Is it a good idea, or a terrible one, to have both repositories together? Do the play along or do they conlict?

1 Answer 1


No it is not a good idea to have them both. Sometimes the Kubuntu backports PPA will install upgraded versions of dependencies which will result in broken packages(see here and here) because some packages require downgraded versions to function correctly.

  • 1
    Agreed. This is true of PPAs which provide big software stacks like KDE or GNOME in general. It's probably a better idea to stick to Ubuntu interim (6-month) releases and use Snappy, Flatpak and/or AppImage if you want to update software past the official versions. Otherwise you risk dependency hell (these formats avoid the problem).
    – Ads20000
    Dec 22, 2016 at 12:55

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