Today, Tesla has officially released the FSD V14.3 system update for models equipped with HW4 hardware, boasting a software version number of 2026.2.9.6. This significant update involves a complete rewrite of the AI compiler and runtime environment, leveraging the cutting-edge MLIR framework. As a result, vehicles experience a notable 20% enhancement in response speed, ensuring a smoother and more responsive driving experience. Moreover, the update introduces a novel feature that allows users to mark parking spots directly on the map, enhancing convenience and ease of use. Additionally, it optimizes the logic for handling special scenarios, such as encounters with emergency vehicles, ensuring greater safety and efficiency. The core upgrades encompass enhancements to the FSD neural network training and visual encoder, further refining the system's capabilities. Furthermore, Tesla has teased three upcoming optimization features, hinting at even more improvements on the horizon. This update primarily focuses on refining parking logic and extreme scenario handling capabilities, while also rebranding most of the 'Autopilot' labels in the interface to 'Self-Driving', aligning with Tesla's vision for autonomous driving. As of the end of the fourth quarter of 2025, Tesla's FSD has garnered a staggering 1.1 million global paid activated users, solidifying its position as a leader in the autonomous driving space.