<A target="_blank" href="http://lekkimworld.com/2010/06/14/mywidgets_just_got_better_option_to_reuse_a_single_sidebar_panel_for_a_particular_widgets_action.html">Mikkel Heisterberg has posted a excerpt from the Notes 8.5.2 release notes</A> on the option to reuse a single sidebar panel for a particular widget's action.