> The internal code changes are to use a more general event system for UI and tool > actions, and make all the UI infrastructure accessible and customizable from > Python. > Here's more http://wiki.blender.org/index.php/BlenderDev/SundayMeetingAgenda/December_23rd_2007 http://wiki.blender.org/index.php/BlenderDev/Blender2.5/Status Reed