You can now hide from annoying people in WhatsApp. It would be like this in life

The beta version of WhatsApp introduced the ability to hide activity status from specific users. This is reported by WABetaInfo. 

This function allows you to hide the time when you last entered the messenger, not for all contacts, but for selected ones. So, the rest of the interlocutors will see your activity status, while unwanted contacts will not be able to follow you.  Configuration is carried out in the “Was online” section … One of the four options is “My contacts, except”. By selecting it, you will be able to select people for whom the activity status will be hidden. Earlier, there were rumors about the emergence of this feature. It is now available in beta. The release date of the function on the stable version of the messenger is unknown. 

WABetaInfo

in the fresh beta version of WhatsApp, the ability to create communities. The administrator can invite new members and readers using the link. Messages in such communities are protected by end-to-end encryption, that is, they can only be read by community members, and correspondence is not available to outsiders.