Apple provided and changed quite a lot on iOS 13 including Haptic Touch, replacing the previous 3D Touch feature. Haptic Touch is basically a long-press and hold gesture to open up additional features. If 3D Touch relies on strong or light pressure to open the appropriate content, then with Haptic Touch will change to the time of touch on the screen. However, going to iOS 13 using both 3D Touch and Haptic Touch will make you feel more difficult to use