* ScaleIO persistent volumes now support referencing a secret in a namespace other than the bound persistent volume claim's namespace; this is controlled during provisioning with the `secretNamespace` storage class parameter; StoragePool and ProtectionDomain attributes no longer defaults to the value `default` ([#54013](https://github.com/kubernetes/kubernetes/pull/54013), [@vladimirvivien](https://github.com/vladimirvivien))

- Resolves a spurious "Unknown discovery response content-type" error in client-go discovery requests by tolerating extra content-type parameters in API responses ([#117637](https://github.com/kubernetes/kubernetes/pull/117637), [@seans3](https://github.com/seans3)) [SIG API Machinery]

- The deprecated flag `--lock-object-namespace` and `--lock-object-name` have been removed from kube-scheduler. Please use `--leader-elect-resource-namespace` and `--leader-elect-resource-name` or ComponentConfig instead to configure those parameters. ([#119130](https://github.com/kubernetes/kubernetes/pull/119130), [@SataQiu](https://github.com/SataQiu)) [SIG Scheduling]

- MaxUnavailable for StatefulSets, allows faster RollingUpdate by taking down more than 1 pod at a time. The number of pods you want to take down during a RollingUpdate is configurable using maxUnavailable parameter. ([#82162](https://github.com/kubernetes/kubernetes/pull/82162), [@krmayankk](https://github.com/krmayankk))

  Ginkgo V2 doesn't accept go test's `-parallel` flags to parallelize Ginkgo specs, please switch to use `ginkgo -p` or...

- Deprecated the `--cloud-provider` and `--cloud-config` CLI parameters in kube-apiserver.
  These parameters will be removed in a future release. ([#120903](https://github.com/kubernetes/kubernetes/pull/120903), [@dims](https://github.com/dims)) [SIG API Machinery]

  label selectors.'
   ([#113699](https://github.com/kubernetes/kubernetes/pull/113699), [@liggitt](https://github.com/liggitt))
- Add `percentageOfNodesToScore` as a scheduler profile level parameter to API version `v1`. When a profile `percentageOfNodesToScore` is set, it will override global `percentageOfNodesToScore`. ([#112521](https://github.com/kubernetes/kubernetes/pull/112521), [@yuanchen8911](https://github.com/yuanchen8911))