The bowling alley is still open.

Yeah, the Imagery for most of the blank area is from 2012 and most of the development has been in 2015/2016.
http://mvexel.dev.openstreetmap.org/bingimageanalyzer/?lat=40.5556214264592&lon=-112.01818719391301&zoom=15
There is more that has not been mapped that is completed or under construction but I don't quite know the alignment even using this: http://strava.github.io/iD/#background=Bing&map=15.17/-112.0156/40.5571