Recently, Valve put some new rules in place for Steam pages, because they were getting a bit messy with some publishers using them like pure advertising boards for other games. Now though, Valve have announced more changes.
Read the full article here: https://www.gamingonlinux.com/2024/08/valve-tweak-steam-pages-again-giving-developers-some-more-options-while-dealing-with-the-mess