From what i could find, the art CG got more complex:
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After digging a little, it seems there's two artists working on the CGs now, Pigutao and Ganassa (LoQO). Before that he had JiangShi, who (from what i could find) ended up with a severe leg injury and did end up ghosting. I think they did much of the refugee camp, and the two replacement artists were going to try and mimic her art style. There was also art by momdadno, but he had to quit due to Seeds of Chaos getting a heavier workload.
That's what i could find, anyway.