hideInheritedFlags(validateCmd, "kubeconfig")
	rootCmd.AddCommand(validateCmd)

	rootCmd.AddCommand(optionsCommand(rootCmd))

	// BFS applies the flag error function to all subcommands
	seenCommands := make(map[*cobra.Command]bool)
	var commandStack []*cobra.Command

	commandStack = append(commandStack, rootCmd)

	for len(commandStack) > 0 {
		n := len(commandStack) - 1

- Changed `kubectl help` to display basic details for subcommands from plugins. ([#116752](https://github.com/kubernetes/kubernetes/pull/116752), [@xvzf](https://github.com/xvzf))

- Enable external plugins can be used as subcommands for kubectl create command if subcommand does not exist as builtin only when KUBECTL_ENABLE_CMD_SHADOW environment variable is exported. ([#116293](https://github.com/kubernetes/kubernetes/pull/116293), [@ardaguclu](https://github.com/ardaguclu))

  # List all waypoints in a specific namespace
  istioctl x waypoint list --namespace default`,
		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) != 0 {
				return fmt.Errorf("unknown subcommand %q", args[0])
			}
			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			cmd.HelpFunc()(cmd, args)
			return nil
		},
	}