Wrc 8 - Fia World Rally Championship Build 558963...

Despite being the "best" build, it is not perfect. If you are running this specific version, here are community fixes:

Introduced unpredictable rain, snow, and hail that forces mid-stage strategy adjustments. WRC 8 FIA World Rally Championship Build 558963...

The WRC 8 FIA World Rally Championship Build 558963 has several patch notes, including: Despite being the "best" build, it is not perfect