See the blog article for details about this release.
This release delivers an exceptional amount of new and updated content. There are many new features in the API and Viewer. The API samples have received an overhaul with more comments and documentation. The documentation for the API has been updated as well as several new topics. For complete details see the What's new and Concepts in the API.
Notable features in version 3.1: Support for Attribute Tables Better support for viewing and editing related records (AttributeTable, RelationshipInspector) Map rotation More layer types: CSVLayer, GeoRSSLayer, WebTiledLayer More dynamic layer samples More configuration options in Application Builder