WhatsApp working on a new feature to hide status to some specific user

This newest feature is already available to some Android user

The Meta-owned app has now released the ability to hide the online status to some beta users

There is currently no timeframe, but the global deployment will happen after, just like with any other experimental feature

Anyway, If you want to test every new feature of Whatsapp then you can sign up for the beta program of WhatsApp