This should most likely will be the final hotfix of this dev cycle; changelog below.
V1.6.5.2 CHANGELOG
GENERAL
Fixed potential CTD with new LOD fading option
PHYSICS
GT1: Further inter-class aero adjustments to Mclaren GTR & Mercedes CLK-LM; Adjusted Mercedes CLK-LM engine consumption
AI
Further adjustment to AI peak slip angles, brake usage & lateral rates for F-Classics & F-HiTechs to further mitigate high speed instability issues
Minor dynamic corridor adjustments to Daytona RC, Hockenheim 1988, Jacarapegua 1988, Silverstone 1991
Adjusted AI speeds at the entry of Sebring T1, Interlagos 91/93 T6, Jacarepagua 1988 Curva Sul to mitigate instability issues with some classes through these high speec corners
TRACKS
Taruma: Adjusted placement of barriers at chicane layout to mitigate risks of AI pile-ups
VEHICLES
McLaren F1 GTR: Fixed custom liveries not applying