Rocco Speranza

We've observed an influx of reports that 2026.8.6 included relaxed driver monitoring among other Full Self-Driving improvements for HW3 Tesla vehicles. While many have felt this was subjective, we now have more proof that real changes (and improvements) were made in this update.

New release of FSD Supervised now starting to roll out This update brings 20% faster reaction time to further increase safety, among many other improvements Full release notes below Full Self-Driving (Supervised) v14.3 includes - Upgraded the Reinforcement Learning (RL) stage of training the FSD neural network, resulting in improvements in a wide variety of driving scenarios. - Upgraded the neural network vision encoder, improving understanding in rare and low-visibility scenarios, strengthening 3D geometry understanding, and expanding traffic sign understanding. - Rewrote the AI compiler and runtime from the ground up with MLIR, resulting in 20% faster reaction time and improving model iteration speed. - Mitigated unnecessary lane biasing and minor tailgating behaviors. - Increased decisiveness of parking spot selection and maneuvering. - Improved parking location pin prediction, now shown on a map with a (P) icon. - Enhanced response to emergency vehicles, school buses, right-of-way violators, and other rare vehicles. - Improved handling of small animals by focusing RL training on harder examples and adding rewards for better proactive safety. - Improved traffic light handling at complex intersections with compound lights, curved roads, and yellow light stopping – driven by training on hard RL examples sourced from the Tesla fleet. - Improved handling for rare and unusual objects extending, hanging, or leaning into the vehicle path by sourcing infrequent events from the fleet. - Improved handling of temporary system degradations by maintaining control and automatically recovering without driver intervention, reducing unnecessary disengagements. Upcoming Improvements - Expand reasoning to all behaviors beyond destination handling. - Add pothole avoidance. - Improve driver monitoring system sensitivity with better eye gaze tracking, eye wear handling, and higher accuracy in variable lighting conditions.

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What if FSD v14 Lite doesn't exist. What if that compiler rewrite for v14.3 will run natively on HW3, albeit at a lower framerate / higher latency? Just a thought...

Next flight of Starship and first flight of V3 ship & booster is 4 to 6 weeks away

Tesla won't start working on v14 Lite for HW3 vehicles until the v14 release series is fully done. In the Q3 2025 earnings call, they expected v14 Lite in Q2. By "v14 release series" I'm assuming they meant 14.1-14.3. Given the delays with v14.3, it's fair to assume that v14 Lite may note arrive until sometime in Q3 or maybe even Q4. I'd love to be wrong. I'm just tempering my own expectations.