Whatsapp no doubt is the world most popular messaging app. With over one billion active
users, and regular update, the service has
became a toast of many providing many great
features.

The service has introduce a new feature, a picture-in-picture mode which allows users to watch YouTube
videos. With the new feature, YouTube videos
will play directly inside the app, in picture -
in-picture mode.
When you receive a YouTube link and click on
it, the video will open within the app itself
allowing you to watch the video within the
app instead of opening in the YouTube app or
browser. The update also users to record long
voice messages by swiping up to lock the
recording, instead of having to hold down the
microphone button. And when you
finish recording, simply tap the finger to
ends the audio recording and send to the
user. Currently the update is only
available to Apple iPhone users but may soon be
available forAndroid users. The update is
available
as WhatsApp version 2.17.81 .

source;

https://greenloaded.com/technology/ios-whatsapp-update-allows-watching-youtube-video-within-the-app/