* Portworx volume driver no longer has to run on the master. ([#45518](https://github.com/kubernetes/kubernetes/pull/45518), [@harsh-px](https://github.com/harsh-px))

* Default behavior in Cinder storageclass is changed. If availability is not specified, the zone is chosen by algorithm. It makes possible to spread stateful pods across many zones. ([#44798](https://github.com/kubernetes/kubernetes/pull/44798), [@zetaab](https://github.com/zetaab))

- Kube-apiserver: redirects from backend API servers are no longer followed when checking availability with requests to `/apis/$group/$version` ([#112772](https://github.com/kubernetes/kubernetes/pull/112772), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Testing]