String INDEX_USER_initial_password = "index.user.initial_password";

    /** The key of the configuration. e.g. favorite_count */
    String INDEX_FIELD_favorite_count = "index.field.favorite_count";

    /** The key of the configuration. e.g. click_count */
    String INDEX_FIELD_click_count = "index.field.click_count";

    /** The key of the configuration. e.g. config_id */
    String INDEX_FIELD_config_id = "index.field.config_id";

- Following metrics from kube-controller-manager are now marked as with the ALPHA stability level:
  `storage_count_attachable_volumes_in_use`
  `attachdetach_controller_total_volumes`
  `pv_collector_bound_pv_count`
  `pv_collector_unbound_pv_count`
  `pv_collector_bound_pvc_count`
  `pv_collector_unbound_pvc_count`
  ([#84896](https://github.com/kubernetes/kubernetes/pull/84896), [@RainbowMango](https://github.com/RainbowMango))

        * `apiserver_request_count`
        * `apiserver_request_latencies`
        * `apiserver_request_latencies_summary`
        * `apiserver_dropped_requests`
        * `etcd_helper_cache_hit_count`
        * `etcd_helper_cache_miss_count`
        * `etcd_helper_cache_entry_count`
        * `etcd_request_cache_get_latencies_summary`

implementation is changed to not return an error when the specified target can be detected as not a mount point. On Linux, the behavior of detecting a mount point depends on `umount` command is validated when the mounter is created. Additionally, mount point checks will be skipped in CleanupMountPoint/CleanupMountWithForce if the mounter's Unmount having the changed behavior of not returning error when target is not a mount point. ([#109676](https://github.com/kubernetes/kubernetes/pull/109676), [@cartermckin...

- Fix: azure file mount timeout issue ([#88610](https://github.com/kubernetes/kubernetes/pull/88610), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider and Storage]
- Fix: corrupted mount point in csi driver ([#88569](https://github.com/kubernetes/kubernetes/pull/88569), [@andyzhangx](https://github.com/andyzhangx)) [SIG Storage]

* Add `container_state` label to `running_container_count` kubelet metrics, to get count of containers based on their state(running/exited/created/unknown) ([#81573](https://github.com/kubernetes/kubernetes/pull/81573),...

    *   Dynamic provisioning is not supported with this feature yet.
*   [alpha] Containerized mount utilities
    *   Allow mount utilities, used to mount volumes, to run inside a container instead of on the host.
*   Bug Fixes

- AzureFile and CephFS use the new Mount library that prevents logging of sensitive mount options. ([#88684](https://github.com/kubernetes/kubernetes/pull/88684), [@saad-ali](https://github.com/saad-ali)) [SIG Storage]

- Fixes a rare race condition handling requests that timeout ([#107460](https://github.com/kubernetes/kubernetes/pull/107460), [@liggitt](https://github.com/liggitt)) [SIG API Machinery]
- Mount-utils: Detect potential stale file handle ([#107040](https://github.com/kubernetes/kubernetes/pull/107040), [@andyzhangx](https://github.com/andyzhangx)) [SIG Storage]

### Other (Cleanup or Flake)

### Non-recursive Volume Ownership (FSGroup) graduates to Beta

By default, the `fsgroup` setting, if specified, recursively updates permissions for every file in a volume on every mount. This can make mount, and pod startup, very slow if the volume has many files.