We all know how to scroll through long documents or lists on iOS, right? You swipe on the screen, and then keep doing it, over and over, as fast as possible, like some kind of maniac. And, at some point in the future, you will probably arrive at the other end of the list. Scrolling to the very top is easy — just touch the top of the screen. But in iOS 13, you can grab the scroll bar that appears on the right side of the screen, and use it to navigate.
This is a really, really useful feature. Here’s how it works.