Boeing had an approach to this issue: Your either running the correct version of the CAD software, or you can't check in designs. This also meant that every

Boeing had an approach to this issue: Your either running the correct version of the CAD software, or you can't check in designs. This also meant that every time it was updated there was a rush to get engineers who's update did not work back up and working. Fortunately those were a small minority and it was usually disk space issues.