- Add a namespace label for all `apiserver_admission_* metrics`.
  Expand the histogram range to 0-10s for all `apiserver_admission_*_duration_seconds` metrics. ([#101208](https://github.com/kubernetes/kubernetes/pull/101208), [@voutcn](https://github.com/voutcn))

  - [What’s New (Major Themes)](#whats-new-major-themes)
    - [Deprecation warnings](#deprecation-warnings)
    - [Avoiding permanent beta](#avoiding-permanent-beta)
    - [Expanded CLI support for debugging workloads and nodes](#expanded-cli-support-for-debugging-workloads-and-nodes)
    - [Structured logging](#structured-logging)
    - [EndpointSlices are now enabled by default](#endpointslices-are-now-enabled-by-default)

* Updated AWS SDK to v1.16.26 for ECR PrivateLink support ([#73435](https://github.com/kubernetes/kubernetes/pull/73435), [@micahhausler](https://github.com/micahhausler))
* Expand kubectl wait to work with more types of selectors. ([#71746](https://github.com/kubernetes/kubernetes/pull/71746), [@rctl](https://github.com/rctl))

- Persistent Volumes formatted with the btrfs filesystem will now automatically resize when expanded. ([#99361](https://github.com/kubernetes/kubernetes/pull/99361), [@Novex](https://github.com/Novex)) [SIG Storage]

   ([#122447](https://github.com/kubernetes/kubernetes/pull/122447), [@ardaguclu](https://github.com/ardaguclu))
- Fixed an error when trying to expand a volume that does not require node expansion. ([#123055](https://github.com/kubernetes/kubernetes/pull/123055), [@gnufied](https://github.com/gnufied))

- Alter wording to describe pods using a pvc ([#95635](https://github.com/kubernetes/kubernetes/pull/95635), [@RaunakShah](https://github.com/RaunakShah)) [SIG CLI]

  - New resources and scheduler features (eg: `ScheduledJob` resource, pod/node affinity/anti-affinity)
- **Cluster Federation**
  - Global Multi-cluster HTTP(S) Ingress across GCE and GKE clusters.
  - Expanded support for federated hybrid-cloud resources including ReplicaSets, Secrets, Namespaces and Events.
- **Security**
  - Increased pod-level security granularity (eg: Container Image Policies, AppArmor and `sysctl` support)

### Autoscaling
* Introduces an new alpha version of the Horizontal Pod Autoscaler including expanded support for specifying metrics. ([#36033](https://github.com/kubernetes/kubernetes/pull/36033), [@DirectXMan12](https://github.com/DirectXMan12)

## Downloads for v1.18.11

No artifacts for v1.18.11 were released.

## Changelog since v1.18.10

## Changes by Kind

### Bug or Regression

### Bug or Regression

- Fix error when trying to expand a volume that does not require node expansion ([#123055](https://github.com/kubernetes/kubernetes/pull/123055), [@gnufied](https://github.com/gnufied)) [SIG Node and Storage]