// +optional
  optional string cachingMode = 3;

  // fsType is Filesystem type to mount.
  // Must be a filesystem type supported by the host operating system.
  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
  // +optional
  optional string fsType = 4;

  // readOnly Defaults to false (read/write). ReadOnly here will force

* GCE: Fix for internal load balancer management resulting in backend services with outdated instance group links. ([#62887](https://github.com/kubernetes/kubernetes/pull/62887), [@nicksardo](https://github.com/nicksardo))
* respect fstype in Windows for azure disk ([#61267](https://github.com/kubernetes/kubernetes/pull/61267), [@andyzhangx](https://github.com/andyzhangx))

This release supports more of Kubernetes API for pods and containers on Windows, including:

* Metrics for Pod, Container, Log filesystem
* The run_as_user security contexts
* Local persistent volumes and fstype for Azure disk

Improvements in Windows Server version 1803 also bring new storage functionality to Kubernetes v1.11, including:

* Volume mounts for ConfigMap and Secret

- Includes FSType when describing CSI persistent volumes. ([#85293](https://github.com/kubernetes/kubernetes/pull/85293), [@huffmanca](https://github.com/huffmanca)) [SIG CLI and Storage]

* Fixes a NPD bug on GCI, so that it disables glog writing to files for log-counter ([#76211](https://github.com/kubernetes/kubernetes/pull/76211), [@wangzhen127](https://github.com/wangzhen127))
* Fixed parsing of fsType in AWS StorageClass parameters ([#75943](https://github.com/kubernetes/kubernetes/pull/75943), [@jsafrane](https://github.com/jsafrane))

* Fix insufficient permissions to read/write volumes when mounting them with a subPath. ([#43775](https://github.com/kubernetes/kubernetes/pull/43775), [@wongma7](https://github.com/wongma7))
* vSphere cloud provider: Allow specifying fstype in storage class. ([#41929](https://github.com/kubernetes/kubernetes/pull/41929), [@abrarshivani](https://github.com/abrarshivani))

    * [fluentd-gcp addon] Bump prometheus-to-sd to v0.5.0 to pick up security fixes.
    * [metatada-proxy addon] Bump prometheus-to-sd v0.5.0 to pick up security fixes.
* Fixed parsing of fsType in AWS StorageClass parameters ([#75944](https://github.com/kubernetes/kubernetes/pull/75944), [@jsafrane](https://github.com/jsafrane))

* `kubectl drain` no longer spins trying to delete pods that do not exist ([#49444](https://github.com/kubernetes/kubernetes/pull/49444), [@eparis](https://github.com/eparis))
* Support specifying of FSType in StorageClass ([#45345](https://github.com/kubernetes/kubernetes/pull/45345), [@codablock](https://github.com/codablock))