Deluge 1.3.12 which was released in September, is a full-featured BitTorrent client for Linux, OS X, Unix and Windows. It uses libtorrent in its backend and features multiple user-interfaces including: GTK+, web and console. The latest release comes with a small number of bug fixes for GTKUI, Core, WebUI, Console and Win32. Deluge 1.3.12 changelog GtkUI Fix potential AttributeError? in is_on_active_workspace Core Include fix for Twisted 15.