- Google, Bing, Yahoo, ArcGIS Server Cache Layers!
- A new super-query service!
- User Extensions
- Better, Customizable Input Types
- More bug fixes!
- Bug fixes to the Geocoder and Popup Services
- Addition of Feature Report service
1) Is it worth the upgrade? Yes.
2) Is this the version that should convince me to upgrade from 1.X to 2.X? Yeah, this is definitely a worthwhile upgrade. The User Extensiosn and Custom Input types have really advanced customizations unavailable in the 1.X series of releases.