https://forum.paradoxplaza.com/forum/developer-diary/dev-diary-177-a-fresh-coat-of-paint.1854817/#post-30673536
177 - Artwork Update
Previous Dev Diary >>2076059 (Southeast Asia)

>using terrain generation tools instead of hand-drawing every terrain map by hand
>can zoom in closer to the terrain
>waves improved, especially near shorelines,
>cloud shadows added (can be toggled off for toasters)
Paper Map
>has Western and Eastern variants, by Options, so the sea monsters still remain but with Oriental flavors
Chinese Adjustments
>empires retitled to be more regional: Liang -> Zhongyuan, Wu -> Jingyang, Yue -> Lingnan, Shu -> Liangyi, and Qin -> Yongliang
>kingdoms shifted and some, like Yanyun have been split apart (Raole, Daibei, and Youji)
>more impassible terrain added around Sichuan and southern China
>preview of the County Map, but it's not done