The "auto scroll into the view on selection" functionality does not to work as expected if the ItemsPanel is changed and a selection was previously done.
Available in the 2016 Q1 Release.
Can be reproduced when RadListBox is placed inside a Grid, a StackPanel with horizontal orientation or a WrapPanel. Available in LIB version 2016.1.125, it will be also available in the 2016 Q1 SP1.