On the WhatsApp beta for iOS and the WhatsApp Desktop beta 2.2206.1 update, both of which are still in development, we discussed indicators for end-to-end encryption. WhatsApp is releasing the WhatsApp beta for Android 2.22.8.7 update today, and we found the following references in it:
As you can see in this screenshot, a new footer will appear at the bottom of your call history, indicating that your calls are end-to-end encrypted, meaning that no one can listen to them, including WhatsApp and Meta. WhatsApp is almost certainly going to implement the same footer at the bottom of your conversation list and status updates, although there is no sign of this at the present. Learn more about how end-to-end encryption protects your conversations and calls from the official WhatsApp Twitter account, where you can also find out about all the other changes made to WhatsApp beta for Android, iOS, Web/Desktop, and Windows!