Xbox Boss Wants Fortnite PS4 / Xbox One Cross-Play, Developer Agrees - GameSpot

Phil Spencer says he wants PS4 and Xbox One gamers to play together; Sony won't allow it.
In Fortnite, players and their friends lead a group of Heroes to reclaim and rebuild a homeland that has been left empty by a mysterious darkness only known as “the Storm.”

News - July, 2013

Xbox Series X out here changing the game : r/halo

PlayStation 4 finally allows Switch and Xbox cross-play with Fortnite beta

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News - November, 2020

Sony Boss Talks PS4's Cross-Play Future, Post-Fortnite - GameSpot

Epic: “Traditional Divide Between PlayStation and Xbox Owners Doesn't Need to be There”