Ok, so it turned out the fix upstream did was for qt6 only. It was above my ability to backport to qt5 and the devs wouldn't. There does appear to be a workaround here: https://bugs.kde.org/show_bug.cgi?id=468240 I am truly sorry.
** Bug watch added: KDE Bug Tracking System #468240 https://bugs.kde.org/show_bug.cgi?id=468240 -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to ark in Ubuntu. Matching subscriptions: kubuntu-bugs https://bugs.launchpad.net/bugs/2068491 Title: [SRU] Fix regression ark cannot open 7zip files To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ark/+bug/2068491/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs