Fallout 76 won't have cross-platform multiplayer because of Sony
https://www.cnet.com/news/fallout-76-bethesda-sony-cross-play-todd-howard/
Sony doesn't want you to play with your Xbox or Switch friends -- and Fallout 76 cross-play is the latest casualty.
Bethesda's Todd Howard told GameStar.de last week that though he'd like to let you experience the first online multiplayer Fallout game with friends across PS4, Xbox and PC, Sony won't let it happen.