Full cross-platform play is now live in Rocket League on PS4

With special thanks to all of our friends and colleagues at PlayStation, we are thrilled to announce that starting RIGHT NOW, Rocket League has entered the PlayStation Cross-Play Beta program! Players on PlayStation 4, Nintendo Switch, Xbox One, and Steam PC can now randomly matchmake with or against each other in all Online match types.

Source: N4G PC Full cross-platform play is now live in Rocket League on PS4