From the blog "Development Blog"

With the main culling and rendering algorithm done, I am focusing on the billboard display for the Leadwerks 3.7 vegetation system. My goal is to reduce the popping artifacts the Leadwerks 2 renderer displayed:   I am testing with a non-plant model with the idea that if I can get it to look reasonably well with an oddly sized mechanical object with highly visible lines, then a tree should look very good. Below you can see part of the billboard image drawn on the screen showing the object