- `AppArmor` profiles specified in the Pod or container `SecurityContext` were no longer copied to deprecated `AppArmor` annotations (prefix `container.apparmor.security.beta.kubernetes.io/`). Anything that inspected the deprecated annotations must be migrated to use the `SecurityContext` fields instead. ([#131989](https://github.com/kubernetes/kubernetes/pull/131989), [@tallclair](https://github.com/tallclair))

* ACTION REQUIRED: Removes defaulting of CSI file system type to ext4. All the production drivers listed under https://kubernetes-csi.github.io/docs/drivers.html were inspected and should not be impacted after this change. If you are using a driver not in that list, please test the drivers on an updated test cluster first. ([#65499](https://github.com/kubernetes/kubernetes/pull/65499), [@krunaljain](https://github.com/krunaljain))...

## Changelog since v1.11.0

### Action Required

## Changelog since v1.10.5

### Action Required

- CPU limits are now respected for Windows containers. If a node is over-provisioned, no weighting is used, only limits are respected. ([#86101](https://github.com/kubernetes/kubernetes/pull/86101), [@PatrickLang](https://github.com/PatrickLang)) [SIG Node, Testing and Windows]

- Kubeadm: Fixed a bug where the PublicKeysECDSA feature gate was not respected when generating kubeconfig files. ([#125388](https://github.com/kubernetes/kubernetes/pull/125388), [@neolit123](https://github.com/neolit123))

- Kubeadm: fixed a regression where the JoinConfiguration.discovery.timeout was no longer respected and the value was always hardcoded to "5m" (5 minutes). ([#125481](https://github.com/kubernetes/kub...

- kubeadm: fixed a bug where the `node.skipPhases` in UpgradeConfiguration is not respected by the `kubeadm upgrade node` subcommand. ([#129452](https://github.com/kubernetes/kubernetes/pull/129452), [@SataQiu](https://github.com/SataQiu))

  - Clients should reload the token from disk periodically (once per minute is recommended) to ensure they continue to use a valid token. `k8s.io/client-go` version v11.0.0+ and v0.15.0+ reload tokens automatically.

 - A bug was fixed in kubelet where exec probe timeouts were not respected. Ensure that pods relying on this behavior are updated to correctly handle probe timeouts.