Rocket League has been PS4 Pro Enhanced for the reason from dakunlee's blog

Beyond the Xbox One X improvements, the December update for Rocket League also brings leaderboards for Rocket League Trading Ranked Extra Modes, alterations to the XP/ Progression gadget that consist of additional ‘Weekly Win Bonuses', an all-new ‘Rocket League x Monstercat Vol. Five' EP, and new community flags for ‘Extra Life', ‘Speedy', and a third but to be found out, amongst others.

Rocket League has been ‘PS4 Pro Enhanced' for the reason that February last yr and has supported 4K resolution and 60fps on PCs for a while now. It's doubtful what is behind the postpone for Xbox One X update. Psyonix has additionally been going through a few trouble in building out the rocketleaguefans.com move-platform events feature, which has been repeatedly delayed.