The designer said it will discount players who spent credits on the underlying significant expenses, restoring the distinction between the old and new costs to Rocket League Credits their Rocket League accounts.
"For instance, buyers of Crimson Fennec will get 500 Credits back today, as a Crimson Fennec now costs 700 rather than 1200 Credits," Psyonix composes. "This value modification is a one-time just occasion, and just applies to buys made between December 4 and December 11."
The thing shop update shows up close by a minor fix that fixes a couple of waiting bugs. You can peruse the www.lolga.com notes for that update here.