- kubeadm: enable secure serving for the kube-scheduler ([#80951](https://github.com/kubernetes/kubernetes/pull/80951), [@neolit123](https://github.com/neolit123))
- kubeadm: print the stack trace of an error for klog level `--v>=5` ([#80937](https://github.com/kubernetes/kubernetes/pull/80937), [@neolit123](https://github.com/neolit123))

- Print NotReady when pod is not ready based on its conditions. ([#88240](https://github.com/kubernetes/kubernetes/pull/88240), [@soltysh](https://github.com/soltysh)) [SIG CLI]

- Kubeadm: when a sub command is needed but not provided for a kubeadm command, print a help screen instead of showing a short message. ([#111277](https://github.com/kubernetes/kubernetes/pull/111277), [@chymy](https://github.com/chymy))

- Kubeadm: consistently print an 'error: ' prefix before errors. ([#132080](https://github.com/kubernetes/kubernetes/pull/132080), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

- Fix: After a Node is down and take some time to get back to up again, the mount point of the evicted Pods cannot be cleaned up successfully. (#111933) Meanwhile Kubelet will print the log `Orphaned pod "xxx" found, but error not a directory occurred when trying to remove the volumes dir` every 2 seconds. (#105536) ([#116134](https://github.com/kubernetes/kubernetes/pull/116134), [@cvvz](https://github.com/cvvz)) [SIG Node and...