Almost all games briefly get deindexed when you edit them! That is natural! Their policies are hard to find because you have to look all over for them, and there’s a bunch of panicky misinformation spread about. Pages usually get briefly checked over when you edit them.
https://itch.io/t/4120453/game-quarantined-search-or-indexing-problem-read-this
People are just more “aware” of it now because they’re actually checking.