However, that said, attached is an updated beta of the multisite mod with the v157 updates merged into it.
I will definitely install in sandbox and try it.

I'm racking my brain at how to say this nicely but, those looking at posts for answers need to realize that (as in this case) some of the folks shoot themselves in the foot and then want to complain.
Great advice!

Some people will not even delete old folders and/or installations and then they get hacked. They don't understand there's an open door in their server, when they do that.