A possible workaround which I found is removing the Pager from the panel, using right-click -> Remove from panel -> Applet -> Pager, and then adding it again. This way it remembers the configuration.
-- Pager doesn't retain configuration https://launchpad.net/bugs/51021 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
