- Fixed a 1.18 regression in wait.Forever that skips the backoff period on the first repeat ([#90476](https://github.com/kubernetes/kubernetes/pull/90476), [@zhan849](https://github.com/zhan849)) [SIG API Machinery]

* kubelet: Fix bug where `runAsUser: MustRunAsNonRoot` strategy didn't reject a pod with a non-numeric `USER`. ([#56708](https://github.com/kubernetes/kubernetes/pull/56708), [@php-coder](https://github.com/php-coder))
* Add iptables rules to allow Pod traffic even when default iptables policy is to reject. ([#52569](https://github.com/kubernetes/kubernetes/pull/52569), [@tmjd](https://github.com/tmjd))

### Other notable changes

* Connections from Pods to Services with 0 endpoints will now ICMP reject immediately, rather than blackhole and timeout. ([#72534](https://github.com/kubernetes/kubernetes/pull/72534), [@thockin](https://github.com/thockin))

## API Changes
- CustomResourceDefinitions now validate documented API semantics of `x-kubernetes-list-type` and `x-kubernetes-map-type` atomic to reject non-atomic sub-types. ([#84722](https://github.com/kubernetes/kubernetes/pull/84722), [@sttts](https://github.com/sttts))

### Bug or Regression

- Fix pod restart after node reboot when NewVolumeManagerReconstruction feature gate is enabled and SELinuxMountReadWriteOncePod disabled ([#124141](https://github.com/kubernetes/kubernetes/pull/124141), [@bertinatto](https://github.com/bertinatto)) [SIG Node]

* kubeadm: reset: use crictl to reset containers ([#54721](https://github.com/kubernetes/kubernetes/pull/54721), [@runcom](https://github.com/runcom))

- Kubernetes is now built with go 1.21.9 ([#124199](https://github.com/kubernetes/kubernetes/pull/124199), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

### Bug or Regression

- Fix pod restart after node reboot when NewVolumeManagerReconstruction feature gate is enabled and SELinuxMountReadWriteOncePod disabled ([#124142](https://github.com/kubernetes/kubernetes/pull/124142), [@bertinatto](https://github.com/bertinatto)) [SIG Node]

- Bump klog to v2.9.0, fixing log lines that render as byte arrays (#105407, @ehashman) [SIG Architecture, CLI, Cloud Provider, Cluster Lifecycle, Instrumentation and Storage]
- Fix overriding logs files on reboot. (#105614, @rphillips) [SIG Node]
- Fix winkernel kube-proxy to only use dual stack when host and networking supports it (#101047, @jsturtevant) [SIG Network and Windows]

* Configurable etcd compaction frequency in GCE ([#59106](https://github.com/kubernetes/kubernetes/pull/59106), [@wojtek-t](https://github.com/wojtek-t))

* Fixed a bug which caused the apiserver reboot failure in the presence of malfunctioning webhooks. ([#59073](https://github.com/kubernetes/kubernetes/pull/59073), [@caesarxuchao](https://github.com/caesarxuchao))

### Other notable changes

* Connections from Pods to Services with 0 endpoints will now ICMP reject immediately, rather than blackhole and timeout. ([#72534](https://github.com/kubernetes/kubernetes/pull/72534), [@thockin](https://github.com/thockin))