I'm using KDE 5.8.5 and experiencing same problem here. The software sources dialog never opens!
I'm using Ubuntu 16.04 with Kubuntu-backports ppa. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1612392 Title: [sru] Muon: missing dependency on software-properties-kde To manage notifications about this bug go to: https://bugs.launchpad.net/muon/+bug/1612392/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs