Fortnite mobile will see Xbox One cross-play, but not Xbox to PS4 cross-play

Fortnite cross-platform crossplay guide for PC, PS4, Xbox One, Switch, Mac and mobile - Polygon

Xbox One Will Be Getting 'Fortnite' PC And Mobile Cross Play Too, Though Not With PS4

An Epic cross-play journey: Paragon, Fortnite, and what comes next - Epic Online Services

Xbox One will be a part of Fortnite's cross-platform plans — but still won't work with PS4 (update) - Polygon

Random 'Fortnite' Matchmaking Between Switch and Xbox, PS4 Not Supported Anymore (Correction)

Epic Accidentally Allows Xbox And PS4 Cross-Play In Fortnite, Disables It

Microsoft blames Sony over lack of Fortnite cross-play for Xbox One and PS4 players

Fortnite: Battle Royale Fans - I see so many console/mobile players complaining about this without understanding how cross-play actually works.

How to crossplay Fortnite on Mobile with other platforms

20 Best Cross Platform Games to Play on PS5 PS4 Xbox Series

Minecraft Will Be The First Crossplay Game Between Xbox One And Ps4 : r/Games