To truly get a sense of how massive an update iOS 13 is, spend a few minutes digging through this page.
A few highlights:
Hide My Email Not sure you want to share your email address with a particular app? You’re in control. You can choose to share or hide your email address. You can also choose to have Apple create a unique email address for you that forwards to your real address.
And (in Maps):
Junction View helps drivers eliminate wrong turns and directional misses by lining them up in the correct lane before they need to turn or enter an elevated road.
Explore where you’re going before you get there with an immersive 3D experience that gives you a 360-degree view of a place. And enjoy smooth and seamless transitions as you navigate your way around.
Not to mention the addition of traffic lights and stop signs.
And the all new Reminders design, and the new anti-aging battery technology, and, and, and. The list goes on and on. This is one amazing update.