Aran Shavit developed a configurable revisionHistoryLimit feature for cert-manager certificates across three Helm charts in the DrFaust92/helm-charts-2 repository. By exposing retention controls in values.yaml and updating chart templates, Aran enabled users to manage certificate lifecycles more effectively within Kubernetes environments. The work focused on cross-chart consistency, ensuring that prometheus-operator-admission-webhook, kube-prometheus-stack, and prometheus-adapter all supported the new option. Using YAML and Helm, Aran aligned documentation and versioning to streamline upgrades and maintain clarity for users. This feature-driven contribution demonstrated depth in DevOps practices and improved operational flexibility for certificate management without introducing new bugs.