PureLife Cloud DokumentationSelf-HostedUpgrade Upgrade General → Upgrade from v2.1 to v2.3 → Upgrade from v2.3 to v2.4 → Upgrade from v2.4 to v2.5 → Upgrade from v2.5 to v2.6 → Upgrade from v2.6 to v2.7 → Upgrade from v2.7 to v2.9 → Upgrade from v2.9 to v2.12 → Upgrade from v2.12 to v2.14 → Upgrade from v2.14 to v2.15 →