No, it is not.Question: Is radar still used as part of the driver safety systems (FSD, Autosteer, speed control, etc.) and still supported with updates as the software becomes more sophisticated?
Cars with radar had their radar disabled starting with build 2022.20.9.
2022.20.9 Release Notes:
Speed Assist (S3XY with radar)Your vehicle is now running Tesla Vision! It will rely on camera vision coupled with neural net processing to deliver certain Autopilot and active safety features. Vehicles using Tesla Vision have received top safety ratings, and fleet data shows that it provides overall enhanced safety for our customers. Note that, with Tesla Vision, available following distance settings are from 2-7 and Autosteer top speed is 85 mph (140 km/h).