http://newyorkyimby.com/2015/09/permits-filed-2251-nostrand-avenue-flatbush.html
I guess 600k sq ft of space wasn't enough. 80k more will be added, the link seems to indicate that they are expecting a supermarket or large dept. store. I've also seen a couple of places in my neighborhood picked up by developers at over asking prices so I guess things are getting serious when the developers start bidding against each other.