WhatsApp is introducing new controls that let you limit who can add you to group messages. VentureBeat notes that the app now lets you stop people from adding you to groups if they’re not a contact in your address book. Alternatively, you can prevent anyone at all from being able to add you, or else leave the option open to all.
Users that restrict who can add them to groups can still be added by private invitation. They’ll receive a link, which gives basic information about the group they’ve been invited to, and can choose to join it if they want to. Otherwise the link expires in 72 hours.
Previously a WhatsApp support page noted that the only way to prevent being added to a group was to block the group’s admin.
Read more at The Verge.