A surprise new feature could be coming to the iPhone, something which Apple hasn’t announced. Something to manage invites could be on its way. And it could land as soon as this week for in-house testing,

Typically when we think of Apple and "invites," it's because the company is about to show off some new gear at a splashy product launch. But this time around, the product in question is a new invites-feature.

The developers behind well-known event app and website Partiful today suggested that Apple was in violation of its own App Store guidelines for