Pekka Rantala implemented release versioning synchronization across multiple Helm charts in the fmidev/helm-charts repository, focusing on the OpenGeoweb release. He coordinated version bumps for both backend services and frontend components, ensuring that chart and application versions remained aligned to prevent release drift. Using YAML and leveraging skills in CI/CD and version control, Pekka updated packaging and documentation, including README files, to reflect the new versioning scheme. This work streamlined deployment processes and improved traceability for future releases. The scope was focused but thorough, addressing a key aspect of release management and contributing to more reliable and maintainable deployments.