February 1st, Twitter updated saying it was his first day back in the studio.
End/near end of touring. Several interviews record Gary Numan announcing a collaboration with Trent Reznor (potentially new thing that is "not-so-nin"
Ghosts is always a possibility.
One things for certain: he's doing SOMETHING musical, be it with Numan, on his own, or with a team for another Ghosts project.