- '`metav1.LabelSelectors` specified in API objects are now validated to ensure
  they do not contain invalid label values that will error at time of use. Existing
  invalid objects can be updated, but new objects are required to contain valid
  label selectors.'

                                    requirements are ANDed.
                                  type: object
                              type: object
                              x-kubernetes-map-type: atomic
                          type: object
                      type: object
                    hostname:
                      description: "Hostname specifies the virtual hostname to match

  This allows to set `Immutable` field in Secrets or ConfigMap object to mark their contents as immutable. ([#97615](https://github.com/kubernetes/kubernetes/pull/97615), [@wojtek-t](https://github.com/wojtek-t)) [SIG Apps, Architecture, Node and Testing]

### Feature

### Server-side Apply graduates to GA

- [`KT-63738`](https://youtrack.jetbrains.com/issue/KT-63738) K2: Some declarations are missing in the hierarchy of overridden symbols
- [`KT-62242`](https://youtrack.jetbrains.com/issue/KT-62242) K2: Uniformly treat enum entries as anonymous objects

                          type: object
                        type:
                          description: Type indicates if the route is being used for
                            forwarding or not.
                          type: string
                      type: object
                    type: array
                type: object
            type: object
        type: object
    served: true
    storage: true

### Bug or Regression

- Fixes a bug at kube-apiserver start where APIService objects for custom resources could be deleted and recreated. ([#118104](https://github.com/kubernetes/kubernetes/pull/118104), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Testing]

- Fixed a regression in `1.27.0` that resulted in `missing metadata in converted object` errors when modifying objects for multi-version custom resource definitions with a conversion strategy of `None`. ([#117301](https://github.com/kubernetes/kubernetes/pull/117301), [@ncdc](https://github.com/ncdc))

## Changelog since v1.27.0

## Changes by Kind

### Bug or Regression

- Fixes a regression in 1.27.0 that resulted in "missing metadata in converted object" errors when modifying objects for multi-version custom resource definitions with a conversion strategy of `None`. ([#117305](https://github.com/kubernetes/kubernetes/pull/117305), [@ncdc](https://github.com/ncdc)) [SIG API Machinery]

	//
	// See https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
	DeploymentLabels *structpb.Struct `protobuf:"bytes,14,opt,name=deploymentLabels,proto3" json:"deploymentLabels,omitempty"`
	// Labels that are added to Pilot pods.
	//
	// See https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/