* Ignore mirror pods with RestartPolicy == Never in restart tests ([#34462](https://github.com/kubernetes/kubernetes/pull/34462), [@yujuhong](https://github.com/yujuhong))
* Change image-puller restart policy to OnFailure ([#37070](https://github.com/kubernetes/kubernetes/pull/37070), [@gmarek](https://github.com/gmarek))

- Significant kube-proxy performance improvements when using Endpoint Slices at scale. ([#83206](https://github.com/kubernetes/kubernetes/pull/83206), [@robscott](https://github.com/robscott))

### Node
- Mirror pods now include an ownerReference for the node that created them. ([#84485](https://github.com/kubernetes/kubernetes/pull/84485), [@tallclair](https://github.com/tallclair))

  have been validated.
* The following deprecated kubelet flags are removed: `--config`, `--auth-path`,
  `--resource-container`, `--system-container`, `--reconcile-cidr`
* Remove the temporary fix for pre-1.0 mirror pods. Upgrade directly from
  pre-1.0 to 1.6 kubelet is not supported.
* Fluentd was migrated to Daemon Set, which targets nodes with
  beta.kubernetes.io/fluentd-ds-ready=true label. If you use fluentd in your

* kube-scheduler: Support extender managed extended resources in kube-scheduler ([#60332](https://github.com/kubernetes/kubernetes/pull/60332), [@yguo0905](https://github.com/yguo0905))

* Updated priority of mirror pod according to PriorityClassName. ([#58485](https://github.com/kubernetes/kubernetes/pull/58485), [@k82cn](https://github.com/k82cn))

* [GCE] Apiserver uses `InternalIP` as the most preferred kubelet address type by default. ([#59019](https://github.com/kubernetes/kubernetes/pull/59019), [@MrHohn](https://github.com/MrHohn))
* Updated priority of mirror pod according to PriorityClassName. ([#58485](https://github.com/kubernetes/kubernetes/pull/58485), [@k82cn](https://github.com/k82cn))

* Fixes a bug where kubelet crashes trying to free memory under memory pressure ([#58574](https://github.com/kubernetes/kubernetes/pull/58574), [@yastij](https://github.com/yastij))
* Updated priority of mirror pod according to PriorityClassName. ([#58485](https://github.com/kubernetes/kubernetes/pull/58485), [@k82cn](https://github.com/k82cn))

 - Static pods that reference API objects were denied admission by the kubelet so that static pods would not be silently running even after the mirror pod creation failed. ([#131837](https://github.com/kubernetes/kubernetes/pull/131837), [@sreeram-venkitesh](https://github.com/sreeram-venkitesh)) [SIG Auth, Node and Testing]

- Setting a mirror pod's phase to Succeeded or Failed can prevent the corresponding static pod from restarting due mutation of a Kubelet cache. ([#116482](https://github.com/kubernetes/kubernetes/pull/116482), [@smarterclayton](https://github.com/smarterclayton)) [SIG...

- The terminationGracePeriodSeconds from pod spec is respected for the mirror pod. ([#92442](https://github.com/kubernetes/kubernetes/pull/92442), [@tedyu](https://github.com/tedyu)) [SIG Node and Testing]

- Kubelet should ignore cgroup driver check on Windows node. ([#98384](https://github.com/kubernetes/kubernetes/pull/98384), [@pacoxu](https://github.com/pacoxu)) [SIG Node]
- TerminationGracePeriodSeconds from pod spec is respected for the mirror pod
  Static pods will be deleted gracefully ([#99035](https://github.com/kubernetes/kubernetes/pull/99035), [@ehashman](https://github.com/ehashman)) [SIG Node and Testing]