After we tried to upgrade the WhatsApp app on our iPhone, we did get the feature to lock voice recordings; however, the YouTube feature is nowhere to be seen. First coming to the voice recording lock feature, as the name suggests, with this feature you can actually lock the voice recording so you don't need to record a voice message without holding the button down. By introducing this feature - WhatsApp possibly is aiming at maximum consumer engagement on the platform itself. Explaining this feature, WhatsApp notes, "When you receive a link to a YouTube video, you can now play it right within WhatsApp. Also Read: WhatsApp iOS V2.17.81 update lets user watch YouTube videos within the app

Source: India Today November 29, 2017 10:41 UTC