* NetworkPolicy has been moved from `extensions/v1beta1` to the new ([#39164](https://github.com/kubernetes/kubernetes/pull/39164), [@danwinship](https://github.com/danwinship))
	`networking.k8s.io/v1` API group. The structure remains unchanged from
	the beta1 API.
	The `net.beta.kubernetes.io/network-policy` annotation on Namespaces
	to opt in to isolation has been removed. Instead, isolation is now

- Kubeadm: enhance certs check-expiration to show the expiration info of related CAs ([#83932](https://github.com/kubernetes/kubernetes/pull/83932), [@SataQiu](https://github.com/SataQiu))
- Kubeadm: implemented structured output of 'kubeadm token list' in JSON, YAML, Go template and JsonPath formats ([#78764](https://github.com/kubernetes/kubernetes/pull/78764), [@bart0sh](https://github.com/bart0sh))

- Kube-proxy: added `--logging-format` flag to support structured logging. ([#117800](https://github.com/kubernetes/kubernetes/pull/117800), [@cyclinder](https://github.com/cyclinder))

## Dependencies

### Added
_Nothing has changed._

### Changed
- sigs.k8s.io/structured-merge-diff/v3: v3.0.0 → v3.0.1

### Removed
_Nothing has changed._



# v1.18.18


## Downloads for v1.18.18

### Source Code

filename | sha512 hash

  *  HorizontalPodAutoscaler was Beta in 1.1 and is GA in 1.2 .
     * <code>apiVersion: autoscaling/v1 </code>is now available.  Changes in this version are:
        * Field CPUUtilization which was a nested structure CPUTargetUtilization in
HorizontalPodAutoscalerSpec was replaced by TargetCPUUtilizationPercentage
which is an integer.
        * ScaleRef of type SubresourceReference in HorizontalPodAutoscalerSpec which

   ([#123384](https://github.com/kubernetes/kubernetes/pull/123384), [@aleksandra-malinowska](https://github.com/aleksandra-malinowska))
- In kubeadm, in the new output API 'output.kubeadm.k8s.io/v1alpha3', the UpgradePlan structure that is used when calling 'kubeadm upgrade plan ... -o yaml|json' was modified to include a list of multiple available upgrades.
   ([#123461](https://github.com/kubernetes/kubernetes/pull/123461), [@carlory](https://github.com/carlory))

## **Action Required Before Upgrading**

### Network

- The CustomResourcePublishOpenAPI feature is now beta and enabled by default. CustomResourceDefinitions with [structural schemas](https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/20190425-structural-openapi.md) now publish schemas in the OpenAPI document served at `/openapi/v2`. CustomResourceDefinitions with non-structural schemas have a `NonStructuralSchema` condition added with details about what needs to be corrected in the validation schema. ([...

- k8s.io/klog/v2: v2.100.1 → v2.110.1
- k8s.io/kube-openapi: 2695361 → 2dd684a
- k8s.io/utils: d93618c → 3b25d92
- sigs.k8s.io/apiserver-network-proxy/konnectivity-client: v0.1.2 → v0.28.0
- sigs.k8s.io/structured-merge-diff/v4: v4.2.3 → v4.4.1

### Removed
- cloud.google.com/go/dataproc: v1.12.0
- cloud.google.com/go/gaming: v1.9.0

### Structured Logging in Kubelet