In Easy Scarthgap 6.6.3 with the devx installed (not tested in Daedalus)
# ldconfig
ldconfig: /usr/lib/libQt5XcbQpa.so.5 is not a symbolic link
In easy.sfs, libQt5XcbQpa.so.5 is a symlink to libQt5XcbQpa.so.5.15.13
In devx_6.6.3_amd64.sfs, libQt5XcbQpa.so.5 is also present but it is not a symlink