* GCE provider: Log full contents of long operations ([#26962](https://github.com/kubernetes/kubernetes/pull/26962), [@zmerlynn](https://github.com/zmerlynn))
* Fix system container detection in kubelet on systemd. ([#26586](https://github.com/kubernetes/kubernetes/pull/26586), [@derekwaynecarr](https://github.com/derekwaynecarr))

        * When used in combination with the `RBAC` authorization mode (`--authorization-mode=Node,RBAC`), the `system:node` role is no longer automatically granted to the `system:nodes` group.

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