在服务端渲染（SSR）方面，React 19.2也进行了多项改进，包括对Node.js WebStreams的原生支持以及缓存信号的引入。这使得开发者能够在缓存失效时中断异步操作，优化了SSR性能，尤其对于大规模站点来说，提升了首屏加载速度。

Meanwhile, something new is bubbling up: the idea that you don’t need to handcraft React components line by line anymore. Instead, prompts to AI models can spin up entire interfaces in seconds, ...