Widgets can be published on the network and be accessed remotely
Desktop configuration is now scriptable using JavaScript
Browsing through recent notifications
Work-flow and layout improvements in the device manager widget
System tray items can now be automatically shown or hidden
New Plasma Netbook shell (Technology Preview)
Applets can now be associated to an application (e.g. picture frame with gwenview, etc.) Makes it possible to open the associated application using an icon on the hover bar