Whatsapp messenger is constantly improving with lots of features and I am sure you do remember the recall feature which is serving a lot of purpose right now. An update is available for ios users whatsapp 2.17.81 one which allows you to do the following:
Record Lengthy message
When you want to record a voice message just swipe up to lock recording so you can continue to record without keeping your fingers down.
The ability to watch youtube videos right within the whatsapp messenger :
With picture in picture you can also watch the video why you navigate another chat if you are using an apple phone just update your whatsapp and you will have this feature activated in your messenger for android users we are not really sure when the updates would roll out but very soon.