It would be very helpful if you can plan to create kind of a "drawing tool" to design specific views for flows, state models, workflows, etc.

Available in the 2016 R3 release

The problem is happening with Rad Docking in X1 Yoga Thinkpad laptop. The problem is so that when launching the pane in Raddocking then the pane opens up outside the window. This is happening even if the window is not near to the border of the screen. Video and the same project attached.

Add: ListView Control

New Control: WPF Web Browser

I'd like to put in my request to have a control that would allow to magnify a part of the image as mouse goes over. Here is link to see a running sample:
http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=11439
As you move your mouse over, another window opens up to show a magnified version.

Create a contour plot control for Silverlight. http://mathworld.wolfram.com/ContourPlot.html

Create a Button editor control

Develop  a new control - Reflection Control.

This blends the text with the background and only a black rectangle is displayed. See the attached image.

InvalidProjectFileException is thrown when ApiAnalyzer cannot find the file Microsoft.VisualStudio.ServiceModel.targets referenced from a WPF project.

Add a way to aggregate TimeSpan values and apply different string formats. 

Something like an image Viewer for WPF with some kind of animation, not too fancy though.

Currently, the design-time theme changer automatically removes previous references to Telerik themes. If the application has runtime theme change logic, the old theme references are needed and the developer needs to add them manually, which is annoying.

Add support for debugging Telerik UI for WPF using Intellitrace.
https://blogs.msdn.microsoft.com/visualstudioalm/2015/01/16/intellitrace-in-visual-studio-ultimate-2015/