*   reflector_short_watches_total
    *   reflector_watch_duration_seconds
    *   reflector_watches_total
    * While this is a backwards-incompatible change, it would have been impossible to setup reliable monitoring around these metrics since the labels were not stable. 
* Fix keymutex issues which may crash in some platforms. ([#74386](https://github.com/kubernetes/kubernetes/pull/74386), [@danielqsj](https://github.com/danielqsj))

- Services implemented a field selector for the ClusterIP and Type fields.
  The Kubelet uses this field selector to avoid monitoring Headless Services, which helps reduce memory consumption. ([#123905](https://github.com/kubernetes/kubernetes/pull/123905), [@aojea](https://github.com/aojea)) [SIG Apps, Node and Testing]

- Kubelet: Fix fs quota monitoring on volumes ([#116794](https://github.com/kubernetes/kubernetes/pull/116794), [@pacoxu](https://github.com/pacoxu)) [SIG Storage]

### Other (Cleanup or Flake)

### etcd moves to version 3.5.0

- Fix: Route controller should update routes with NodeIP changed ([#116360](https://github.com/kubernetes/kubernetes/pull/116360), [@lzhecheng](https://github.com/lzhecheng)) [SIG Cloud Provider]
- Kubelet: Fix fs quota monitoring on volumes ([#116795](https://github.com/kubernetes/kubernetes/pull/116795), [@pacoxu](https://github.com/pacoxu)) [SIG Storage]

### Other (Cleanup or Flake)

   See the License for the specific language governing permissions and
   limitations under the License.

================================================================

cloud.google.com/go/monitoring
https://cloud.google.com/go/monitoring
----------------------------------------------------------------

                                 Apache License
                           Version 2.0, January 2004