The optional new feature uses Meta AI to summarize unread messages in a chat. This summary would only be visible to you, not others in your chat, the company notes.

WhatsApp's latest feature helps users catch up on long conversations, but Meta AI has a unique way of processing that data. Here's what we know.

Behind on the group chat? Meta AI will access your texts to fill you in on the highlights. Here's how to turn it on (or keep it off).