Bet TSLA
Active Member
They can write virtual hardware testbeds. I really don't see how they could get by without doing so.
I'm sure they do, but the combinatoric explosion still means they can test only a tiny percentage of what's actually out there. And, of course, testing on a simulator only sort of tells you how the real hardware will behave. Good luck with the edge cases.
So no, I'm quite sure they test only a small, but representative, portion of the combinations of hardware out there. Things will slip through. That's part of the reason for staged rollout of updates.