This document recaps the OpenStack Summit held in Berlin in 2018. Over 2,700 attendees from 63 countries participated in the summit, more than 50% coming from outside Germany. The Rocky release of OpenStack was highlighted, and the 2018 user survey provided insights into typical OpenStack deployments, which most commonly use KVM as the hypervisor, Ceph for block storage, SQL for identity, CentOS for the operating system, and Ansible for configuration management.