I have had gtk2-engines-ubuntulooks 0.9.11-1 installed for a while, and the scrollbar thumb still looks exactly the same as in the earlier attached screenshot.
So the bug does not seem fixed, at least for me. Could this bug be re- opened? -- Scroll-thumb badly drawn in acroread https://launchpad.net/bugs/37415 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
