Simple Vocab and Contribution plugin

In earlier versions, controlled vocabs set with the Simple Vocab plugin would create dropdowns in the Contribution form. In the latest versions (Contribution 3.0, Simple Vocab 2.0.1), that doesn't seem to be the case. Is there an easy way to bring that functionality back?

Probably. I'm not sure that we'll get that into the first official release of Contribution 3.0 in the interests of getting it officially into the world, but it'll be something for us to see about adding in to an update.