CustomResourceDefinitions also have new support for defaulting, with defaults specified using the `default` keyword in the OpenAPI validation schema. Defaults are set for unspecified fields in an object sent to the API, and when reading from etcd.

Defaulting will be available as alpha in Kubernetes 1.15 and requires structural schemas.

#### CustomResourceDefinition OpenAPI Publishing

	c.Assert(err, nil)
	// executing the HTTP request.
	response, err = s.client.Do(request)
	c.Assert(err, nil)
	// validating the response status code.
	c.Assert(response.StatusCode, http.StatusOK)
	// reading the response body.
	// response body is expected to have the copied content of the first uploaded object.
	object, err := io.ReadAll(response.Body)
	c.Assert(err, nil)
	c.Assert(string(object), "hello world")
}

* Add fallbacks to ARM API when getting empty node IP from Azure IMDS ([#69077](https://github.com/kubernetes/kubernetes/pull/69077), [@feiskyer](https://github.com/feiskyer))
* Deduplicate PATH items when reading plugins. ([#69089](https://github.com/kubernetes/kubernetes/pull/69089), [@soltysh](https://github.com/soltysh))

* On GCI, cleanup kubelet startup ([#35319](https://github.com/kubernetes/kubernetes/pull/35319), [@vishh](https://github.com/vishh))
* Add a retry when reading a file content from a container ([#35560](https://github.com/kubernetes/kubernetes/pull/35560), [@jingxu97](https://github.com/jingxu97))

			c.Lock()
			defer c.Unlock()
			c.state = srState{}
			c.enabled = false
		}
		return err
	}

	// attempt to read just the version key in the state file to ensure we
	// are reading a compatible version.
	var ver struct {
		Version int `json:"version"`
	}
	err = json.Unmarshal(buf, &ver)
	if err != nil {
		return err
	}
	if ver.Version != srStateFormatVersion1 {

### API Change

- 'ACTION REQUIRED: The Dynamic Resource Allocation (DRA) driver's DaemonSet
  must be deployed with a service account that enables writing ResourceSlice
  and reading ResourceClaim objects.'
   ([#125163](https://github.com/kubernetes/kubernetes/pull/125163), [@pohly](https://github.com/pohly)) [SIG Auth, Node and Testing]

- Fixed a bug in attachdetach controller that didn't properly handle kube-apiserver errors leading to stuck attachments/detachments. ([#108167](https://github.com/kubernetes/kubernetes/pull/108167), [@jfremy](https://github.com/jfremy))

                tailIndex = newIndex;
                tail = e;
              }
            }
            newTable.set(tailIndex, tail);

            // Clone nodes leading up to the tail.
            for (ReferenceEntry<K, V> e = head; e != tail; e = e.getNext()) {
              int newIndex = e.getHash() & newMask;
              ReferenceEntry<K, V> newNext = newTable.get(newIndex);

&:hover,\n  &:focus,\n  &:active {\n    @content;\n  }\n}\n","// stylelint-disable selector-list-comma-newline-after\n\n//\n// Headings\n//\n\nh1, h2, h3, h4, h5, h6,\n.h1, .h2, .h3, .h4, .h5, .h6 {\n  margin-bottom: $headings-margin-bottom;\n  font-family: $headings-font-family;\n  font-weight: $headings-font-weight;\n  line-height: $headings-line-height;\n  color: $headings-color;\n}\n\nh1, .h1 { @include font-size($h1-font-size); }\nh2, .h2 { @include font-size($h2-font-size); }\nh3, .h3 { @include...

* Get public IP for Azure vmss nodes. ([#68498](https://github.com/kubernetes/kubernetes/pull/68498), [@feiskyer](https://github.com/feiskyer))
* Deduplicate PATH items when reading plugins. ([#69170](https://github.com/kubernetes/kubernetes/pull/69170), [@soltysh](https://github.com/soltysh))



# v1.12.0

[Documentation](https://docs.k8s.io)

## Downloads for v1.12.0