optional ObjectReference target = 2;
}

// Represents storage that is managed by an external CSI volume driver (Beta feature)
message CSIPersistentVolumeSource {
  // driver is the name of the driver to use for this volume.
  // Required.
  optional string driver = 1;

  // volumeHandle is the unique volume name returned by the CSI volume

 - Deprecated support for CSI migration of `Ceph RBD volumes`. Users who were relying on Kubernetes' ability

- 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]

* [alpha] Improve Flex volume deployment

  * Flex volume driver deployment is simplified in the following ways:

    * New driver files can now be automatically discovered and initialized without requiring a kubelet or controller-manager restart.

    * A sample DaemonSet to deploy Flexvolume drivers is now available.

- 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. ([#116396](https://github.com/kubernetes/kubernetes/pull/116396), [@msau42](https://github.com/msau42)) [SIG Storage]

### Bug or Regression

- Fixed migration of in-tree vSphere volumes to the CSI driver. ([#122341](https://github.com/kubernetes/kubernetes/pull/122341), [@jsafrane](https://github.com/jsafrane)) [SIG Storage]

Nevertheless, as this would mean waiting for the response to travel through the network while unnecessarily holding a resource in a dependency with yield (for example a database connection), this was changed in FastAPI 0.106.0.