Last November, WhatsApp introduced the disappearing messages feature that deletes chats automatically after seven days. And a year later, it has increased that time limit, allowing you to set messages for auto-deletion after 24 hours or 90 days in addition to the previous one-week option. Not just that, WhatsApp users will now also have the option to turn on the disappearing messages feature for all new individual chats by default. Previously, it had to be enabled manually. And, once you've turned on default disappearing messages, the app will display a message in your chats telling the...
Source: https://www.gsmarena.com/whatsapp_disappearing_messages_default_new_chats-news-52168.php