase deployment reliability and operational clarity for Kubernetes users. Julien incremented the chart version to ensure safer upgrades and clearer release tracking. Over the month, he concentrated on feature delivery and code quality, demonstrating strong DevOps and Kubernetes skills.