If you double-tap on a fixed-width viewport page in iOS Safari today, it scrolls the page so the content you tapped is centered. The blog post doesn't mention

If you double-tap on a fixed-width viewport page in iOS Safari today, it scrolls the page so the content you tapped is centered. The blog post doesn't mention this, but obviously they need to remove that behavior if they are no long detecting double-taps. Maybe it was good for accessibility?