The pH of baby poop has been changing since the 1920’s with “acceleration” of this change in the 1980’s. I suspect that increased carbohydrate and packaged/processed foods by nursing mothers is at least contributory, but more research is needed. That being said, a whole (real) food diet consisting primarily of vegetables (especially leafy greens), plus fruit, healthfully raised meats, and healthy fats is optimal over packaged and processed foods, period. Check out this article.
