### Structured Logging in Kubelet

- Structured logging of NamespacedName was inconsistent with klog.KObj. Now both use lower case field names and namespace is optional. ([#117238](https://github.com/kubernetes/kubernetes/pull/117238), [@pohly](https://github.com/pohly)) [SIG API Machinery, Architecture...

### CLI

* Use structured generator for kubectl autoscale.  ([#55913](https://github.com/kubernetes/kubernetes/pull/55913), [@wackxu](https://github.com/wackxu))

- kubeadm: JoinConfiguration now houses the discovery options in a nested Discovery structure, which in turn has a couple of other nested structures to house more specific options (BootstrapTokenDiscovery and FileDiscovery) ([#67763](https://github.com/kubernetes/kubernetes/pull/67763), [@rosti](https://github.com/rosti))

 ([#64792](https://github.com/kubernetes/kubernetes/pull/64792), [@luxas](https://github.com/luxas))

  *  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

* 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