Meta adds private AI chats to WhatsApp; Instagram drops E2EE

Meta introduced an Incognito Chat mode for its Meta AI assistant on WhatsApp and removed optional end-to-end encryption for Instagram Direct Messages as of May 8, 2026. The two changes affect how private conversations are handled across the company’s messaging services.

WhatsApp’s Incognito Chat runs on a system Meta calls Private Processing. The company described the feature as “Truly private — no one can read your conversation, not even us.” Incognito chats create temporary conversations that are text-only, are not saved to users’ accounts by default and disappear after a set time. Meta said the AI runs in a sandboxed environment and that Incognito chats are separate from WhatsApp’s regular person-to-person messages, which remain end-to-end encrypted by default. Meta is developing a Side Chat feature that will let users invoke Meta AI inside other WhatsApp conversations while using the same Private Processing infrastructure.

Instagram stopped supporting optional end-to-end encryption for Direct Messages on May 8, 2026. Users who had enabled the feature received notices stating that “end‑to‑end encrypted messaging on Instagram is no longer supported as of 8 May 2026” and were advised to download backups of encrypted conversations before the cutoff. Instagram had offered end-to-end encrypted DMs as an opt-in feature since late 2023; the setting was available within individual conversation controls rather than enabled by default. Meta cited low adoption and system complexity as reasons for removing the feature. Critics pointed to the feature’s low visibility and opt-in design when questioning the removal.

End-to-end encryption is a cryptographic method that ensures only the sender and recipient can decrypt message contents. Private Processing and the Incognito label are presented by Meta as privacy-preserving approaches for interactions with its AI, but those terms do not describe the same technical guarantee that end-to-end encryption provides for user-to-user messages. Incognito chats are exchanges with a large language model operated by Meta.

With the changes in place, WhatsApp continues to provide default end-to-end encryption for human-to-human chats while offering an optional private mode for AI interactions. Instagram now handles DMs without end-to-end cryptographic protection, which means messages on that platform may be readable by the service and could be accessed under lawful orders or in the event of a data breach.

The updates come amid broader attention from regulators and legal systems to AI-generated content and chatbot interactions. Ephemeral AI conversations and disappearing messages raise practical questions about records and evidence in legal processes. Both the Incognito Chat rollout on WhatsApp and the Instagram encryption discontinuation took effect on or before May 8, 2026.