### Generic Ephemeral Volumes

- Changed kubectl `--subresource` flag to beta ([#116595](https://github.com/kubernetes/kubernetes/pull/116595), [@MadhavJivrajani](https://github.com/MadhavJivrajani))
- Changed metrics for aggregated discovery to publish new time series (alpha). ([#115630](https://github.com/kubernetes/kubernetes/pull/115630), [@Jefftree](https://github.com/Jefftree)) [SIG API Machinery and Testing]

* WATCHLIST calls are now reported as WATCH verbs in prometheus for the apiserver_request_* series.  A new "scope" label is added to all apiserver_request_* values that is either 'cluster', 'resource', or 'namespace' depending on which level the query is performed at. ([#52237](https://github.com/kubernetes/kubernetes/pull/52237), [@smartercla...

- Ubuntu 18.04 (Bionic) series has been added to Juju charms ([#65644](https://github.com/kubernetes/kubernetes/pull/65644), [@tvansteenburgh](https://github.com/tvansteenburgh))

  the garbage collector starts to manage it.


#### Monitoring/Prometheus
* [action required] The WATCHLIST calls are now reported as WATCH verbs in prometheus for the apiserver_request_* series.  A new "scope" label is added to all apiserver_request_* values that is either 'cluster', 'resource', or 'namespace' depending on which level the query is performed at.([#52237](https://github.com/kubernetes/kubernetes/pull/52237))

* Fixes an issue with kubelet-reported pod status on deleted/recreated pods. ([#86320](https://github.com/kubernetes/kubernetes/pull/86320), [@liggitt](https://github.com/liggitt))
* kube-apiserver no longer serves the following deprecated APIs: ([#85903](https://github.com/kubernetes/kubernetes/pull/85903), [@liggitt](https://github.com/liggitt))
  * All resources under `apps/v1beta1` and `apps/v1beta2` - use `apps/v1` instead

- github.com/Microsoft/go-winio: v0.4.11 → v0.4.14
- github.com/bazelbuild/bazel-gazelle: c728ce9 → 70208cb
- github.com/bazelbuild/buildtools: 80c7f0d → 69366ca
- github.com/beorn7/perks: 3a771d9 → v1.0.0
- github.com/container-storage-interface/spec: v1.1.0 → v1.2.0
- github.com/coredns/corefile-migration: v1.0.2 → v1.0.4
- github.com/coreos/etcd: v3.3.17+incompatible → v3.3.10+incompatible

- Added a kubelet socket which serves an grpc service containing the devices used by containers on the node. ([#70508](https://github.com/kubernetes/kubernetes/pull/70508), [@dashpole](https://github.com/dashpole))

- The ingress `v1beta1` has been deprecated. ([#102030](https://github.com/kubernetes/kubernetes/pull/102030), [@aojea](https://github.com/aojea))

### API Change

- The in-tree Azure plugin has been deprecated. The Azure kubelogin plugin serves as an out-of-tree replacement via the kubectl/client-go credential plugin mechanism.  Users will now see a warning in the logs regarding this deprecation. ([#107904](https://github.com/kubernetes/kubernetes/pull/107904), [@sabbey37](https://github.com/sabbey37))...