According to https://bugs.kde.org/show_bug.cgi?id=343418#c16 , a packaging problem in kdelibs5-plugins (which contains compatibility plugins) might be the culprit.
** Package changed: kde-baseapps (Ubuntu) => kde4libs (Ubuntu) ** Also affects: kdelibs via https://bugs.kde.org/show_bug.cgi?id=343418 Importance: Unknown Status: Unknown ** No longer affects: kdelibs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1451564 Title: Single-click not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kde4libs/+bug/1451564/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
