There are some exceptions: Premium DLC, Credits, Esports tokens, and a few different matters might not be shared. Player-to-player trading can also be restrained in order that Rocket League Trading gadgets can most effective be traded at the platform they have been bought on.
Those are minor boundaries, although, and the capability have to be a boon to players who move between console and PC, because they may not need to fight for two or greater aggressive ranks, and can work on one Rocket Pass development. (It's additionally part of Epic's grand method. Epic boss Tim Sweeney has been a vocal proponent of move-platform capability for years, and Epic lately made the go-platform infrastructure it constructed for Fortnite loose for different builders.)
For people like me who best play on Steam, there's a further incentive to Rocket League Trading Prices link an Epic account: Do it and you may get the "Chopper EG" wheels pictured above. They're sort of unsightly, even though, so I assume I'll continue to exist with out them.