This is a feature of the KWin of the KDE 4.11. The Kwin developer has removed most of the KWin notifications.
More: - https://bugs.kde.org/show_bug.cgi?id=258097 - https://git.reviewboard.kde.org/r/110113/ If you think that this is a bug and not a feature then it would be better if it was tracked at https://bugs.kde.org, so that the KDE developers can deal with this speedily and have direct communication with you as the reporter. Closing this from the Launchpad, marking it as a invalid. ** Bug watch added: KDE Bug Tracking System #258097 https://bugs.kde.org/show_bug.cgi?id=258097 ** Changed in: kde-systemsettings (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1205131 Title: No sound events for Kwin Window Manager Kde 4.11 RC1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kde-systemsettings/+bug/1205131/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs