* `cluster/gke` has been removed. GKE end-to-end testing should be done using `kubetest --deployment=gke` ([#50338](https://github.com/kubernetes/kubernetes/pull/50338), [@zmerlynn](https://github.com/zmerlynn))
* kubeadm: Upload configuration used at 'kubeadm init' time to ConfigMap for easier upgrades ([#50320](https://github.com/kubernetes/kubernetes/pull/50320), [@luxas](https://github.com/luxas))

- Kubeadm: do not upload kubelet patch configuration into `kube-system/kubelet-config` ConfigMap ([#123107](https://github.com/kubernetes/kubernetes/pull/123107), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

- `kubeadm`: fixed a bug where the uploaded kubelet configuration in `kube-system/kubelet-config` `ConfigMap` does not respect user patch ([#115575](https://github.com/kubernetes/kubernetes/pull/115575), [@SataQiu](https://github.com/SataQiu))

* Container runtime daemon (e.g. dockerd) logs in GCE cluster will be uploaded to stackdriver and elasticsearch with tag `container-runtime`. ([#59103](https://github.com/kubernetes/kubernetes/pull/59103), [@Random-Liu](https://github.com/Random-Liu))

- It is now possible to upload certificates required to join a new control-plane to kubeadm-certs secret using the flag `--experimental-upload-certs` on `init` or upload-certs phase. ([#73907](https://github.com/kubernetes/kubernetes/pull/73907), [@yagonobre](https://github.com/yagonobre))

- Kubeadm: do not upload kubelet patch configuration into `kube-system/kubelet-config` ConfigMap ([#123108](https://github.com/kubernetes/kubernetes/pull/123108), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

   ([#123562](https://github.com/kubernetes/kubernetes/pull/123562), [@jpbetz](https://github.com/jpbetz))
- Fixed a `1.27.0+` regression in kubeadm: The kubelet patch configuration will not be uploaded into the `kube-system/kubelet-config` ConfigMap anymore.
   ([#123093](https://github.com/kubernetes/kubernetes/pull/123093), [@SataQiu](https://github.com/SataQiu))

- Kubeadm: add the "--kubeconfig" flag to the "kubeadm init phase upload-certs" command to allow users to pass a custom location for a kubeconfig file. ([#94765](https://github.com/kubernetes/kubernetes/pull/94765), [@zhanw15](https://github.com/zhanw15)) [SIG Cluster Lifecycle]

 - The 'kubeadm config upload' command is finally removed after a full GA deprecation cycle. If you still use it, please, use 'kubeadm init phase upload-config' instead ([#92610](https://github.com/kubernetes/kubernetes/pull/92610), [@rosti](https://github.com/rosti)) [SIG Cluster Lifecycle]