This new feature on WhatsApp allows a group of people to make a video call in real time, and the app also has a new update on voice and video chat that does not deliver in real-time sometimes network connection is weak.
According to WhatsApp, the video group call feature is designed to work flawlessly and reliably with any “reasonable” network condition around the world.
Remember that WhatsApp messaging chat services and group calls are entirely end-to-end encrypted. You can’t start calls from the group chats; a user needs to add everyone that needs to be included in the video call in other to begin Video conversation by starting with one person.
This feature is available now on the Android and iOS update. Moreover, it was revealed at the F8 2018 a few months ago.