When the control is initially Collapsed setting the SelectedIndex does not update the SelectedItem property of the control and vice versa.

The SelectionMode must be Multiple.

If a dragged item is not over an existing item of the ListBox control the drop cue is not displayed. By default it should be rendered after the last item in the ListBox control.

Available in the 2014 Q2 Release.

The SelectionMode must be Multiple.

Available in LIB version 2015.3.1019, it will be also available in the 2015 Q3 SP1. Fix provided by the new IsScrollIntoViewEnabled property.

When the ItemsPanel is set to VirtualizingStackPanel which Orientation is set to Horizontal, selecting an item moves it to the rightmost position.

Available in LIB version 2016.3.1017, it will be also available in the 2016 R3 SP1 release. 

When the ItemsPanel of the RadListBox is RadWrapPanel and the user press Down/Up key the RadListBox selects always the next/previous item instead of the corresponding item on the next/previous row.

As a workaround, the ScrollingSettingsBehavior.ScrollStep attached property of the RadListBox control can be set to a value equal to that of the Height of the RadListBoxItems.

Available in R3 2017 Official Release Version.

In this case, the synchronization between the CollectionViewSource CurrentItem and RadListBox SelectedItem fails. The CurrentItem of the collection will reset the SelectedItem property of the RadListBox.

The ScrollIntoView method of RadListBox doesn't work when the VirtualizingPanel.ScrollUnit property is set to Pixel and the ItemsPanel of the control is VirtualizingWrapPanel.

If you create a class implementing ListBoxDragDropBehavior and override the CoerceDraggedItems method, the return value is not utilized. 

Available in LIB version 2018.1.205, it will be also available in the R1 2018 SP2 Release.

Available in LIB version 2016.1.321, it will be also available in the 2016 Q2 Release.

Available in LIB version 2016.3.1017, it will be also available in the 2016 R3 SP1 release.