### Beta

*   An example CRD controller has been added, at [github.com/kubernetes/sample-controller](https://github.com/kubernetes/sample-controller). ([#52753](https://github.com/kubernetes/kubernetes/pull/52753),[ @munnerz](https://github.com/munnerz))

- The sample-apiserver aggregated conformance test has updated to use the Kubernetes v1.17.0 sample apiserver ([#84735](https://github.com/kubernetes/kubernetes/pull/84735), [@liggitt](https://github.com/liggitt)) [SIG API Machinery, Architecture, CLI and Testing]

CSI was first introduction as alpha in Kubernetes v1.9 and moved to beta in Kubernetes v1.10.

You can find a list of sample and production drivers in the [CSI Documentation](https://kubernetes.io/docs/concepts/storage/volumes/#csi).

- Improve CPU sample sanitization in HPA by taking metric's freshness into account. ([#68068](https://github.com/kubernetes/kubernetes/pull/68068), [@krzysztof-jastrzebski](https://github.com/krzysztof-jastrzebski))

    <sub-class-of type="application/vnd.apple.iwork" />
    <glob pattern="*.pages"/>
  </mime-type>
  <mime-type type="application/vnd.apple.numbers">
    <root-XML localName="document" namespaceURI="http://developer.apple.com/namespaces/ls" />
    <sub-class-of type="application/vnd.apple.iwork" />
    <glob pattern="*.numbers"/>
  </mime-type>

Example-3.jpg...

Example-3.png...

- Fixed recursive LIST from watch cache returning object matching key. ([#125584](https://github.com/kubernetes/kubernetes/pull/125584), [@serathius](https://github.com/serathius)) [SIG API Machinery and Testing]
- Fixed sample-cli-plugin help text to be consistent and always use `kubectl ns`. ([#125641](https://github.com/kubernetes/kubernetes/pull/125641), [@nirs](https://github.com/nirs))

- Kubelet could be run with no Azure identity without subscriptionId configured now.
  A sample cloud provider configure is: '{"vmType": "vmss", "useInstanceMetadata": true}'. ([#81500](https://github.com/kubernetes/kubernetes/pull/81500), [@feiskyer](https://github.com/feiskyer))