* Some field names in the Kubelet's now v1beta1 config API differ from the v1alpha1 API: for example, PodManifestPath is renamed to StaticPodPath, ManifestURL is renamed to StaticPodURL, and ManifestURLHeader is renamed to StaticPodURLHeader. Users should focus on switching to the v1beta1 API. ([#60314](https://github.com/kubernetes/kubernetes/pull/60314), [@mtaufen](https://github.com/mtaufen))

- Fixed service issues with named targetPort for Windows ([#70076](https://github.com/kubernetes/kubernetes/pull/70076), [@feiskyer](https://github.com/feiskyer))
- Handle Windows named pipes in host mounts. ([#69484](https://github.com/kubernetes/kubernetes/pull/69484), [@ddebroy](https://github.com/ddebroy))

- When scaling down a ReplicaSet, delete doubled up replicas first, where a "doubled up replica" is defined as one that is on the same node as an active replica belonging to a related ReplicaSet.  ReplicaSets are considered "related" if they have a common controller (typically a Deployment). ([#80004](https://github.com/kubernetes/kubernetes/pull/80004), [@Miciah](https://github.com/Miciah))

  - Rename `PreemptionByKubeScheduler` to `PreemptionByScheduler` ([#114623](https://github.com/kubernetes/kubernetes/pull/114623), [@Huang-Wei](https://github.com/Huang-Wei))

- The `NodeConfiguration` kind in the kubeadm v1alpha2 API has been renamed `JoinConfiguration` in v1alpha3 ([#65951](https://github.com/kubernetes/kubernetes/pull/65951), [@luxas](https://github.com/luxas)) Courtesy of SIG Cluster Lifecycle

- '`kubelet_kubelet_credential_provider_plugin_duration` was renamed to `kubelet_credential_provider_plugin_duration`
  and `kubelet_kubelet_credential_provider_plugin_errors` was renamed to `kubelet_credential_provider_plugin_errors`.'
   ([#113754](https://github.com/kubernetes/kubernetes/pull/113754), [@logicalhan](https://github.com/logicalhan))

  - `node_cpu_usage_seconds_total`
  - `node_memory_working_set_bytes`
  - `pod_cpu_usage_seconds_total`
  - `pod_memory_working_set_bytes`
  - `resource_scrape_error`
  
  Deprecated (renamed) `scrape_error` in favor of `resource_scrape_error` ([#116897](https://github.com/kubernetes/kubernetes/pull/116897), [@Richabanker](https://github.com/Richabanker)) [SIG Architecture, Instrumentation, Node and Testing]

* Remove the deprecated vsphere kube-up. ([#39140](https://github.com/kubernetes/kubernetes/pull/39140), [@kerneltime](https://github.com/kerneltime))

### kubeadm

  - The PostFilter of scheduler framework is renamed to PreScore in kubescheduler.config.k8s.io/v1alpha2. ([#87751](https://github.com/kubernetes/kubernetes/pull/87751), [@skilxn-go](https://github.com/skilxn-go)) [SIG Scheduling and Testing]
 
#### kube-proxy:

  It will affect some metrics values related to the InterPodAffinity Score plugin. ([#117794](https://github.com/kubernetes/kubernetes/pull/117794), [@utam0k](https://github.com/utam0k)) [SIG Scheduling]
- The scheduler skips the `PodTopologySpread` Filter plugin if no spread constraints.