cause DNS problems when DNS pods were restarted. ([#127808](https://github.com/kubernetes/kubernetes/pull/127808), [@danwinship](https://github.com/danwinship)) [SIG Network]
- Kubeadm: fix wrong member list reported when removing an etcd member ([#127962](https://github.com/kubernetes/kubernetes/pull/127962), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

    - [Introducing <code>RootCAConfigMap</code>](#introducing-rootcaconfigmap)
    - [<code>kubectl debug</code> graduates to Beta](#kubectl-debug-graduates-to-beta)
    - [Removing deprecated flags in kubeadm](#removing-deprecated-flags-in-kubeadm)
    - [Pod Hostname as FQDN graduates to Beta](#pod-hostname-as-fqdn-graduates-to-beta)

### SIG Openstack

- The Job controller now considers sidecar container restart counts when removing pods. ([#124952](https://github.com/kubernetes/kubernetes/pull/124952), [@AxeZhan](https://github.com/AxeZhan)) [SIG Apps and CLI]

 * @param <S> the type of the {@link Segment} entry implementation used internally
 * @author Bob Lee
 * @author Charles Fry
 * @author Doug Lea ({@code ConcurrentHashMap})
 */
// TODO(kak): Consider removing @CanIgnoreReturnValue from this class.
@J2ktIncompatible
@GwtIncompatible
@SuppressWarnings({
  "GuardedBy", // TODO(b/35466881): Fix or suppress.
  "nullness", // too much trouble for the payoff
})

- Fix scheduler crash when removing node before its pods ([#89908](https://github.com/kubernetes/kubernetes/pull/89908), [@alculquicondor](https://github.com/alculquicondor)) [SIG Scheduling]

 * @param <S> the type of the {@link Segment} entry implementation used internally
 * @author Bob Lee
 * @author Charles Fry
 * @author Doug Lea ({@code ConcurrentHashMap})
 */
// TODO(kak): Consider removing @CanIgnoreReturnValue from this class.
@J2ktIncompatible
@GwtIncompatible
@SuppressWarnings({
  "GuardedBy", // TODO(b/35466881): Fix or suppress.
  "nullness", // too much trouble for the payoff
})

- Fix a bug that a preemptor pod may exist as a phantom in the scheduler. ([#102498](https://github.com/kubernetes/kubernetes/pull/102498), [@Huang-Wei](https://github.com/Huang-Wei)) [SIG Scheduling]
- Fix removing pods from podTopologyHints mapping ([#101892](https://github.com/kubernetes/kubernetes/pull/101892), [@aheng-ch](https://github.com/aheng-ch)) [SIG Node]

* have basic kubectl crud agnostic of registered types ([#36085](https://github.com/kubernetes/kubernetes/pull/36085), [@deads2k](https://github.com/deads2k))
* Fix how we iterate over active jobs when removing them for Replace policy ([#36161](https://github.com/kubernetes/kubernetes/pull/36161), [@soltysh](https://github.com/soltysh))

- Kubectl explain should correctly work for all resources ([#118876](https://github.com/kubernetes/kubernetes/pull/118876), [@atiratree](https://github.com/atiratree)) [SIG CLI]
- Only declare Job as finished after removing all Pod finalizers to avoid orphan Pods ([#119160](https://github.com/kubernetes/kubernetes/pull/119160), [@alculquicondor](https://github.com/alculquicondor)) [SIG Apps and Testing]