- util/initsystem: Added support for the OpenRC init system ([#73101](https://github.com/kubernetes/kubernetes/pull/73101), [@oz123](https://github.com/oz123))
- Default TTL for DNS records in kubernetes zone has been changed from 5s to 30s to keep consistent with old dnsmasq based kube-dns. The TTL can be customized with command `kubectl edit -n kube-system configmap/coredns`. ([#76238](https://github.com/kubernetes/kubernetes/pull/76238), [@Dieken](https://github.com/Dieken))