V trg gur srryvat vg unf fbzrguvat gb qb jvgu jung ynzcf ner yvg va gur fbhgujrfg cneg bs gur znc, ohg V pnag znxr gur pbaarpgvba lrg. Vs lbh svther vg bhg yrg zr xabj.
The change you caught in 1.8 was restoring that portion of the map to the way it was set in 1.6. That original change was done to avoid a red herring that had tripped some players up.
I will confirm that you could not figure out how to solve this puzzle before the (ROT13) erobbg frdhrapr.