I am marking this as Fix Released, as the current Quantal version of software center, 5.4.1.2 already has a separator line between the filter bar and the history treeview, see the attached screenshot.
I am marking this as Fix Released, as the current Quantal version of software center, 5.4.1.2 already has a separator line between the filter bar and the history treeview, see the attached screenshot.