When the Window is opening or resizing and Winforms controls are placed inside its content the content flickers.

The thrown error is that the element that should be set as FocusedElement cannot be found.

Available in LIB version 2016.2.606, it will be also available in the 2016 R2 SP1 release.

Make it possible to be able to drag the Window not only from its Header. In some cases it is useful to be able to drag the RadWindow from within its content.

When the attached TextOptions.TextFormattingMode="Display" property is set to the RadWindow the window stops auto resizing its size according to the size of its content.

When creating a Word plug-in project for example, after showing a RadWindow instance moving that window by dragging it causes NullReferenceException.

Available in LIB version 2016.1.222, it will be also available in the 2016 Q2 Release.

Available in the 2016 Q1 SP1 Release.

It would help to use RadWindow like System.Window with:
- WindowInteropHelper for correct modal behavior
- Set window in task bar, also set taskbar icon/title
- Use RadWindow as MainWindow in Application (set Application.MainWindow property with RadWindow 

rendering problem is when minimized only

Currently the template of the dialogs should be customized:
http://www.telerik.com/community/code-library/wpf/window/how-to-modify-the-alert-dialog-icon.aspx

Available in the 2016 Q1 Release: Added an IconTemplate property that provides an easier way to change the predefined dialogs' exclamation/question mark images.

Available in LIB version 2015.3.1130, it will be also available in the 2016 Q1 Release.

If RadWindow has its Width set to a value greater that 50% of the screen and that window is snapped to the left or right, performing minimize and then restore leads to incorrect normal size .

Available in LIB version 2015.3.1123, it will be also available in the 2016 Q1 release.

Available in LIB version 2015.3.1012, it will be also available in the 2015 Q3 SP.

Available in the 2015 Q3 Release.

If you have set SizeToContent of RadWindow to true and you use one of the following options, SizeToContent will not work.

- UseLayoutRounding = true
- TextOptions.SetTextFormattingMode(dialog, TextFormattingMode.Display);

Available in the 2015 Q3 Release.

Place Expander as content in RadWindow. Once expanded, the SizeToContent feature stops working as expected.
Available in the 2015 Q3 Release.

Maximizing RadWindow from the header button shows a window with the size of the content if SizeToContent = true. If you maximize with double click on header it is ok.

It happens when IsRestrictedWhenMaximized set to true.