Back again this time with software version 9 (2018.50.6) on California State Route 79.
Ordering a Tesla? Get 1000 miles or 1500 km of FREE supercharging:
Already ordered? Give this code to your Tesla rep: scott14032
Comparison to version 8 (2018.26.3) released about 6-months earlier. Fast drive on a scenic road with plenty of curves. 60 mph (95 km/h)
Note that this drive was under ideal weather and lighting conditions, and virtually no other cars on the road.