- Generated OpenAPI model packages for API types into `zz_generated.model_name.go` files, accessible via the `OpenAPIModelName()` function. This allows API authors to declare desired OpenAPI model packages instead of relying on the Go package path of API types. ([#131755](https://github.com/kubernetes/kubernetes/pull/131755), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery, Apps, Architecture, Auth, CLI, Cloud...

- Pods which set `hostNetwork: true` and declare ports, get the `hostPort` field set automatically. Previously this would happen in the PodTemplate of a Deployment, DaemonSet or other workload API.  Now `hostPort` will only be set when an actual Pod is being created.  If this presents a problem,...

       * be used with collections that may contain null. This collection never contains nulls, so we
       * could return `Object[]`. But this class is private and J2KT cannot change return types in
       * overrides, so we declare `@Nullable Object[]` as the return type.
       */
      return standardToArray();
    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations

       * be used with collections that may contain null. This collection never contains nulls, so we
       * could return `Object[]`. But this class is private and J2KT cannot change return types in
       * overrides, so we declare `@Nullable Object[]` as the return type.
       */
      return standardToArray();
    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations

* kubectl: ignore only update conflicts in the scaler ([#27048](https://github.com/kubernetes/kubernetes/pull/27048), [@kargakis](https://github.com/kargakis))
* Declare out of disk when there is no free inodes ([#28176](https://github.com/kubernetes/kubernetes/pull/28176), [@ronnielai](https://github.com/ronnielai))

- Kubeadm: explicitly set `priority` for static pods with `priorityClassName: system-node-critical` ([#119118](https://github.com/kubernetes/kubernetes/pull/119118), [@champtar](https://github.com/champtar)) [SIG Cluster Lifecycle]
- Only declare Job as finished after removing all Pod finalizers to avoid orphan Pods ([#119164](https://github.com/kubernetes/kubernetes/pull/119164), [@alculquicondor](https://github.com/alculquicondor)) [SIG Apps and Testing]

### Other notable changes

* Remove rescheduler from master. ([#64364](https://github.com/kubernetes/kubernetes/pull/64364), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))
* Declare IPVS-based kube-proxy GA ([#58442](https://github.com/kubernetes/kubernetes/pull/58442), [@m1093782566](https://github.com/m1093782566))

	**Action Required:** When upgrading to Kubernetes 1.7 (and a [network plugin](https://kubernetes.io/docs/tasks/administer-cluster/declare-network-policy/) that supports the new NetworkPolicy v1 semantics), you should consider the following.

* Fix port number and default Stackdriver Metadata Agent in daemon set configuration. ([#56576](https://github.com/kubernetes/kubernetes/pull/56576), [@kawych](https://github.com/kawych))
* Declare ipvs proxier beta ([#56623](https://github.com/kubernetes/kubernetes/pull/56623), [@m1093782566](https://github.com/m1093782566))

* kubectl could scale custom resource again ([#81342](https://github.com/kubernetes/kubernetes/pull/81342), [@knight42](https://github.com/knight42))
* a CSI driver that supports ephemeral inline volumes must explicitly declare that by providing a CSIDriver object where the new "mode" field is set to "ephemeral" or "persistent+ephemeral" ([#80568](https://github.com/kubernetes/kubernetes/pull/80568), [@pohly](https://github.com/pohly))