A brand new Rocket League update is out today, and the patch fixes a ton of issues. Several stage bugs, including an issue with the grass in Champions Field, have been fixed. Additionally, the Urban Central boost locations are now located like a standard arena.
Check out the full Rocket League update 1.38 patch notes below:

CHANGES AND UPDATES
Arenas

Brightness on DFH Stadium (Day) and Champions Field (Day) has been reduced

Fixed an issue with the grass in Champions Field (Day) on low detail

The broken texture on Starbase Arc has been fixed

Mac/Linux: Farmstead map visuals have been updated

Lighting on Farmstead has been adjusted

Urban Central boost locations are now consistent with other Standard Arenas

BUG FIXES
General
Boost audio will no longer cut out when rapidly tapping the Boost button

Season Reward Level progress should now display correctly at the end of Competitive matches

Added additional checks to prevent undesired demolish scenarios reported since the Autumn Update

Fixed several issues with in-game grass

The appearance of grass on lower detail modes on PC has been updated as part of ongoing optimizations

Fixed the item thumbnail for Halo toppers with a Black ?Painted? attribute

Fixed a game crash issue related to the Season 4 Reward Trails

The ?Labyrinth? Decal for Takumi has been fixed

The Season 2 Reward Prospect Boost has been fixed

Second player in splitscreen mode will now retain color choices made in the Garage

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