- The `batch/v2alpha1.ScheduledJob` was removed. Use `batch/v1beta1.CronJob` instead.

### Auth

 - The RBAC v1alpha1 API group is deprecated in favor of RBAC v1.

 - The API server flag `--experimental-bootstrap-token-auth` is deprecated in favor of `--enable-bootstrap-token-auth`. The `--experimental-bootstrap-token-auth` flag will be removed in version 1.9.

### Autoscaling

	if err != nil {
		s.writeErrorResponse(w, err)
		return
	}

	globalEventNotifier.AddRulesMap(bucketName, rulesMap)
}

// HealthHandler - returns true of health
func (s *peerRESTServer) HealthHandler(w http.ResponseWriter, r *http.Request) {
	s.IsValid(w, r)
}

// VerifyBinary - verifies the downloaded binary is in-tact

- Added a config-mode flag in azure auth module to enable getting AAD token without spn: prefix in audience claim. When it's not specified, the default behavior doesn't change. ([#87630](https://github.com/kubernetes/kubernetes/pull/87630), [@weinong](https://github.com/weinong)) [SIG API Machinery, Auth, CLI and Cloud Provider]

- Kubeadm: make sure that it is possible to health check the kube-apiserver when it has --anonymous-auth=false set and the WaitForAllControlPlaneComponents feature gate is enabled. ([#131036](https://github.com/kubernetes/kubernetes/pull/131036), [@neolit123](https://...

* GCE/GKE load balancer health check default interval changes from 2 seconds to 8 seconds, unhealthyThreshold to 3. ([#70099](https://github.com/kubernetes/kubernetes/pull/70099), [@grayluck](https://github.com/grayluck))
    * Health check parameters are configurable to be bigger than default values.

* GCE/GKE load balancer health check default interval changes from 2 seconds to 8 seconds, unhealthyThreshold to 3. ([#70099](https://github.com/kubernetes/kubernetes/pull/70099), [@grayluck](https://github.com/grayluck))
    * Health check parameters are configurable to be bigger than default values.



# v1.12.2

### CSI Health Monitoring

- Conflicting issuers between JWT authenticators and service account config are now detected and fail on API server startup.  Previously such a config would run but would be inconsistently effective depending on the credential. ([#123561](https://github.com/kubernetes/kubernetes/pull/123561), [@enj](https://github.com/enj)) [SIG API Machinery and Auth]

- Kube-proxy handles Terminating EndpointSlices conditions and enables zero downtime deployments for Services with ExternalTrafficPolicy=Local author: @andrewsykim ([#117718](https://github.com/kubernetes/kubernetes/pull/117718), [@aojea](https://github.com/aojea)) [SIG Network, Testing and Windows]

  - [Introduction to 1.9.0](#introduction-to-190)
  - [Major themes](#major-themes)
    - [API Machinery](#api-machinery)
    - [Apps](#apps)
    - [Auth](#auth)
    - [AWS](#aws)
    - [Azure](#azure)
    - [Cluster Lifecycle](#cluster-lifecycle)
    - [Instrumentation](#instrumentation)
    - [Network](#network)
    - [Node](#node)
    - [OpenStack](#openstack)