WhatsApp is working to improve its user experience by adding various features. Recently reports claimed that WhatsApp is working to provide multi-device support to its user for easy accessibility on all platforms. Following the same path recently WhatsApp added the extra layer of security while accessing WhatsApp web as now user needs to verify their biometrics before they log in to WhatsApp web.
Now in the latest WhatsApp beta version of iOS, they have added the logout feature. So now users will be able to use up to 4 devices with the same WhatsApp account. Log out feature is introduced to allow users to log out their WhatsApp account from linked devices.