I'm confused with the following response.

what's the meaning of "apiVersion": "v1",???

I'm expecting the apiVersion to be v1beta1.

$ curl http://127.0.0.1:8080/apis/batch/v1beta1
{
  "kind": "APIResourceList",
  "apiVersion": "v1",
  "groupVersion": "batch/v1beta1",
  "resources": [
    {
      "name": "cronjobs",
      "singularName": "",
      "namespaced": true,
      "kind": "CronJob",
      "verbs": [
        "create",
        "delete",
        "deletecollection",
        "get",
        "list",
        "patch",
        "update",
        "watch"
      ],
      "shortNames": [
        "cj"
      ],
      "categories": [
        "all"
      ],
      "storageVersionHash": "h/JlFAZkyyY="
    },
    {
      "name": "cronjobs/status",
      "singularName": "",
      "namespaced": true,
      "kind": "CronJob",
      "verbs": [
        "get",
        "patch",
        "update"
      ]
    }
  ]
}controlplane $