- Promote InPlacePodVerticalScaling to GA. ([#134949](https://github.com/kubernetes/kubernetes/pull/134949), [@natasha41575](https://github.com/natasha41575)) [SIG API Machinery, Node and Scheduling]
- Promote Relaxed validation for Services names to beta (enabled by default)
  
  Promote `RelaxedServiceNameValidation` feature to beta (enabled by default)

- Promoted `CustomResourceFieldSelectors` to stable; the feature was enabled by default. The `--feature-gates=CustomResourceFieldSelectors=true` flag was no longer needed on kube-apiserver binaries and would be removed in a future release. ([#127673](https://github.com/kubernetes/kubernetes/pull/127673), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery and Testing]

- Promoted feature-gate `VolumeAttributesClass` to GA
  - Promoted API `VolumeAttributesClass` and `VolumeAttributesClassList` to `storage.k8s.io/v1`. ([#131549](https://github.com/kubernetes/kubernetes/pull/131549), [@carlory](https://github.com/carlory)) [SIG API Machinery, Apps, Auth, CLI, Etcd, Storage and Testing]

- Promoted kubectl `--subresource` flag to stable. ([#130238](https://github.com/kubernetes/kubernetes/pull/130238), [@soltysh](https://github.com/soltysh))
- Promoted the `CRDValidationRatcheting` feature gate to GA in 1.33 ([#130013](https://github.com/kubernetes/kubernetes/pull/130013), [@yongruilin](https://github.com/yongruilin)) [SIG API Machinery]