React Hebdo #265: React Skills, json-render, ViewTransition, Base UI, shadcn, Store, MDX, GTK | RN Windows/macOS/Harmony, Brownie, Enriched, Navigation, Teleport, Nitro | TC39, Astro, jQuery, Node.js | This Week In React
Briefly

React Hebdo #265: React Skills, json-render, ViewTransition, Base UI, shadcn, Store, MDX, GTK | RN Windows/macOS/Harmony, Brownie, Enriched, Navigation, Teleport, Nitro | TC39, Astro, jQuery, Node.js | This Week In React
"Hi everyone! This week, we saw a lot of activity on X about the new AI skills system. Personally, what excited me most is the new Firefox release that unlocks interesting things for React developers. The React Native ecosystem is also super active, with many interesting releases. And I'm sure Expo 55 beta will drop just after we send our email 😅, so make sure to check their blog because it's coming soon. Don't miss the next email! As always, thanks for supporting us on your favorite platform:"
"Debugging Next.js in Production Next.js makes it easy to ship fast, but once your app is in production it can be hard to tell where errors, slow requests, or hydration issues are really coming from. Join Sentry's hands-on workshop where Sergiy Dybskiy will dives into how these problems show up in real apps and how to connect what users experience with what's happening under the hood. 🚀 Register today!"
"Agent Skills A new Anthropic spec is gaining traction in the AI dev community. Skills let agents acquire capabilities on demand via progressive disclosure-lazy-loading only what's needed to keep context slim. It's been a hot topic in React this week, with multiple projects shipping open-source skills and tooling: Firefox 147 You might wonder why Firefox is the headline of the React section? It turns out this release is quite important for React developers, unlocking 3 new APIs that are now available in all browsers 🎉: View transition types - React is relying on it (document.startViewTransition({update, types})) to conditionally enable its <ViewTransition> component. That component is still canary, but once unflagged, it should now work in all recent browsers! CSS anchor positioning - An awesome addition to CSS that should replace the need for JS-based positioning libraries many React apps used for dropdowns and tooltips, such as Tether, Popper.js, Floating UI... Navigation API - This complete"
There was heavy activity on X about the new AI skills system and multiple open-source skills and tooling shipped in the React community. A new Anthropic spec for agent skills enables on-demand capability acquisition via progressive disclosure and lazy-loading to keep context slim. Firefox 147 adds three cross-browser APIs: View transition types, CSS anchor positioning, and the Navigation API, enabling React's ViewTransition component, replacing many JS positioning libraries, and improving navigation control. The React Native ecosystem remains active with several releases and an Expo 55 beta expected soon. Sentry offers a hands-on workshop on debugging Next.js in production.
Read at Thisweekinreact
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