I forgot to delete this one as I duplicated it in the OS5 forum.
I have Twonky installed and I think configured.
Think I now have Sonos back by enabling SMB 1, 2, and 3 in the network settings, just waiting on the library indexing but it is playing one of my NAS playlists.
TV still goosed but hey ho, you live and learn I suppose, if it ain’t broken, don’t fix it haha