I played Casse in 0.80 and was shocked to see how quickly chariots died.

I am playing them again now, and something has definitely changed. They seem better able to stand-off and chuck their javelins. I even managed a couple of successful charges into the rear of engaged units.

Have they lost their impetuous trait? I seem to recall that they used to skirmish for a while, then decide to commit suicide against some nearby spear warband - which forced me to keep them well to the rear of my own army.