### 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

pkg syscall (freebsd-386-cgo), const VSUSP ideal-int
pkg syscall (freebsd-386-cgo), const VTIME ideal-int
pkg syscall (freebsd-386-cgo), const VWERASE ideal-int
pkg syscall (freebsd-386-cgo), const WCONTINUED ideal-int
pkg syscall (freebsd-386-cgo), const WCOREFLAG ideal-int
pkg syscall (freebsd-386-cgo), const WLINUXCLONE ideal-int
pkg syscall (freebsd-386-cgo), const WNOHANG ideal-int

  - Clients should reload the token from disk periodically (once per minute is recommended) to ensure they continue to use a valid token. `k8s.io/client-go` version v11.0.0+ and v0.15.0+ reload tokens automatically.

address of `http://localhost:8080`. If you own one of these legacy clusters, you are *strongly* encouraged to secure your server. If you cannot secure your server, you can set the `$KUBERNETES_MASTER` environment variable to `http://localhost:8080` to continue defaulting the server address. `kubectl` users can also set the server address using the `--server` flag, or in a kubeconfig file specified via `--kubeconfig` or `$KUBECONFIG`. ([#86173](https://github.com/kubernetes/kubernetes/pull/86173), [@so...