- 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))

- [`KT-42136`](https://youtrack.jetbrains.com/issue/KT-42136) NI: False positive [USELESS_CAST] when list serves to create a mutable list
- [`KT-41721`](https://youtrack.jetbrains.com/issue/KT-41721) SAM conversion fails on varargs with type approximated to Nothing

- 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))...

  - The `export` query parameter for list API calls, deprecated since v1.14, will be removed in v1.18.
  - The `series.state` field in the events.k8s.io/v1beta1 Event API is deprecated and will be removed in v1.18 ([#75987](https://github.com/kubernetes/kubernetes/pull/75987), [@yastij](https://github.com/yastij))

- Changed kubectl describe to compute Age of an event using the count and lastObservedTime fields available in the event series ([#104482](https://github.com/kubernetes/kubernetes/pull/104482), [@harjas27](https://github.com/harjas27)) [SIG CLI]

- Update the Event series starting count when emitting isomorphic events from 1 to 2. ([#119376](https://github.com/kubernetes/kubernetes/pull/119376), [@dgrisonnet](https://github.com/dgrisonnet)) [SIG API Machinery and Testing]

## Dependencies

### Generic Ephemeral Volumes

  // Time when this Event was first observed.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.MicroTime eventTime = 10;

  // Data about the Event series this event represents or nil if it's a singleton Event.
  // +optional
  optional EventSeries series = 11;

  // What action was taken/failed regarding to the Regarding object.
  // +optional
  optional string action = 12;

- 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]