Version 3.6 of both the ArcGIS API for Flex and ArcGIS Viewer for Flex was released on Tuesday December 17th, 2013. This release was focused on key user enhancement requests and bug fixes for both the Viewer and API.
Simplified use of AttributeInspector to display attributes of a graphic
User enhancement request to enable linking of attributes within AttributeInspector
Application Builder and Viewer Enhancements
For a complete list of Application Builder and Viewer enhancements, see the What’s new in ArcGIS Viewer for Flex topic on the Resource Center. Improvements were made to the core Application Builder and Viewer, and many of the widgets.