This is not what happens when software companies like Adobe and now Maxon acquire new pieces of software that fit their market niche and subscription portfolio. Nothing from ZBrush will be ported to Cinema and nothing from Cinema will be ported to Zbrush, because in reality you can't just plop code or design from one software to another any more than you can combine two different artists' paintings into one painting. The only conformity between the products will be how they are billed and maintained, and we already see that change happening.