We are currently working on STM version 5.7 and beyond (in parallel). Some of the items we hope to deliver:
Storage Manager Server and Agent health and status overview
Product stability improvements
Preservation of Agent and Server settings on upgrade
User-defined LUN Grouping
EMC PowerPath Support
Better "Storage Group" Dashboards
Disclaimer: Comments given in this forum should not be interpreted as a commitment that SolarWinds will deliver any specific feature in any particular time frame. All discussions of future plans or product roadmaps are based on the product teams intentions, but those plans can change at any time.