Ubuntu 12.04 Precise Pangolin beta 2 – Disable Sticky Edges & Display one launcher, at last :-)
What’s new in Ubuntu 12.04 Precise Pangolin beta 2 since beta 1
Unity (both 2D and 3D) gained an option to configure the launcher for multi-monitor setups: you can now select to display the launcher on the primary monitor or on all monitors. The Launcher behaviour for multi-monitor setups can be set from System Settings (Displays, under Launcher Placement). Under System Settings, you can now also enable/disable Sticky Edges:
Via: webupd8.org
