A new AI skills spec from Anthropic is gaining traction, with Vercel launching a discovery platform and Callstack publishing React Native best practices. This modular approach to agent capabilities is becoming a hot topic in the React ecosystem.

Firefox 147 unlocks three key APIs for all browsers: View Transition types, CSS anchor positioning, and the Navigation API. These will directly benefit React developers, enabling smoother animations, replacing JS positioning libraries, and providing a cleaner alternative to the history API for SPAs.

The React Native ecosystem is buzzing with updates. Expo 55 beta is imminent, React Native Windows and macOS 0.81 enable the New Architecture, and Software Mansion is bringing RN support to Huawei's HarmonyOS NEXT. Meanwhile, Node.js patched a critical DoS vulnerability affecting servers using AsyncLocalStorage, common in React RSC and Next.js apps.