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A smart and anticipated WhatsApp chat messenger feature will soon be rolled out and according to the latest report, WhatsApp is currently working on a new feature called Group Blacklist.
This new feature will allow users to choose who can add him/her to different WhatsApp groups.
This option allows you to blacklist certain contacts from inviting you to groups while still allowing group invites from trusted sources.
In cases where group invites are blocked, users will be prompted to send you a private invitation through the individual chat, giving you the chance to join the group.
Although, the feature is currently being rolled out to some beta users on Android and iOS, no official date when it will be fully rolled out to all WhatsApp users.