TLA Systems today announced the immediate availability of DragThing 4.6, the latest version of its popular dock application for Mac OS X. The update offers improved support for Safari and Mac OS X, better contextual menus for dock items, a “Paint Tools” window that lets you draw colors and textures directly onto your docks, a “Software Update” feature, and support for using CocoaTech’s “Path Finder” software directly with DragThing. DragThing requires Mac OS X 10.1.5 or later and sells for US$25 ($10 upgrade).