## Changelog since v1.21.11

## Changes by Kind

### Bug or Regression

- Fixes error handling in a kubectl method used in downstream packages. ([#108521](https://github.com/kubernetes/kubernetes/pull/108521), [@heybronson](https://github.com/heybronson)) [SIG CLI]

- Fix a concurrent map access in TopologyCache's `HasPopulatedHints` method. ([#120324](https://github.com/kubernetes/kubernetes/pull/120324), [@Miciah](https://github.com/Miciah)) [SIG Apps and Network]

- Kubelet no longer reports terminated container metrics from cAdvisor ([#112964](https://github.com/kubernetes/kubernetes/pull/112964), [@bobbypage](https://github.com/bobbypage)) [SIG Node]
- Kubelet: fix GetAllocatableCPUs method in cpumanager ([#113422](https://github.com/kubernetes/kubernetes/pull/113422), [@Garrybest](https://github.com/Garrybest)) [SIG Node]

    * https://github.com/kubernetes/autoscaler/releases/tag/cluster-autoscaler-1.13.4 
    * https://github.com/kubernetes/autoscaler/releases/tag/cluster-autoscaler-1.13.3
* Add name validation for dynamic client methods in client-go ([#75072](https://github.com/kubernetes/kubernetes/pull/75072), [@lblackstone](https://github.com/lblackstone))

  // reset to nil (use local defaults), the LastKnownGood is also immediately reset to nil,
  // because the local default config is always assumed good.
  // You should not make assumptions about the node's method of determining config stability
  // and correctness, as this may change or become configurable in the future.
  // +optional
  optional NodeConfigSource lastKnownGood = 3;

* **[alpha]** New Bootstrap Token authentication and management method. Works well with kubeadm. kubeadm now supports managing tokens, including time based expiration, after the cluster is launched.  See [kubeadm reference docs](https://kubernetes.io/docs/admin/kubeadm/#manage-tokens) for details.

- Kubelet no longer reports terminated container metrics from cAdvisor ([#112963](https://github.com/kubernetes/kubernetes/pull/112963), [@bobbypage](https://github.com/bobbypage)) [SIG Node]
- Kubelet: fix GetAllocatableCPUs method in cpumanager ([#113421](https://github.com/kubernetes/kubernetes/pull/113421), [@Garrybest](https://github.com/Garrybest)) [SIG Node]