From the article, the office for Phase One appears to be almost fully-committed and they hope to be able to make announcements on some of the tenants this Spring. Also,...
The tract soon to be cleared could host as many as three built-to-suit office buildings, Smith said, with somewhere around 350,000 square feet of total space. He said there was a “reasonable chance” construction could start on one of those offices before the first phase started opening in mid-2019.
I'd have to go back and look, but I believe that would be a larger project than originally released.