Here's a small update that could make a big difference to your campaigns. You can now configure them to your liking, a new bunch of difficulty adjustment settings have been added.

v1.2.1 (2020.03.23)
- Add a bunch of extra options for starting new Campaign
- Keep cloud shadows when Show Clouds setting is OFF
- Make AI racers lose more control after driving over oil spills
- Prevent AI from going backwards after reset
- Add RIKUSYO and Metrocube avatars