### Other notable changes

* The kube-apiserver --service-account-key-file option can be specified multiple times, or can point to a file containing multiple keys, to enable rotation of signing keys. ([#34029](https://github.com/kubernetes/kubernetes/pull/34029), [@liggitt](https://github.com/liggitt))

   ([#122329](https://github.com/kubernetes/kubernetes/pull/122329), [@jpbetz](https://github.com/jpbetz))
- Implemented the `prescore` extension point for the `volumeBinding` plugin. It now returns skip if it doesn't do anything in Score.
   ([#115768](https://github.com/kubernetes/kubernetes/pull/115768), [@AxeZhan](https://github.com/AxeZhan))

- **Apps**
  - [alpha] Introducing 'ScheduledJobs', which allow running time based Jobs, namely once at a specified time or repeatedly at specified point in time. ([docs](http://kubernetes.io/docs/user-guide/scheduled-jobs/)) ([kubernetes/features#19](https://github.com/kubernetes/enhancements/issues/19))
- **Auth**