* deleteOptions.orphanDependents is going to be deprecated in 1.7. Please use deleteOptions.propagationPolicy instead.

### kubeadm

A complete changelog for the release notes is now hosted in a customizable
format at [https://relnotes.k8s.io][1]. Check it out and please give us your
feedback!

[1]: https://relnotes.k8s.io/?releaseVersions=1.18.0

## What’s New (Major Themes)

### Kubernetes Topology Manager Moves to Beta - Align Up!

  
  <!--
  This section can be blank if this pull request does not require a release note.
  
  When adding links which point to resources within git repositories, like
  KEPs or supporting documentation, please reference a specific commit and avoid
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## Downloads for v1.9.1


filename | sha256 hash
-------- | -----------
[kubernetes.tar.gz](https://storage.googleapis.com/kubernetes-release/release/v1.9.1/kubernetes.tar.gz) | `0eece0e6c1f68535ea71b58b87e239019bb57fdd61118f3d7defa6bbf4fad5ee`

- Apimachinery/clock: This deletes the apimachinery/clock package. Please use k8s.io/utils/clock instead. ([#109752](https://github.com/kubernetes/kubernetes/pull/109752), [@MadhavJivrajani](https://github.com/MadhavJivrajani)) [SIG API Machinery]

- Kubernetes is now built with go 1.23.0 ([#127076](https://github.com/kubernetes/kubernetes/pull/127076), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]
- Kubernetes was built with Go 1.23.1. ([#127611](https://github.com/kubernetes/kubernetes/pull/127611), [@haitch](https://github.com/haitch)) [SIG Release and Testing]

### Feature

- Add flag --lease-max-object-size and metric etcd_lease_object_counts for kube-apiserver to config and observe max objects attached to a single etcd lease. ([#97480](https://github.com/kubernetes/kubernetes/pull/97480), [@lingsamuel](https://github.com/lingsamuel)) [SIG API Machinery, Instrumentation and Scalability]

- Kubernetes is now built with go 1.20.1 ([#115828](https://github.com/kubernetes/kubernetes/pull/115828), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]
- Kubernetes is now built with go 1.20.2 ([#116404](https://github.com/kubernetes/kubernetes/pull/116404), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

- Kubeadm: the `--feature-gates` flag is deprecated and no-op for `kubeadm upgrade apply/plan`, and it will be removed in a future release. The upgrade workflow is not designed to reconfigure the cluster. Please edit the 'featureGates' field of ClusterConfiguration which is defined in the kube-...

- Kube-apiserver now maintains a Lease object to identify itself: 
  - The feature is under feature gate `APIServerIdentity`. 
  - Two flags are added to kube-apiserver: `identity-lease-duration-seconds`, `identity-lease-renew-interval-seconds` ([#95533](https://github.com/kubernetes/kubernetes/pull/95533), [@roycaihw](https://github.com/roycaihw)) [SIG API Machinery]