The latter.

They appear to be distinguished externally by the vehicle model and new sensor design. Currently, the production fleet in Phoenix and elsewhere consists of the Jaguar I-PACE.

The sixth generation would have been in testing phases -- closed tracks, simulations, and supervised driving. Now they're deploying on the Waymo Ojai (Zeekr) and Hyundai's IONIQ 5.

This is way more fun than I ever had in my Corolla.

From the company who got the world "go-goo"ing like infants, I, for one, can't wait to say "O HAI" to my new ride, or "Isn't it IONIQ, don't you think?"