* The kube-apiserver [basic audit log](https://kubernetes.io/docs/admin/audit/) can be enabled in GCE by exporting the environment variable `ENABLE_APISERVER_BASIC_AUDIT=true` before running `cluster/kube-up.sh`. This will log to `/var/log/kube-apiserver-audit.log` and use the same `logrotate` settings as `/var/log/kube-apiserver.log`. ([#41211](https://github.com/kubernetes/kubernetes/pull/41211), [@enisoc](https://github.com/enisoc))...

    * If you are upgrading your Cluster Federation components from v1.3.x, please run this command to migrate the federation-apiserver-secret to federation-apiserver-kubeconfig serect;
    ```$ kubectl --namespace=federation get secret federation-apiserver-secret -o json | sed 's/federation-apiserver-secret/federation-apiserver-kubeconfig/g' | kubectl create -f -```
    * You might also want to delete the old secret using this command: