Oh wow... I know what I'll get into after I've mastered all the DR2.0 locations.
https://www.youtube.com/watch?v=MLIuW3n2Rtk
I tried to buy it but failed, because there's no way to. Turned out maintenance of RBR is a community effort. Everything is opensource if you disassemble hard enough. https://rallysimfans.hu/
Mastodon server of https://doma.dev.