The latest release marks the third run of this model. New features include two new road names, including Spokane Portland & Seattle (SP&S), Northern Pacific (NP) and delivers new lading color bands for the Atchison Topeka & Santa Fe (AT&SF) railroad.
This is partial text from the full article (usually with photos) at https://railroadmodeling.net/news/san-juan-model-co--delivers-popular-general-american-tank-car-gatc