- [RuntimeClass feature graduates to General Availability.](#runtimeclass-feature-graduates-to-general-availability)
    - [Cloud Controller Manager now exclusively shipped by Cloud Provider](#cloud-controller-manager-now-exclusively-shipped-by-cloud-provider)
  - [Known Issues](#known-issues)
    - [Summary API in kubelet doesn't have accelerator metrics](#summary-api-in-kubelet-doesnt-have-accelerator-metrics)

  * Rescheduler relies on taints, which were changed in a backward incompatible way. Rescheduler 0.3 shipped together with Kubernetes 1.6 understands the new taints and will clean up the old annotations, but Rescheduler 0.2 shipped together with Kubernetes 1.5 doesn't understand the new taints. In order to avoid eviction loop during 1.5->1.6 upgrade you need to either upgrade the master node atomically (for example...

* cloud-controller-manager binaries and docker images are no longer shipped with kubernetes releases. ([#81029](https://github.com/kubernetes/kubernetes/pull/81029), [@dims](https://github.com/dims))

## Known Issues

### Etcd v3.5.[0-2] data corruption

Data corruption issue was found in etcd v3.5.0 release that was shipped with 1.22 Kubernetes release. Please read up-to-date [production recommendations for etcd](https://github.com/etcd-io/etcd/tree/main/CHANGELOG).

## Changes by Kind

### Deprecation

### Etcd v3.5.[0-2] data corruption

Data corruption issue was found in etcd v3.5.0 release that was shipped with 1.22 Kubernetes release. Please read up-to-date [production recommendations for etcd](https://github.com/etcd-io/etcd/tree/main/CHANGELOG).

## Urgent Upgrade Notes 

- Stopped expanding the volume on the node if controller-side expansion was already completed. ([#131868](https://github.com/kubernetes/kubernetes/pull/131868), [@gnufied](https://github.com/gnufied))
- Stopped logging error events when waiting for expansion on the kubelet. ([#131408](https://github.com/kubernetes/kubernetes/pull/131408), [@gnufied](https://github.com/gnufied))

- When updating a CRD, per-expression cost limit check are now skipped for `x-kubernetes-validations` rules of versions that are not mutated. ([#121460](https://github.com/kubernetes/kubernetes/pull/121460), [@jiahuif](https://github.com/jiahuif))

#### **Kubeadm**

- kube-apiserver: fixed a 1.31 regression that stopped honoring build ID overrides with the --version flag ([#126665](https://github.com/kubernetes/kubernetes/pull/126665), [@liggitt](https://github.com/liggitt)) [SIG API Machinery]

- Kubelet podresources API now provides the information about active pods only. ([#79409](https://github.com/kubernetes/kubernetes/pull/79409), [@takmatsu](https://github.com/takmatsu)) [SIG Node]
- Pod Finalizers and Conditions updates are skipped for re-scheduling attempts ([#91950](https://github.com/kubernetes/kubernetes/pull/91950), [@alculquicondor](https://github.com/alculquicondor)) [SIG Scheduling]