Chinese Tech Daily — 2026-05-29#

Top Story#

BYD unveiled its self-developed 4nm autonomous driving chip, the Xuanji A3, marking a major milestone for China’s domestic semiconductor capabilities. Even more significantly, BYD announced an infinite liability guarantee for accidents occurring while its city NOA (Navigate on Autopilot) is engaged, fundamentally shifting the risk paradigm for autonomous driving adoption in the industry.

Engineering & Dev#

Alibaba Damo Academy has launched a GPU version of its MindOpt solver to accelerate large-scale optimization problems in power scheduling and manufacturing, shifting the bottleneck from CPU-bound matrix decomposition to parallel GPU compute. On the robotics front, X-Square Robot open-sourced Wall-OSS-0.5, a vision-language-action (VLA) model that allows embodied AI to be deployed on physical robots without any task-specific fine-tuning. In the global AI race, Anthropic’s newly released Claude Opus 4.8 is dominating ambient coding benchmarks, helping propel the company’s valuation to a staggering $900 billion, surpassing OpenAI. For mobile systems engineers, sspai published a deep dive on Android audio output pathways using an old Sony Xperia XZ Premium, dissecting how DIRECT, MIXER, and OFFLOAD paths bypass or engage the AudioFlinger and effect chains to achieve true high-fidelity sound without forced resampling.