At the moment, we don't plan any changes to the layout of the Westhill course. That may change if we encounter serious problems with the curbs but as far as I remember you can easily stay away from the buggy point. So it's at your own risk to go to far over them.
We will use the (in January) actual patch. Even if it were the one with new physics
Over the years we experienced that a new patch would be released in the time of Christmas. So there would be time enough left to train, even something really relevant would be changed.