iOS 13 has been a pretty embarrassing release for Apple, going from one buggy release to another. And some of the bugs were huge showstoppers that massively impacted the ability to do work on the platform.
Apple itself knew how bad iOS 13 was, and has put plans in place to improve future releases.
But the end of the year is now in sight, and Apple has released iOS 13.3, likely the last iOS/iPadOS release of 2019, what is the current state of iOS 13.