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## Changelog since v1.4.1

### Other notable changes

* Fix base image pinning during upgrades via cluster/gce/upgrade.sh ([#33147](https://github.com/kubernetes/kubernetes/pull/33147), [@vishh](https://github.com/vishh))

#### CLI Changes

- [alpha] `kubectl` plugins: `kubectl` now allows binary extensibility. You can extend the default set of `kubectl` commands by writing plugins
  that provide new subcommands. Refer to the documentation for more information.

- `kubectl rollout` and `rollback` now support StatefulSet.