Claim](https://github.com/kubernetes/enhancements/issues/499), making it impossible to delete storage that is in use by a pod.

This release also includes [Topology Aware Volume Scheduling](https://github.com/kubernetes/enhancements/issues/490) for local persistent volumes, the stable release of [Detailed storage metrics of internal state](https://github.com/kubernetes/enhancements/issues/496), and beta support for [Out-of-tree CSI Volume Plugins](https://github.com/kubernetes/enhancements/issues/178)....

### SIG-storage

SIG Storage promoted the [Kubernetes volume topology feature](https://github.com/kubernetes/enhancements/issues/490) to beta. This enables Kubernetes to understand and act intelligently on volume accessibility information (such as the “zone” a cloud volume is provisioned in, the “rack” that a SAN array is accessible from, and so on).