I confirm this bug. It happens both in KDE3 and KDE4 and yes, the background of the rectangular area is the same of the KDE system window background. Look at the attachment to see how widgets are rendered in my case.
** Attachment added: "uglywidgetsff3kde.jpg" http://launchpadlibrarian.net/15627354/uglywidgetsff3kde.jpg -- Widgets are in square box of background colour https://bugs.launchpad.net/bugs/223274 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs