* 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))

- github.com/golangplus/testing: [v1.0.0](https://github.com/golangplus/testing/tree/v1.0.0)
- github.com/google/martian: [v2.1.0+incompatible](https://github.com/google/martian/tree/v2.1.0)
- github.com/google/renameio: [v0.1.0](https://github.com/google/renameio/tree/v0.1.0)
- github.com/googleapis/gax-go/v2: [v2.0.5](https://github.com/googleapis/gax-go/tree/v2.0.5)
- github.com/gopherjs/gopherjs: [0766667](https://github.com/gopherjs/gopherjs/tree/0766667)

Renamed FeatureGate RequestManagement to APIPriorityAndFairness.  This feature gate is an alpha and has not yet been associated with any actual functionality. ([#85260](https://github.com/kubernetes/kubernetes/pull/85260), [@MikeSpreitzer](https://github...

- kubeadm: Validate kubeconfig files in case of external CA mode. ([#70537](https://github.com/kubernetes/kubernetes/pull/70537), [@yagonobre](https://github.com/yagonobre))
- kubeadm: The writable config file option for extra volumes is renamed to readOnly with a reversed meaning. With readOnly defaulted to false (as in pod specs). ([#70495](https://github.com/kubernetes/kubernetes/pull/70495), [@rosti](https://github.com/rosti))

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

### kubeadm

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

- This renames some coredns metrics, see https://github.com/coredns/coredns/blob/v1.11.0/plugin/forward/README.md#metrics. ([#129175](https://github.com/kubernetes/kubernetes/pull/129175), [@DamianSawicki](https://github.com/DamianSawicki)) [SIG Cloud Provider]

- '`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))

- 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

The Horizontal Pod Autoscaler changes include support for status conditions, and autoscaling on memory and custom metrics.

* The metrics APIs, `custom-metrics.metrics.k8s.io` and `metrics`, were moved from `v1alpha1` to `v1beta1`, and renamed to `custom.metrics.k8s.io` and `metrics.k8s.io`, respectively. If you have deployed a custom metrics adapter, ensure that it supports the new API version. If you have deployed Heapster in aggregated API server mode, upgrade Heapster to support the...