Patches and updates
ArcWeb Explorer 4.0 Flex API – 11/16/07
ArcWeb Explorer v4 launches the fourth generation of ArcWeb Services. Version 4 builds on the success of the three earlier generations of ArcWeb Services—v1, v2, and v2006; with improved server-side performance, stability, and functionality.
See the ArcWeb Explorer Flex Developer's Guide for details.