This diagramming tool can provide a toolbox with different models that can be dragged onto the canvas, edited, resized, rotated, etc.
Additionally a hierarchical model can be implemented that link different models on the diagram.

Examples:

http://demos.telerik.com/silverlight/#Treemap/AbsoluteValueBrushColorizer

Add your own example or features you would like a treemap control to have by commenting below.

One should be able to use CDN without having the Telerik.Web.UI.Skins dll deployed to the server..

In the same way that ASP.NET MVC wrappers are supported...

You need to support touch capabilities in your ASP.Net controls. Drag and drop and swiping are critical to my apps that I build for the PC. With Windows 8 and touch screen monitors now prevalent, you need to support them!

Native browser behavior is vendor specific and the above issue cannot be replicated with the latest version. Default browser in latest Android versions is Chrome and we recommend using it instead of the older native browser

It would be nice if all dropdown list controls (dropdownlist, radcombobox, etc) had a built-in "x" button somewhere which allowed the user to clear the selection of an item (ie set its selectedIndex to 0).

Clicking on the "x" would also fire the client-side and server-side (if applicable) SelectedIndexChanging and SelectedIndexChanged events.

I want it to be possible to use declarative localization for PagerTextFormat property in RadGrid Control. Currently the only way is by using code behind.

New control that can create / read / write PDF documents similar to "removed by admin"

RadEditor's RTF convertor improvements.

Integration with SP Ribbon