WhatsApp is working on so many new features/projects. They are coming with new video calling, Zip File Sharing, NFC etc.. Kind of new features.
Know More about it:
WhatsApp coming with new feature which will allow users to create a link to join a group and then can share it via other apps, or also can print it as a QR code. So you will won’t need a phone number to add anyone in the group.
They are also working on a new video calling feature. That will let you call to your contact over mobile data and WiFi connection through whatsapp.
A third new feature is the Zip File Sharing option: WhatsApp already added doc sharing feature in their app, which allow users to share .pdf files to share. They are expanding that feature to support ZIP file.
Source: http://www.androidpolice.com/2016/05/06/whatsapp-is-working-on-video-calls-nfc-tags-and-group-invites-voicemail-and-zip-file-sharing/
Whatsapp groups invites will look like this: i.e: (https://chat.whatsapp.com/ghhggjbdgm.)
Join WhatsApp beta version to get all these features from here: https://play.google.com/apps/testing/com.whatsapp
Download Beta app APk file from below link:
WhatsApp v2.16.106