See the examples to understand the effects, all images have WF embedded.
In my opinion, V2 is a clear improvement. It handles more extreme situations much better.
Description
Improved, now it can reach bigger sizes and is more natural use from -2 to +4. It have little influence from 0 to 1 but after that gives good changes from each 0.5. Describe well your image and it will not change the prompted part except for the breast area.