Occasionally, Veeam releases software updates to fix bugs, performance enhancements and introduce new features apart from major version releases of Veeam Backup & Replication. Here is an article on how to update Veeam Backup and Replication [vbr]:
Also, in this article, I have provided the steps on how to update Object First OOTBI Cluster. You will learn how to perform cluster update via the Object First management Console, and via the TUI