Inverted Reverse .... something? (patch notes)

Found this at the bottom of the patch notes.
So for some this might be an important part of the patch.

... Is it? I have no idea. But eh, it might be (where's Aesir when I need him?)

Edit:
Source: https://forums.station.sony.com/ps2/index.php?threads/update-notes-06-26.191225/

It's a fix for this:

I know what it is, just not which one was seen as the "bug".

Did you mean "forward"?

Sorry just waiting for the servers to come online (will stop posting now)

PS: Btw whats really annoying about the current tank steering .. if you tank slides slightly backwards but you try to drive forward, your steering is completly weird.