Please read this complete Release Notes and instructions before upgrading.
Please follow the regular upgrade documentation for Windows or Linux
Upgrading any previous version higher or equal to version 11.8
Cluster: Running different versions on the servers in the cluster is supported but limited to version >=14.3.5
New Feature: Storage Migration during Uptime (BETA)
Automatic migration of data on backend storage This function is currently marked as in beta state. Although heavy quality assurance was run on it, we still recommend to fully run this function in test systems only.