Source：http://www.fosoyo.com/article.asp?id=159
Breaking Changes
- The HierarchicalDataTemplate's HeaderTemplate property has been removed, the DataTemplate is more wpf-like
- The ContentPresenters has been changed to ContentControls in RadTabItem, CalendarButton; A Foreground template binding has been added
New Controls
- RadPageNavigation
RadPageNavigation is a custom framework developed by Telerik. It enhances your application's capabilities by providing an API for navigating through the pages. Additionally, the RadPageNavigation framework features built-in animations to further enrich the UI and usability of your web applications. - RadDragAndDropManager
Telerik Drag & Drop framework for Silverlight allows users to drag any element and drop it onto any other element. The associated events allow users to completely handle the Drag & Drop process, thus easily building complex and flexible business logic. - The Documentation has been updated to address the new controls. Also, we advanced the Databinding section of the RadMenu control
General Changes
- DisplayMemberPath now works for all items controls
RadComboBox
- Bugfixes
- The "focused" state was not applied when IsEditable=false
- Pressing Space used to close the dropdown when IsEditable=true
- New Features
- The dropdown is automatically closed when the user clicks outside the control
- The keyboard scrolling is more intuitive now
RadTreeView
- Changes
- The TreeView examples now use Linq instead of Serialization
- The TreeViewItems' checkboxes are now vertically aligned in all cases
RadMenu
- Changes
- The MenuItems in the QSF are now vertically aligned
RadTabControl
- Changes
- The default Align of the TabControl is now Left and not Justify (more wpf-like)
- Changing the TabControl position templates now updates the ControlTemplate as expected
RadNumericUpDown
- Changes
- The NumericUnit property has been renamed to CustomUnit
- Bugfixes
- The user could not enter the "V" character
- New Features
- The keyboard functionality and the user input behavior have been enhanced
- Keyboard up and down keys have been extended to act as the repeat button.Thus, they are affected by the acceleration, repeat interval and delay properties of the control.
- The cursor position behavior has been enhanced
RadWindow
- Changes
- The modal background has been changed from canvas to grid
- The API has been optimized to support the code compatibility with WPF