I have a feeling that the best wm for the LXQT iso should be the openbox not xfwm, mainly
when someone wants a more uniform look between QT and GTK apps, obconf-qt (when you want to use with Kvantum) has less deps in comparison to appearance manager of the xfwm ,
its just my 2p anyway
cheers!
*update*
missing package(s):
lxqt-archiver