Share Wi-Fi password with other Apple iDevices

Overview

Apple removed the complexity of sharing Wi-Fi passwords with other iDevices. When one device is already connected to the network, it will attempt to share the Wi-Fi password with any new iDevice attempting to connect.

Details

In this example my iPhone is connected to the Wi-Fi network, but the iPad is not. By entering Settings -> Wi-Fi on the iPad and selecting the appropriate network:

The iPhone automatically displays a message asking to share the Wi-Fi password:

Once the Share Password button is pressed, the iPad automatically connects and the iPhone displays a message letting the user know the password is shared successfully: