Update April 29, 2017: Below function has been added to Android beta 2.17.163 and WhatsApp Web
Soon you will able to pin your favorite and important chats in WhatsApp.
Twitter account WABetaInfo discovered the new, hidden, function in Android beta 2.17.105.
It will be possible to pin a maximum of three chats. You will have quick access to these chats and you won’t miss any messages.
How it works:
- In the Chats screen, long press on the chat you wish to pin
- On the top bar, select the pin icon
The chat is now pinned and will appear on top of your Chats screen.
Below some screenshots: