Does anyone know why the Related Cases grid has no +New Case while offline? I have updated the Ribbon rules to get it to show but for some reason its never visible while offline. Im using the Microsoft Dynamics 365 (Preview) app

Does anyone know why the Related Cases grid has no +New Case while offline? I have updated the Ribbon rules to get it to show but for some reason its never visible while offline. Im using the Microsoft Dynamics 365 (Preview) app