Tesla launches Full Self-Driving version 14.3.7 with major software upgrades

Tesla began rolling out its Full Self-Driving (FSD) Supervised version 14.3.7 as part of the 2026.21.5 software update on August 1, 2026. The update adds a revised reinforcement‑learning training stage, an enhanced vision encoder, a rebuilt AI compiler that speeds reaction time by about 20 %, and refinements that reduce lane‑bias, tailgating, and improve parking‑spot selection, emergency‑vehicle response, animal handling, complex traffic‑light situations, and rare‑object detection. The driver‑monitoring system also gains better eye‑gaze tracking, and the model is unified across Smart Summon, FSD and Robotaxi.

Early user testing reports indicate smoother operation compared with version 14.3.6, with fewer brake‑stabbing or wheel‑jerking events and more reliable manual turn‑signal response. Tesla also announced an expansion of its FSD insurance program, offering larger discounts to owners who run the new software.