The second version offers many changes such as.
*You can now run it in singleplayer
*Plenty of gameplay fixes
*heaps of graphical bugs fixed
*added the church back in
*optimisation improvements in the city
*Added gates to vineyard and G-force industries
*Added real time horse racing into the DAB for player driven gambling
*New warehouse near hospital and gas station
*Another shipping container in outback for purchase
*cubemaps should work now
*fixed drag strip light logic.
*fixed broken doors
*Mayor saferoom should work now.