Running bionic-proposed here and still can't see software-properties (0.96.24.33):
root@ubuntu:~# dpkg -l | grep software-properties
ii python3-software-properties 0.96.24.32.2 all manage the repositories that you install software from
ii software-properties-common 0.96.24.32.2 all manage the repositories that you install software from (common)
ii software-properties-gtk 0.96.24.32.2 all manage the repositories that you install software from (gtk)
ii software-properties-kde 0.96.24.32.2 all manage the repositories that you install software from (qt)
Running bionic-proposed here and still can't see software-properties (0.96.24.33):
root@ubuntu:~# dpkg -l | grep software-properties software- properties 0.96.24.32.2 all manage the repositories that you install software from properties- common 0.96.24.32.2 all manage the repositories that you install software from (common) properties- gtk 0.96.24.32.2 all manage the repositories that you install software from (gtk) properties- kde 0.96.24.32.2 all manage the repositories that you install software from (qt)
ii python3-
ii software-
ii software-
ii software-