Discover how Red Hat Service Delivery SREs automate the upgrade process for their OpenShift cluster fleets in this 34-minute conference talk from DevConf.CZ 2024. Explore the challenges of coordinating upgrades as cluster fleets and service portfolios expand. Learn strategies for implementing hands-off upgrade processes that align with the requirements of Red Hat managed services. Gain insights from speakers Gerd Oberlechner, Patrick Martin, and Maor Friedman on maintaining sustainable and secure service management through efficient cluster update practices.