Just a thought for the positive here.
Scrivener iOS has worked flawlessly for me, with Scrivener Windows and Dropbox, since the early times, and through ever-increasing use.
Today, I brought up the slept laptop, and under other windows, there was a Scrivener session I’d forgotten to close.
Nice alert, right away: would I like to update from the iPad?
Yes, I would indeed – and note in a short moment that it all works.
Kudos, if Keith and Lee, et al, should well already know that…