paused deployments can’t be rolled back (this is expected), and the command
waits for rollback events to return the result. Users should use “kubectl
rollout resume” to resume a deployment before rolling back.
  * “kubectl edit <list>” will open the editor multiple times, once for each
resource in the list.
  * If you create HPA object using autoscaling/v1 API without specifying

* Drain pods created from ReplicaSets in 'kubectl drain' ([#23689](https://github.com/kubernetes/kubernetes/pull/23689), [@maclof](https://github.com/maclof))
* Make kubectl edit not convert GV on edits ([#23437](https://github.com/kubernetes/kubernetes/pull/23437), [@DirectXMan12](https://github.com/DirectXMan12))

    * Add `kubectl apply edit-last-applied` subcommand ([#42256](https://github.com/kubernetes/kubernetes/pull/42256), [@shiywang](https://github.com/shiywang))

  * Strategic Merge Patch

    * Reference docs now display the patch type and patch merge key used by `kubectl apply` to merge and identify unique elements in arrays.

- Added a new `--init-only` command line flag to `kube-proxy`. Setting the flag makes `kube-proxy` perform its initial configuration that requires privileged mode, and then exit. The `--init-only` mode is intended to be executed in a privileged init container, so that the main container may run with a stricter `securityContext`. ([#120864](https://github.com/kubernetes/kubernetes/pull/120864), [@uablrek](https://github.com/uablrek))...

- Kube-proxy no longer falls back from ipvs mode to iptables mode if you ask it to do ipvs but the system is not correctly configured. Instead, it will just exit with an error. ([#111806](https://github.com/kubernetes/kubernetes/pull/111806), [@danwinship](https://github.com/danwinship)) [SIG Network]

* Windows nodes on GCE use a known-working 1809 image rather than the latest 1809 image. ([#76722](https://github.com/kubernetes/kubernetes/pull/76722), [@pjh](https://github.com/pjh))
* kube-proxy: os exit when CleanupAndExit is set to true ([#76732](https://github.com/kubernetes/kubernetes/pull/76732), [@JieJhih](https://github.com/JieJhih))