Messenger’s E2EE chats hide your online conversations from third parties, including Facebook itself. It also makes it more difficult for law enforcement and hackers to access the messages you’re sending and receiving. WhatsApp already has E2EE by default, and Instagram lets people switch on E2EE for individual conversations.
Previously, Meta didn’t offer any way to customize encrypted chats. As soon as you switched over to (or entered) a secret conversation, all customization options…