## Urgent Upgrade Notes

### (No, really, you MUST read this before you upgrade)

- kube-apiserver:

permissions on them manually. ([#47605](https://github.com/kubernetes/kubernetes/pull/47605), [@brendandburns](https://github.com/brendandburns))

* GKE/GCE: New and upgraded 1.7 GCE/GKE clusters no longer have an RBAC ClusterRoleBinding that grants the cluster-admin ClusterRole to the default service account in the kube-system Namespace. ([#46750](https://github.com/kubernetes/kubernetes/pull/46750), [@cjcullen](https://github.com/cjcullen)). If this permission is still desired, run the following...

* StatefulSet: The deprecated...

simplified heapster that is able to gather and serve current metrics values. It provides the Metrics API that is used by `kubectl top`, and horizontal pod autoscaler. Note that it doesn't include some features of Heapster, such as short term metrics for graphs in kube-dashboard and dedicated push sinks, which proved hard to maintain and scale. Clusters using Heapster for transferring metrics into long-term storage should consider using their metric solution's native Kubernetes support, if present, or should...