* fixes a validation error that could prevent updates to StatefulSet objects containing non-normalized resource requests ([#66165](https://github.com/kubernetes/kubernetes/pull/66165), [@liggitt](https://github.com/liggitt))

- Avoid creating new controller revisions for statefulsets when cache is stale ([#67039](https://github.com/kubernetes/kubernetes/pull/67039), [@mortent](https://github.com/mortent))
- Fixes issue when updating a DaemonSet causes a hash collision. ([#66476](https://github.com/kubernetes/kubernetes/pull/66476), [@mortent](https://github.com/mortent))

- StatefulSet pods now have the pod index set as a pod label `statefulset.kubernetes.io/pod-index`. ([#119232](https://github.com/kubernetes/kubernetes/pull/119232), [@danielvegamyhre](https://github.com/danielvegamyhre)) [SIG Apps]

- Add `PersistentVolumeClaimDeletePoilcy` to StatefulSet API. ([#99378](https://github.com/kubernetes/kubernetes/pull/99378), [@mattcary](https://github.com/mattcary))

### Bug or Regression

- Added `podSpec` validation for creating `StatefulSet`. ([#131790](https://github.com/kubernetes/kubernetes/pull/131790), [@chengjoey](https://github.com/chengjoey)) [SIG Apps, Etcd and Testing]

- Fixed StatefulSet to show the valid status even if the new replica creation fails. ([#112084](https://github.com/kubernetes/kubernetes/pull/112084), [@gjkim42](https://github.com/gjkim42)) [SIG Apps and Testing]

- TokenReview now supports audience validation of tokens with audiences other than the kube-apiserver.  ([#62692](https://github.com/kubernetes/kubernetes/pull/62692), [@mikedanese](https://github.com/mikedanese))
- StatefulSet is supported in `kubectl autoscale` command ([#71103](https://github.com/kubernetes/kubernetes/pull/71103), [@Pingan2017](https://github.com/Pingan2017))

- Fixed a 1.25.12 regression where kube-controller-manager can crash when StatefulSet with Parallel policy and PVC labels is scaled up. ([#121187](https://github.com/kubernetes/kubernetes/pull/121187), [@aleksandra-malinowska](https://github.com/aleksandra-malinowska)) [SIG Apps]

- Fixes a panic in kube-controller-manager handling StatefulSet objects when revisionHistoryLimit is negative ([#129323](https://github.com/kubernetes/kubernetes/pull/129323), [@ardaguclu](https://github.com/ardaguclu)) [SIG Apps]

- Added metrics for the `MaxUnavailable` feature in `StatefulSet`. ([#130951](https://github.com/kubernetes/kubernetes/pull/130951), [@Edwinhr716](https://github.com/Edwinhr716)) [SIG Apps and Instrumentation]