Q3 2014 SP1 for Telerik  
UI for WPF and Telerik 
UI for Silverlight are available for download. Here is the list of the major improvements: 
AllControls
  - Coded UI support for Visual Studio 2013
  
 Diagram
  - Implemented functionality that detects a connection creation being cancelled through the Esc key
  
 GridView
  - MergedCells now support NewRowPosition=“Bottom”
  
 PdfViewer 
  - Implemented JBIG2Decode filter
  
 PropertyGrid
  - Exposed EditedPropertyDefinition as a property of PropertyGridEditEndedEventArgs
  
 RadialMenu
  - AutomationPeers implemented
  
 RibbonView
  - Implemented Disabled visual state for RadRibbonGallery in all themes
  
 ScheduleView
  - Localization strings for missing AppointmentsSource and ViewDefinition warnings
  
 SpreadProcessing
  - Added improved API for freeze panes in the spreadsheet model
  - Implemented import of inline strings
  
 Spreadsheet 
  - Added improved API for freeze panes in the spreadsheet model
  - Implemented import of inline strings
  
 TileList
  - TileGroup implemented INotifyPropertyChanged
  
 TileView
  - Implemented inactive state for the "Minimize" icon when minimization is not possible
  
 TreeMap
  - Implemented Multiple and Extended selection modes
  
You can find a detailed list of all enhancements and fixes in the release notes for 
WPF and 
Silverlight.
Download the bits for 
WPF and 
Silverlight and give them a try. You can check our 
WPF and 
Silverlight demos and share your thoughts on our 
Ideas & Feedback portal.