- Changed handling of `CustomResourceDefinitions` with unrecognized formats. Writing a schema with an unrecognized format now triggered a warning (the write was still accepted). ([#133136](https://github.com/kubernetes/kubernetes/pull/133136), [@yongruilin](https://github.com/yongruilin))

- Windows Kubeproxy will use the update load balancer API for load balancer updates, instead of the previous delete and create APIs.

- Output a log as v4-level when a probe is triggered and shift the periodic timer of ReadinessProbe after manual run. ([#119089](https://github.com/kubernetes/kubernetes/pull/119089), [@mochizuki875](https://github.com/mochizuki875))

- Added `job_pods_creation_total` metrics for tracking Pods created by the Job controller labeled by events which triggered the Pod creation. ([#121481](https://github.com/kubernetes/kubernetes/pull/121481), [@dejanzele](https://github.com/dejanzele))
- Added `kubectl node drain` helper callbacks `OnPodDeletionOrEvictionStarted`

- Kubeadm: fix coredns migration should be triggered when there are newdefault configs during kubeadm upgrade ([#96907](https://github.com/kubernetes/kubernetes/pull/96907), [@pacoxu](https://github.com/pacoxu)) [SIG Cluster Lifecycle]

- Fixed Cronjob `status.lastSuccessfulTime` not populated by a manually triggered ([#118530](https://github.com/kubernetes/kubernetes/pull/118530), [@carlory](https://github.com/carlory))

    * List of available GPUs - [https://cloud.google.com/compute/docs/gpus/#introduction](https://cloud.google.com/compute/docs/gpus/#introduction)

  * Disk Pressure triggers the deletion of terminated containers on the node. ([#45896](https://github.com/kubernetes/kubernetes/pull/45896), [@dashpole](https://github.com/dashpole))

- Improved reboot event reporting. The kubelet will only emit one reboot Event when a server-level reboot 
is detected, even if the kubelet cannot write its status to the associated Node (which triggers a retry). ([#129151](https://github.com/kubernetes/kubernetes/pull/129151), [@rphillips](https://github.com/rphillips)) [SIG Node]

`admissionregistration.k8s.io/v1beta1.ValidatingWebhookConfiguration` and `admissionregistration.k8s.io/v1beta1.MutatingWebhookConfiguration` so that webhooks can explicitly register as having dry-run support. If a dry-run request is made on a resource that triggers a non dry-run supporting webhook, the request will be completely rejected, with "400: Bad Request". Additionally, a new field is being added to the `admission.k8s.io/v1beta1.AdmissionReview` API object, exposing to webhooks whether or not the request...

* Respect PDBs during node upgrades and add test coverage to the ServiceTest upgrade test. ([#45748](https://github.com/kubernetes/kubernetes/pull/45748), [@mml](https://github.com/mml))
* Disk Pressure triggers the deletion of terminated containers on the node. ([#45896](https://github.com/kubernetes/kubernetes/pull/45896), [@dashpole](https://github.com/dashpole))