etes.io/docs/concepts/workloads/pods/ephemeral-containers/) are now generally available (GA). The `EphemeralContainers` feature gate is always enabled and should be removed from `--feature-gates` flag on the kube-apiserver and the kubelet command lines. The `EphemeralContainers` feature gate is [deprecated and scheduled for removal](https://kubernetes.io/docs/reference/using-api/deprecation-policy/#deprecation)  in a future release. ([#111402](https://github.com/kubernetes/kubernetes/pull/111402),...

- Fixed bug in `TopologyManager` for...

  // +optional
  optional bool optionalOldSelf = 6;
}

// WebhookClientConfig contains the information to make a TLS connection with the webhook.
message WebhookClientConfig {
  // url gives the location of the webhook, in standard URL form
  // (`scheme://host:port/path`). Exactly one of `url` or `service`
  // must be specified.
  //
  // The `host` should not refer to a service running in the cluster; use

- Fixes bug where OpenAPIV2 config was used instead of V3, and gives clear error message about OpenAPIV3 requirement ([#120612](https://github.com/kubernetes/kubernetes/pull/120612), [@alexzielenski](https://github.com/alexzielenski)) [SIG API Machinery]

- Promoted plugin subcommand resolution feature to `beta`. ([#120663](https://github.com/kubernetes/kubernetes/pull/120663), [@ardaguclu](https://github.com/ardaguclu))