Make sure you set QT_QPA_PLATFORMTHEME=gtk2 environment variable, like the package description says.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874102 Title: Cannot start qt application with gtk2 theme To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtstyleplugins-src/+bug/1874102/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs