Facebook Now Allows br Group Chats Across br Instagram and Messenger.br On Sept. 30, the social media br giant announced users can br now start cross-app group chats.br You have to opt in to br use the new feature.br Facebook says, “over 70 of eligible people on Instagram have updated to the new Messenger experience.”.br Facebook says, “over 70 of eligible people on Instagram have updated to the new Messenger experience.”.br The company is also implementing other new features.br Group DMs on Instagram and cross-app chats will now have the option to use polls.br Messenger has group typing indicators so you know when different people are composing a message.br Facebook's Watch Together feature can be used to watch videos with your friends from your Instagram feed.