According to the patch notes, this includes improvements to horse riding, which now comes with a function to automatically follow the road to your marked destination. Horse speed has also ...

Auto-Follow the road is back to help you navigate while riding your horse. Simply activate the pathfinder to enable Auto-Follow, and your horse will automatically follow the road to your marked ...

For those curious, the patch size for the 0.2.0 update will be about 31GB for PC gamers on Steam or the standalone PC client. For those playing Path of Exile 2 on console, the patch is around 27 GB.