Fall of X is upon readers, tearing apart the delicate balance of the Krakoa Era. Since 2019, readers have gotten used to the Krakoan status quo. Marvel's mightiest mutants were placed in an entirely new situation, one where they were in charge of their own affairs and could protect themselves. As they built their utopia, the Orchis Initiative launched their ultimate attack and savagely decimated Krakoa. Mutants have lost everything.
Source:https://www.cbr.com/xmen-lost-paradise-fall-of-x-utopia-genosha/