Qwen 3.5 drops a practical fine-tuning guide, Nvidia doubles down on open models at GTC, and the Alibaba/Qwen trust wobble shows how fast developer confidence can shift. Plus AMD brings Ryzen AI to mainstream desktops, a hard safety story around Google's AI and mental health harm allegations, and an open source roundup on OpenClaw on Amazon Lightsail and Nvidia's telco model push.