Your wings won't get in your way when you're not flying
Unless you disable this, you can fly underwater just as you could with a regular elytra
You can change the color and effects of your trail by using rocket stars
Generally it's easier to learn to fly in 1st person view, but some people find it easier to fly in 3rd person
When folded, your wings will neatly pack their rockets in your back
You can browse the available recipes for Aerobatic Elytras with JEI
You can now decide what's up and down
Unfolded wings while crouching
The crosshair splits in two when you use the key to look around
You can dye your Aerobatic Elytras, like armors, or with banner patterns
The crosshair displayed in first person view while flying shows tilt information visually
If you hold jump it'll be easy to fly in a straight line