Thanks for the precision. I was so busy watching the road that I never read the small print underneath the FSD Profile. So, no matter the mode, FSD v12 does jackrabbit starts, drives like a poorly trained teenager in some scenarios, and cannot be trusted. Hence, all drivers are very well-advised to carefully heed the "supervised" component, because you'll be doing a lot of that. V12 is definitely less terrifying than V11, but it's still not good enough off controlled access highways - especially when heading onto an exit ramp. Thus, I've turned it off and gone back to EAP-NOA & TACC because that choice feels safer to us, even if it is still on the v11 stack (per my recent chat with a Tesla service advisor via the Tesla app).