(3) Since the latest iOS (and subsequent updates to it), I keep getting in the Books App that my iCloud Storage is Full. I regularly (like weekly or more often) back up my devices to the iCloud, so why is this happening? I’ve already lost a few PDFs because of this.
(2) Since the iOS 15 update (and the latest fixes to the iOS) not all of my stuff in Books is syncing properly across my devices and even my iMac.
I’ve restarted my devices and it still does this.
It has terribly affected Books in the following ways: (1) The Book App keeps reloading my PDFs, etc. IOS 15 has been a really buggy update whether it’s on my iPad or iPhone.
Some PDF documents may not be compatible with Books.