The following RUCKUS ZoneDirector Release Notes have been published on the RUCKUS Support Portal. The PM can share the links below for release announcements as needed.
RUCKUS ZoneDirector 10.5.1 (GA Refresh 6) Release Notes
RUCKUS ZoneDirector 10.2.1 (MR1 Refresh 11) Release Notes
All ZoneDirector documents, including release notes, are available internally on Tech Pubs SharePoint organized into folders by product and release number here:
PDF document RUCKUS ZoneDirector 10.5.1 (GA Refresh 6) Release Notes does not containt changes for this particular release and content is almost the same between GA Refresh 5 and GA Refresh 6.