How do you use qtstyleplugins-src? Did you try to export QT_QPA_PLATFORMTHEME=gtk2 environment variable?
** Changed in: qtstyleplugins-src (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745452 Title: Xubuntu: Qt5-style-plugins does not use GTK file chooser, does not use GTK button order To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtstyleplugins-src/+bug/1745452/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs