### CSI Migration - AzureDisk and vSphere (beta)
 
In-tree volume plugins and all cloud provider dependencies are being moved out of the Kubernetes core. The CSI migration feature allows existing volumes using the legacy APIs to continue to function even when the code has been removed, by routing all the volume operations to the respective CSI driver. The AzureDisk and vSphere implementations of this feature have been promoted to beta.

### Storage capacity tracking