This just came via Jack Sasson:

The Oriental Institute of the University of Chicago announces the in
print and online publication of CAD U/W. The publication of this
volume completes the twenty-one volume set.

<http://oi.uchicago.edu/research/pubs/catalog/cad/>

I’ve been waiting for years for this volume and it brings the Chicago Assyrian Dictionary to a close.  This project is one of the great intellectual achievements of the previous two or three generations.  Here is a blog post from a couple years back that contains a video about the project.  I’d write more but I need to start reading the new volume…