Tesla have also backed themselves into a corner by declaring that older models are hardware capable of FSD, so they can't easily add LIDAR to new models without being liable for upgrading/refunding previously sold models.

New for 2027 - ABSOLUTE Self Driving Pro Max!

I thought they had it on some models already, then removed it on models after?

edit: no, it was ultrasonic sensors. But this was likely object detection, and now it's gone.