Bad news for all those who were waiting for summer to come to get hold of Fall Guys
The reason you have stated is due to the agreement reached with Epic Games after becoming part of the family of the latter, which will allow him to have more tools to further improve the overall experience with a multitude of novelties. That is why it is not feasible to publish the game this year on Nintendo and Microsoft consoles.
So Mediatonic prefers to wait a little longer for keep working on new features, including cross-play between all platforms, and thus put the game on sale when everything is ready. In the meantime you will continue to receive more updates in the form of new seasons with more tests, game modes, costumes and much more.
Without going any further, he wanted to take the opportunity to reveal that Season 4.5 will be released very soon with a new mode and as many outfits to further customize the appearance of the characters.