WhatsApp is addressing a major concern by introducing a new feature that allows users to use unique usernames instead of sharing phone numbers. This change aims to enhance privacy and convenience for users when interacting with others. Users can now reserve their preferred usernames in advance to secure their desired name before the official launch. To do this, users need to update their WhatsApp to the latest version and navigate to Settings > Account > Username. The rollout of this feature will be gradual over the next few months, with notifications sent to users when usernames become available in their region. This update is expected to make group chats more secure and enable users to engage in conversations without divulging personal phone numbers.