WhatsApp's public group links have been rumored for months and we've even been able to join public groups since June, but unless you had modified the app thanks to some root-only shenanigans, you couldn't issue links to any groups just yet.
Now the feature is live in version 2.16.281 of the app, which is still in beta. If you're the admin of a WhatsApp group, when you go to add a new participant to your chat, you will have a new Invite to group via link option at the top of your contacts list. Tapping it opens a new screen with the unique link to your chat, which you can share via WhatsApp (although that does defeat the purpose, nah?),Read More