Dapper Drake, Ubuntu 6.06, Canonical's fourth release, was released June 01, 2006. It was the first long term release. Support for Ubuntu 6.06 desktop ended 14 July 2009 and ended for servers, June 01, 2011.
It's features included a faster new graphical installer, simplified menu organization, easy access to power manager with the GNOME Power manager, graphical shutdown, improved video playback, NetworkManager for roaming between different wireless/wired networks. It also included GNOME 2.14.1, OpenOffice.org 2.0.2, X.org 7.0.