Overview

• Evidence in Android beta version 2.25.28.12 shows a new profile entry labeled “Reserve username,” reported by WABetaInfo and echoed by multiple outlets.
• Usernames are intended to replace public number exposure so people can be found by a unique ID without revealing their phone number.
• Contact attempts may require a security key or PIN, so knowing a username alone would not allow unsolicited messaging.
• Reported naming rules include 3–30 characters with at least one lowercase letter, digits, periods and underscores allowed, no “www.” prefix or domain-style endings, and uniqueness enforced.
• WhatsApp has not announced a launch date, with reports indicating a gradual expansion of reservation access and the possibility that a phone number will still be needed for registration.