- `StatefulSetAutoDeletePVC` feature gate promoted to beta. ([#116501](https://github.com/kubernetes/kubernetes/pull/116501), [@mattcary](https://github.com/mattcary))
- `StatefulSet` names must be DNS labels, rather than subdomains. Any `StatefulSet`
  which took advantage of subdomain validation (by having dots in the name) can't
  possibly have worked, because we eventually set `pod.spec.hostname` from the `StatefulSetName`,

* Fixes an issue with RBAC reconciliation...

  `sync_partial_proxy_rules_duration_seconds` (in addition to the existing\n`sync_proxy_rules_duration_seconds`),
  giving better information about the duration of each \nsync type, rather than
  only giving a weighted average of the two sync types together. ([#117787](https://github.com/kubernetes/kubernetes/pull/117787), [@danwinship](https://github.com/danwinship))

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- Bumped cAdvisor to `v0.49.0`.
   ([#123599](https://github.com/kubernetes/kubernetes/pull/123599), [@bobbypage](https://github.com/bobbypage))
- Changed `--nodeport-addresses` behavior to default to "primary node IP(s) only" rather than "all node IPs".
   ([#122724](https://github.com/kubernetes/kubernetes/pull/122724), [@nayihz](https://github.com/nayihz))

- Bumped distroless-iptables to 0.4.1 based on Go `1.21.3`. ([#121871](https://github.com/kubernetes/kubernetes/pull/121871), [@cpanato](https://github.com/cpanato))
- CEL can now correctly handle a CRD `openAPIV3Schema` that has neither `Properties` nor `AdditionalProperties`. ([#121459](https://github.com/kubernetes/kubernetes/pull/121459), [@jiahuif](https://github.com/jiahuif))

- In `kube-proxy`: The "userspace" proxy mode (deprecated for over a year) is no
  longer supported on either Linux or Windows. Users should use "iptables" or "ipvs"
  on Linux, or "kernelspace" on Windows.
   ([#112133](https://github.com/kubernetes/kubernetes/pull/112133), [@knabben](https://github.com/knabben))