A new range of Dungeons & Dragons paints, the launch of the D&D Paint Academy, and painting tutorial team-ups with Youtubers BlackwaterDnD all incoming in 2027. https://www.tabletopsentinel.com/news/fantasy/the-army-painter-announces-forgotten-pigments-dd-paint-range-for-2027
The problem with these special colors is they stay around for 6 months or maybe a year then stop being made and we never see them again. So if you find a color that works for you, stock up.