In addition, users can now create multiple versions of CustomResourceDefinitions, but without any kind of automatic conversion, and CustomResourceDefinitions now allow specification of additional columns for `kubectl get` output via the `spec.additionalPrinterColumns` field.

### SIG Auth

</p>

<p>
If the capacity of <code>s</code> is not large enough to fit the additional
values, <code>append</code> <a href="#Allocation">allocates</a> a new, sufficiently large underlying
array that fits both the existing slice elements and the additional values.
Otherwise, <code>append</code> re-uses the underlying array.
</p>

<pre>
s0 := []int{0, 0}

- Kube-apiserver: multiple comma-separated protocols in a single X-Stream-Protocol-Version header are now recognized, in addition to multiple headers, complying with RFC2616 ([#89857](https://github.com/kubernetes/kubernetes/pull/89857), [@tedyu](https://github.com/tedyu)) [SIG API Machinery]

  a) transformation error e.g. decryption failure, or b) the object failed to decode. Normal deletion flow is
  attempted first, and if it fails with a corrupt resource error then it triggers unsafe delete.
  In addition, when this feature is enabled, the 'details' field of 'Status' from the LIST response
  includes information that identifies the corrupt object(s).

## Changelog since v1.6.8

### Other notable changes

* StatefulSet: Set hostname/subdomain fields on new Pods in addition to the deprecated annotations, to allow mitigation of Pod DNS issues upon upgrading to Kubernetes v1.7.x. ([#50942](https://github.com/kubernetes/kubernetes/pull/50942), [@enisoc](https://github.com/enisoc))

      - [Affected Versions](#affected-versions)
    - [How do I mitigate this vulnerability?](#how-do-i-mitigate-this-vulnerability)
      - [Fixed Versions](#fixed-versions)
    - [Detection](#detection)
      - [Additional Details](#additional-details)
      - [Acknowledgements](#acknowledgements)
  - [Changes by Kind](#changes-by-kind-2)
    - [Bug or Regression](#bug-or-regression-2)
  - [Dependencies](#dependencies-3)
    - [Added](#added-3)

SIG Windows is also including several addition to this release:
 - Direct Server Return (DSR) mode support, allowing large numbers of services to scale up efficiently
 - Windows containers  now honor CPU limits

- Kubelet: Extended the `--image-credential-provider-config` flag to accept a directory path in addition to a single file. When a directory was specified, all .json, .yaml, and .yml files in that directory were loaded and merged in lexicographical order. ([#131658](https://github.com/kubernetes/kubernetes/pull/131658), [@dims](https://github.com/dims))...

  - [beta] `kube-apiserver` now publishes a swagger 2.0 spec in addition to a swagger 1.2 spec ([kubernetes/features#53](https://github.com/kubernetes/enhancements/issues/53))

* In order to bypass graceful deletion of pods (to immediately remove the pod from the API) the user must now provide the `--force` flag in addition to `--grace-period=0`.  This prevents users from accidentally force deleting pods without being aware of the consequences of force deletion.  Force deleting pods for resources like StatefulSets can result in multiple pods with the same name having...