Return from the debian bug is that the dependancy is correct on Debian. Expansion of ${misc:Depends} is different b/w Ubuntu & Debian that that's what leads to the missing packages :
Debian : Depends: libc6 (>= 2.14), libdbusmenu-qt5-2 (>= 0.9.3+14.10.20140619), libkf5configwidgets5 (>= 4.96.0), libkf5coreaddons5 (>= 5.2.0), libkf5notifications5 (>= 4.96.0), libkf5notifyconfig5 (>= 4.96.0), libkf5sonnetui5 (>= 4.96.0), libkf5textwidgets5 (>= 4.96.0), libkf5widgetsaddons5 (>= 4.96.0), libkf5xmlgui5 (>= 4.98.0), libphonon4qt5-4 (>= 4:4.8.0), libqt5core5a (>= 5.5.0), libqt5dbus5 (>= 5.0.2), libqt5gui5 (>= 5.2.0), libqt5network5 (>= 5.0.2), libqt5webkit5 (>= 5.0.2), libqt5widgets5 (>= 5.2.0), libstdc++6 (>= 4.4.0), phonon4qt5, zlib1g (>= 1:1.1.4), quassel-data (= 1:0.12.2-2), dbus-x11, gawk Ubuntu: Depends: libc6 (>= 2.14), libdbusmenu-qt5, libkf5configwidgets5 (>= 4.96.0), libkf5coreaddons5 (>= 5.2.0), libkf5notifications5 (>= 4.96.0), libkf5notifyconfig5 (>= 4.96.0), libkf5sonnetui5 (>= 4.96.0), libkf5textwidgets5 (>= 4.96.0), libkf5widgetsaddons5 (>= 4.96.0), libkf5xmlgui5 (>= 4.98.0), libphonon4qt5-4 (>= 4:4.8.0), libqt5core5a (>= 5.4.0), libqt5dbus5 (>= 5.0.2), libqt5gui5 (>= 5.0.2) | libqt5gui5-gles (>= 5.0.2), libqt5network5 (>= 5.0.2), libqt5webkit5 (>= 5.0.2), libqt5widgets5 (>= 5.2.0), libstdc++6 (>= 4.4.0), zlib1g (>= 1:1.1.4), quassel-data (= 0.12.2-0ubuntu1) Debian brings in phonon4qt5 which in turns bring in phonon4qt5-backend- gstreamer -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1506550 Title: quassel can't play audio notifications in wily To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/quassel/+bug/1506550/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs