Thanks for the advice and points to consider.
I don’t use iCloud Desktop and Documents: I linked only to show the type of icons available.
I need to check Finder to see if everything has synced, although I have grown to trust it, unless putting the Mac to sleep. I check before sleeping, as I used to do with Dropbox.
Yes, a change to a single file (even a Scrivener autosave) means the icon changes to show the update being made.
Yes, icons for every single file, however many folders deep.
A manual save or an autosave triggers an immediate sync.
A change to a big file that is already syncing just syncs again.
Yes, Keith says iCloud Drive is perfectly safe to use…
literatureandlatte.com/foru … 05#p244405
…and in my experience, he is right.