Enlarge / A Waymo autonomous taxi in San Francisco. (credit: David Paul Morris/Bloomberg via Getty Images) Tesla fans—and CEO Elon Musk himself—are excited about the prospects for Tesla’s Full Self Driving (FSD) software. Tesla released a major upgrade—version 12.3—of the software in March. Then, last month, Musk announced that Tesla would unveil a purpose-built robotaxi on August 8.