Tesla releases FSD v14.3.7 with vision and system reaction improvements

Tesla has officially released version 14.3.7 of its supervised Full Self-Driving (FSD) software, update 2026.21.5, available since August 1, 2026. This version includes enhancements in reinforcement learning training of the neural network, optimizations in the vision encoder for low visibility and rare object scenarios, and a rewrite of the AI compiler that reduces reaction time by 20%. Additionally, detection and response to emergency vehicles, small animals, and complex traffic lights have improved, along with increased driver monitoring sensitivity. The model has also been unified across Ac

• FSD v14.3.7 improves reaction time by 20% with new MLIR compiler
• Actually Smart Summon max speed increased to 13 km/h
• Vision improvements for rare objects and low visibility scenarios

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