Sony enabling Fortnite cross-play for PS4 against Xbox and Switch - The Verge

Sony is backing down and supporting Fortnite cross-play on PlayStation 4. The policy change will open up gamers to play across PS4, Xbox One, and Nintendo Switch

Fortnite on iOS and Mac losing cross-platform compatibility over Apple battle - 9to5Mac

Of course Sony is not allowing Fortnite cross-play between PS4 and Nintendo Switch

Sony charges for crossplay support to protect PSN revenue (This is probably why Genshin won't have cross save between psn and pc/mobile) : r/Genshin_Impact

Sony Explains Why Fortnite Doesn't Support Cross-Play on PS4

What do you guys think of BL3 not having PS crossplay? : r/borderlands3

How to Stream Xbox Games to Your Phone or PC With Remote Play

Fallout 76 won't have cross-platform multiplayer because of Sony - CNET

Nintendo and Microsoft team up to promote cross-play, while Sony remains silent - The Verge

Fortnite crossplay (Nintendo Switch, Xbox One, PC, Mac, Mobile) confirmed, Sony blocking PS4, Page 10