CHANGELOG for kubeadm releases:

Incorporated the system verification that validates the node before trying to run kubeadm check into the preflight checks #36334
The control plane version automatically defaults to the latest stable version of kubernetes #37222
Use etcd-3.0.14 as the default etcd version #35921
Added a new command: kubeadm token generate #35144
kubeadm reset drains the node it's run on and defaults to removing the node from the API Server as well #37831
Updated the DNS addon to the v1.5 version #37835
kubeadm now auto-starts the kubelet systemd service if inactive #37568
Made the console output of kubeadm much cleaner and user-friendly #37568
kubectl logs and kubectl exec can now be used with kubeadm clusters #37568
Changed SELinux directive from unconfined_t to spc_t on some control plane Pods #37327
Removes the content of /etc/cni/net.d when running kubeadm reset #37831
Mount /etc/pki into the control plane containers if present #36373
The image repository prefix can be changed via the environment variable KUBE_REPO_PREFIX as a temporary solution #35948
The logging level for components are now --v=2 #35933
Better preflight checks in general #35972, #37084, #37498, #37524, #36083
New unit tests: #36106, #36263
Other improvements: #36040, #36625, #36474, #37494, #36025

Switch to the 10.96.0.0/12 subnet: #35290
Fix kubeadm on AWS by including /etc/ssl/certs in the controller-manager #33681
The API was refactored and is now componentconfig: #33728, #34147 and #34555
Allow kubeadm to get config options from a file: #34501, #34885 and #34891
Implement preflight checks: #34341 and #35843
Using kubernetes v1.4.4 by default: #34419 and #35270
Make api and discovery ports configurable and default to 6443: #34719
Implement kubeadm reset: #34807
Make kubeadm poll/wait for endpoints instead of directly fail when the master isn't available #34703 and #34718
Allow empty directories in the directory preflight check: #35632
Started adding unit tests: #35231, #35326 and #35332
Various enhancements: #35075, #35111, #35119, #35124, #35265 and #35777
Bug fixes: #34352, #34558, #34573, #34834, #34607, #34907 and #35796

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