* The Kubelet now exports metrics that report the assigned (`node_config_assigned`), last-known-good (`node_config_last_known_good`), and active (`node_config_active`) config sources, and a metric indicating whether the node is experiencing a config-related error (`node_config_error`). The config source metrics always report the value `1`, and carry the `node_config_name`,...

  - The deprecated `--etcd-quorum-read` flag has been removed. Quorum reads are now always enabled when fetching data from etcd....

* kubeadm now accepts `--apiserver-extra-args`, `--controller-manager-extra-args` and `--scheduler-extra-args`, making it possible to override / specify additional flags for control plane components. One good example is to deploy Kubernetes with a different admission-control flag on API server. ([#58080](https://github.com/kubernetes/kubernetes/pull/58080), [@simonferquel](https://github.com/simonferquel))

      exists in k/k repo since we removed federation/, and I don't see it
      in https://github.com/kubernetes-sigs/kubefed/ either. I'm assuming
      that it's gone for good now.
  
  - bazel: output go_binary rule directly from go_binary_conditional_pure
    
    From: [@mikedanese](https://github.com/mikedanese):

      exists in k/k repo since we removed federation/, and I don't see it
      in https://github.com/kubernetes-sigs/kubefed/ either. I'm assuming
      that it's gone for good now.
  
  - bazel: output go_binary rule directly from go_binary_conditional_pure
    
    From: [@mikedanese](https://github.com/mikedanese):

* Exclude nodes labeled as master from LoadBalancer / NodePort; restores documented behaviour. ([#44745](https://github.com/kubernetes/kubernetes/pull/44745), [@justinsb](https://github.com/justinsb))
* Fix for [scaling down remaining good replicas when a failed Deployment is paused](https://github.com/kubernetes/kubernetes/issues/44436). ([#44616](https://github.com/kubernetes/kubernetes/pull/44616), [@kargakis](https://github.com/kargakis))