Regarding TrackIR not working in this version, I'm using a clean install, verified integrity and checked in Safe Mode.
Pidgeon is a little bit messed up. Frontal crashes usually end up with some spiking, shaking and even creating force that it will move car by itself. So far I found most of the issues in 4wheel version. Also this is the result of crashing into the wall at 45 degree. It doesn't look right and front bumper was shaking like crazy. Also roll wheels are too strong and deform strangely.
When I create traffic via radial menu, tachometer ui on traffic cars doesn't change. Tested in Safe Mode with cleared cache. Also, if I spawn traffic a second time with enabled vehicle pooling, game crashes.
please stop clogging up the thread with issues that are caused by outdated mods rather than bugs in the base game
About the Pigeon roll wheels, the whole body of the car was re-Jbeamed from scratch but the wheels only had some beam values changed, obviously they don't fit the new Jbeam and that's the reason why they behave so weird. And the other issue happens on the Wigeon as well.
Something is not right with graphic options. I changed textures, shadows and lightning to the highest for some testing. Then I change it back to how they used to be and I lost around 10-20 FPS for no reason.