Bake Wrangler - Node based baking tool set

I just bought it, and I’m struggling. Some of the bakes (e.g curvature) seem to be using vertex colors first, which are then baked into a texture? I’m getting significant triangle stretching on my outputs, a telltale sign that vertices are being used rather than computation against the object’s faces.

Is there some setting I’m missing? This is how the curvature bake looks like (with the reference settings used):