Keller finished designing HW3 before departing Tesla. In a recent tweet Musk claimed HW3 is nearing production, then, a while after after media outlets rushed to report on the first tweet Elon threw out the caveat, which is that HW3 won't be going into cars until the software is ready, which could mean anything, and likely means they are nowhere near having their current software validated for HW3, let alone FSD.