* Kubernetes 1.12 also enables [Kubelet device plugin registration](https://github.com/kubernetes/enhancements/issues/595) feature by default. Before upgrading to 1.12, ensure the `driver-registrar` CSI sidecar container for your CSI driver is configured to handle plugin registration (set the `--kubel...

    * --google-json-key
    * --log_cadvisor_usage
    * --machine_id_file
    * --storage_driver_user
    * --storage_driver_password
    * --storage_driver_host
    * --storage_driver_db
    * --storage_driver_table
    * --storage_driver_secure
    * --storage_driver_buffer_duration

([#57613](https://github.com/kubernetes/kubernetes/pull/57613), [@mtaufen](https://github.com/mtaufen))

  as it requires installation of AzureFile CSI Driver. Users should enable CSIMigration and
  CSIMigrationAzureFile features and install the [AzureFile CSI Driver](https://github.com/kubernetes-sigs/azurefile-csi-driver)
  to avoid disruption to existing Pod and PVC objects at that time. Azure File CSI driver does not support using same persistent

message CSIVolumeSource {
  // driver is the name of the CSI driver that handles this volume.
  // Consult with your admin for the correct name as registered in the cluster.
  optional string driver = 1;

  // readOnly specifies a read-only configuration for the volume.
  // Defaults to false (read/write).
  // +optional
  optional bool readOnly = 2;

* Docker versions 1.10.3, 1.11.2, 1.12.6 have been validated
  * Docker version 1.12.6 known issues
    * overlay2 driver not fully supported
    * live-restore not fully supported
    * no shared pid namespace support
  * Docker version 1.11.2 known issues
    * Kernel crash with Aufs storage driver on Debian Jessie ([#27885](https://github.com/kubernetes/kubernetes/issues/27885))

- The in-tree...

- Unlocked the `CSIMigrationvSphere` feature gate.
  The change allow users to continue using the in-tree vSphere driver,pending a vSphere
  CSI driver release that has with GA support for Windows, XFS, and raw block access. ([#116342](https://github.com/kubernetes/kubernetes/pull/116342), [@msau42](https://github.com/msau42)) [SIG Storage]

* Fixed a bug in the CSI metrics that does not return not supported error when a CSI driver does not support metrics. ([#79851](https://github.com/kubernetes/kubernetes/pull/79851), [@jparklab](https://github.com/jparklab))
* Fix a bug in server printer that could cause kube-apiserver to panic. ([#79349](https://github.com/kubernetes/kubernetes/pull/79349), [@roycaihw](https://github.com/roycaihw))

* Fix a scalability issue where high rates of event writes degraded etcd performance. ([#64539](https://github.com/kubernetes/kubernetes/pull/64539), [@ccding](https://github.com/ccding))

- Promote CSIMigrationOpenStack to Beta (off by default since it requires installation of the OpenStack Cinder CSI Driver. The in-tree AWS OpenStack Cinder driver "kubernetes.io/cinder" was deprecated in 1.16 and will be removed in 1.20. Users should enable CSIMigration + CSIMigrationOpenStack features and install the OpenStack Cinder CSI Driver (https://github.com/kubernetes/cloud-provider-openstack) to avoid disruption to existing Pod and PVC objects at that time. Users should...