- From now on, the HPA controller will return an error for the container resource metrics when the feature gate "HPAContainerMetrics" is disabled. As a result, HPA with a container resource metric performs no scale-down and performs only scale-up based on other metrics. ([#116043](https://github.com/kubernetes/kubernetes/pull/116043), [@sanposhiho](https://github.com/sanposhiho)) [SIG API Machinery, Apps and Autoscaling]

  without risking breaking old clients, such as controllers.

- `kubectl delete` no longer scales down workload API objects before deletion.
  Users who depend on ordered termination for the Pods of their StatefulSets
  must use `kubectl scale` to scale down the StatefulSet before deletion.

- `kubectl run --env` no longer supports CSV parsing. To provide multiple environment

- Fixed a 1.28.0 regression where kube-controller-manager can crash when StatefulSet with Parallel policy and PVC labels is scaled up. ([#121184](https://github.com/kubernetes/kubernetes/pull/121184), [@aleksandra-malinowska](https://github.com/aleksandra-malinowska)) [SIG Apps]

- 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]

- Fixed a `v1.28.0` regression where `kube-controller-manager` can crash when `StatefulSet` with `Parallel` policy and PVC labels are scaled up. ([#121142](https://github.com/kubernetes/kubernetes/pull/121142), [@aleksandra-malinowska](https://github.com/aleksandra-malinowska))

- Fixed a 1.26.7 regression where kube-controller-manager can crash when StatefulSet with Parallel policy and PVC labels is scaled up. ([#121186](https://github.com/kubernetes/kubernetes/pull/121186), [@aleksandra-malinowska](https://github.com/aleksandra-malinowska)) [SIG Apps]