Meta is expanding its in-app AI-powered summaries feature on WhatsApp to include unread context across multiple chats. Here are the details. WhatsApp to expand in-app AI summaries As spotted by WABetaInfo , the latest TestFlight build of WhatsApp includes references to a new feature that will let users view an AI-powered summary of unread messages across multiple chats. Currently, the app offers an AI-powered summary of unread messages within each individual chat, with the entire summarization process being handled by WhatsApp ’s Private Processing system . Now, according to WABetaInfo , the app is working on “a unified unread chat summary feature,” which will add a “Get a summary” button at the top of the Chats tab when the “Unread” filter is selected. From WABetaInfo : As you can see from the attached image, WhatsApp is exploring the implementation of a feature designed to elaborate private chat summaries.…