Right now it doesn't duplicate the icons in Ubuntu 12.04 for me but when I select "Keep in launcher" and I close the application, then I launch it from the sidebar, it doesn't have arrows and the icon behaves like a launcher instead of an icon of a running application.
Right now it doesn't duplicate the icons in Ubuntu 12.04 for me but when I select "Keep in launcher" and I close the application, then I launch it from the sidebar, it doesn't have arrows and the icon behaves like a launcher instead of an icon of a running application.