Google Messages starts testing end-to-end encryption for RCS group texts – Engadget
Google Messages starts testing end-to-end encryption for RCS group texts  Engadget Google Messages Gets Encrypted Group Messaging  Droid Life Google Messages starts rolling out end-to-end encryption (E2EE) for group chats in beta  9to5Google Google Messages starts rolling out end-to-end encrypted group chats  Android Police Google Messages is Finally Encrypting Group Chats  Gizmodo