Exception is thrown when running RadDocking in separate thread.

If there are more than 2 Panes in an PaneGroup closing one of the Panes with index bigger than 1 calls ActivePaneChanged  event twice.

Support the nesting of a RadDocking control in RadPane or other RadDocking control.

Removing item from the PanesSource collection causes NullReferenceException

When Saving and Loading a layout which has empty DocumentHost an ArgumentOutOfRangeException is thrown

Open a Window from a button placed inside the unpinned pane. The pane does not hide and the window is shown below it.