Are you talking about the mobile app? You should always update. There have been fixes for (pretty bad) security issues in the past [1]. [1] https://www.whatsap

Are you talking about the mobile app? You should always update. There have been fixes for (pretty bad) security issues in the past [1]. [1] https://www.whatsapp.com/security/advisories/archive/ https://www.whatsapp.com/security/advisories/archive/