*   [alpha] Container Storage Interface
    *   New CSIVolumeSource enables Kubernetes to use external CSI drivers to provision, attach, and mount volumes.
*   [alpha] Raw block volumes
    *   Support for surfacing volumes as raw block devices added to Kubernetes storage system.
    *   Only Fibre Channel volume plugin supports exposes this functionality, in this release.
*   [alpha] Volume resizing

* gitRepo volumes in pods no longer require git 1.8.5 or newer; older git versions are now supported. ([#62394](https://github.com/kubernetes/kubernetes/pull/62394), [@jsafrane](https://github.com/jsafrane))

- Now users can get object info like:

  ```bash
    a. kubectl get pod test-pod -o custom-columns=CONTAINER:.spec.containers[0:3].name
    b. kubectl get pod test-pod -o custom-columns=CONTAINER:.spec.containers[-2:].name
  ```

([#73063](https://github.com/kubernetes/kubernetes/pull/73063), [@WanLinghao](https://github.com/WanLinghao))

With Kubernetes v1.12, SIG Storage also introduced alpha support for [volume snapshotting](https://github.com/kubernetes/enhancements/issues/177). This feature introduces the ability to create/delete volume snapshots and create new volumes from a snapshot using the Kubernetes API.

#### Volume Plugins

    * see https://kubernetes.io/docs/user-guide/persistent-volumes/#class-1 for details.
* Reduce verbosity of volume reconciler when attaching volumes ([#36900](https://github.com/kubernetes/kubernetes/pull/36900), [@codablock](https://github.com/codablock))

* Get command uses OpenAPI schema to enhance display for a resource if run with flag 'use-openapi-print-columns'.  ([#46235](https://github.com/kubernetes/kubernetes/pull/46235), [@droot](https://github.com/droot))
    * An example command:
    * kubectl get pods --use-openapi-print-columns

#### Storage

- The `Node.Status.Volumes.Attached.DevicePath` field is now unset for CSI volumes. You must update any external controllers that depend on this field. ([#75799](https://github.com/kubernetes/kubernetes/pull/75799), [@msau42](https://github.com/msau42))

### Security Improvements for CSI Drivers (Alpha)

  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistent-volumes
  // +optional
  optional PersistentVolumeSpec spec = 2;

  // status represents the current information/status for the persistent volume.
  // Populated by the system.
  // Read-only.
  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistent-volumes
  // +optional
  optional PersistentVolumeStatus status = 3;