Clement Nussbaumer developed BackupPVC Annotations Support for the vmware-tanzu/velero repository, enabling annotation-based configuration during BackupPVC creation to better support CSI providers with specific mount-time requirements. He implemented logic in Go to apply annotations during CSI snapshot handling, ensuring provider compatibility and reducing manual configuration steps. To improve reliability, Clement stabilized related tests and proactively initialized annotation maps to prevent nil dereference errors. His work in backend development and Kubernetes enhanced backup workflows for CSI-backed persistent volumes, aligning snapshot handling with annotation-aware processes and reducing runtime failures. This contribution deepened the project’s cloud native capabilities and improved backup reliability.