He's been quietly publishing over the years, and waiting for instruments like Webb and Euclid to return data. Here's an up to date list:

https://inspirehep.net/literature?sort=mostrecent&size=25&pa....

Another list on his homepage, but not up to date:

http://www2.phys.canterbury.ac.nz/~dlw24/dlw-pub.html

I think the most exciting thing is probably the team he's got together now, and some of the computational stuff his associates have going at the moment.