content/operate/rs/release-notes/legacy-release-notes/rs-5-5-preview-april-2019.md
Redis Enterprise Software (RS) 5.5 Preview Edition is now available.
RS 5.5 is a preview version that includes all the capabilities of Redis Enterprise 5.4, plus support for creation of Redis databases with multiple modules and support for these modules:
RS 5.5 lets you create Redis databases with multiple Redis modules.
{{< video "/images/rs/multiple-modules.mp4" "Adding multiple modules" >}}
This preview version is a standalone version and is not supported for production environments. You cannot upgrade to it from a lower version or upgrade from it to a higher version. Unexpected behaviors/issues found in this release will be addressed in future releases.
This preview version is not supported for networks that are isolated from the internet.
To set up a cluster with nodes that can host databases with multiple modules, you must follow this procedure on each node in the cluster:
sudo ./install-modules.sh