Group 1 - The core focus of the news is the official rollout of OTA 8.2 upgrade by Li Auto on January 21, which includes the launch of the enhanced VLA version of the AD Max platform [1] - The upgrade emphasizes model reinforcement training, significantly reducing mechanical sensations during driving, leading to a smoother experience [1] - Li Auto's Senior Vice President of Autonomous Driving R&D, Lang Xianpeng, stated that extensive testing has shown the performance of the upgrade to reach industry-leading levels [1] Group 2 - The VLA driver model now incorporates behavior reinforcement learning capabilities, enhancing deep learning with millisecond-level data on steering and throttle actions [4] - The improvements result in more natural braking and turning, providing a more human-like driving experience, which contributes to a smoother and more comfortable ride [4] - The upgrade is applicable to all Li Auto AD Max models, including the Li MEGA, Li i series, and Li L series [6]