Applied SP 13 but now have issues with Track deploy

We recently applied SP 13 to NWDI (we were at SP10).

I re-imported my track into NWDS, made a change to code and activated it.

The track was configured to allow auto-deploy to dev runtime.

While the activation resulted in a successful build by CBS (I checked CBS log) the application was not deployed to the dev runtime.

I had no issue with this before applying SP 13.

Any ideas?