* Fixes a flaw (CVE-2019-11253) in json/yaml decoding where large or malformed documents could consume excessive server resources. Request bodies for normal API requests (create/delete/update/patch operations of regular resources) are now limited to 3MB. ([#83261](https://github.com/kubernetes/kubernetes/pull/83261), [@liggitt](https://github.com/liggitt))...

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

#### CustomResourceDefinition OpenAPI Publishing

OpenAPI specs for native types have long been served at /openapi/v2, and they are consumed by a number of components, notably kubectl client-side validation, kubectl explain and OpenAPI based client generators.

## Changelog since v1.4.0-alpha.1

### Action Required

* Federation API server kubeconfig secret consumed by federation-controller-manager has a new name. ([#28938](https://github.com/kubernetes/kubernetes/pull/28938), [@madhusudancs](https://github.com/madhusudancs))

* Bump CNI consumers to v0.5.1 ([#43546](https://github.com/kubernetes/kubernetes/pull/43546), [@calebamiles](https://github.com/calebamiles))

- Updated an audit annotation key used by the `…/...

  * “kubectl run” now produces Deployments (instead of ReplicationControllers) and
Jobs (instead of Pods) by default.
  * Pods can now consume Secret data in environment variables and inject those
environment variables into a container’s command-line args.
  * Stable version of Heapster which scales up to 1000 nodes: more metrics, reduced

		* Restored the ability of kubectl running inside a pod to consume resource files specifying a different namespace than the one the pod is running in. ([#44862](https://github.com/kubernetes/kubernetes/pull/44862), [@liggitt](https://github.com/liggitt))

* Fix aggressive VM calls for Azure VMSS ([#83102](https://github.com/kubernetes/kubernetes/pull/83102), [@feiskyer](https://github.com/feiskyer))

- Reintroduce resourcequota.NewMonitor constructor for other consumers ([#120777](https://github.com/kubernetes/kubernetes/pull/120777), [@atiratree](https://github.com/atiratree)) [SIG Apps]