- The `EndpointSliceTerminatingCondition` feature gate was graduated to GA. The gate is now locked and will be removed in v1.28. ([#113351](https://github.com/kubernetes/kubernetes/pull/113351), [@andrewsykim](https://github.com/andrewsykim))
- `DynamicKubeletConfig` feature gate has been removed from the API server.
  Dynamic kubelet reconfiguration now can't be used even when older nodes are still

- Volume dynamic provisioning scheduling has been moved to beta, which means that the DynamicProvisioningScheduling alpha feature gate has been removed but the VolumeScheduling beta feature gate is still required for this feature. ([#67432](https://github.com/kubernetes/kubernetes/pull/67432), [@lichuqiang](https://github.com/lichuqiang)) Courtesy of SIG Apps, SIG Architecture, SIG Storage, and SIG Testing

- The `SidecarContainers` feature has graduated to GA. 'SidecarContainers' feature gate was locked to default value and will be removed in v1.36. If you were setting this feature gate explicitly, please remove it now. ([#129731](https://github.com/kubernetes/kubernetes/pull/129731), [@gj...

* Use of the alpha initializers feature now requires enabling the `Initializers` feature gate. This feature gate is auto-enabled if the `Initialzers` admission plugin is enabled. ([#51436](https://github.com/kubernetes/kubernetes/pull/51436), [@liggitt](https://github.com/liggitt))

- The GCERegionalPersistentDisk feature gate (GA in 1.13) can no longer be disabled. The feature gate will be removed in v1.17. ([#77412](https://github.com/kubernetes/kubernetes/pull/77412), [@liggitt](https://github.com/liggitt))

    - [<code>CSIMigrationvSphere</code> feature gate has not migrated to new CRD APIs](#csimigrationvsphere-feature-gate-has-not-migrated-to-new-crd-apis)

* Use of the alpha initializers feature now requires enabling the `Initializers` feature gate. This feature gate is automatically enabled if the `Initializers` admission plugin is enabled.([#51436](https://github.com/kubernetes/kubernetes/pull/51436))

* vSphere cloud provider: Fix volume detach on node failure. ([#45569](https://github.com/kubernetes/kubernetes/pull/45569), [@divyenpatel](https://github.com/divyenpatel))
* Job controller: Retry with rate-limiting if a Pod create/delete operation fails. ([#45870](https://github.com/kubernetes/kubernetes/pull/45870), [@tacy](https://github.com/tacy))

- Removed the generally available feature gate `ExpandedDNSConfig`.
   ([#122086](https://github.com/kubernetes/kubernetes/pull/122086), [@bzsuni](https://github.com/bzsuni))
- Removed the generally available feature gate `KubeletPodResourcesGetAllocatable`.
   ([#122138](https://github.com/kubernetes/kubernetes/pull/122138), [@ii2day](https://github.com/ii2day))
- Removed the generally available feature gate `KubeletPodResources`.

- Added a new `FileKeyRef` field to containers, allowing them to load variables from files by setting this field.