From the part catalogue ("October 21, 2017 through Current Production", previous was - "October 14, 2016 through Current Production"):
- New part number for the MCU (same part for S and X now.)
- New part number for front lights.
- Automatic circuit breakers for the 12V system.
- Redundant power for servo.
- Double the cables for the radar, primary and secondary, perhaps a second redundant radar is coming?
- Secondary Autopilot ECU. 2 AP ECU, or perhaps just redundant power supply? 30A and 10A.
- New part number for the MCU (same part for S and X now.)
- New part number for front lights.
- Automatic circuit breakers for the 12V system.
- Redundant power for servo.
- Double the cables for the radar, primary and secondary, perhaps a second redundant radar is coming?
- Secondary Autopilot ECU. 2 AP ECU, or perhaps just redundant power supply? 30A and 10A.