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📨 #222: CRA, React Router, captureOwnerStack, TanStack, CTRA, tRPC, Astro, Preact | RN 0.78, React 19, Expo, noCompress, JitPack, CRNL, Screens | TC39, Interop, TS, CSS, Node.js, Deno

· 8 minutes de lecture
Sébastien Lorber
Sébastien Lorber
Editeur - Mainteneur de Docusaurus
🇫🇷 Non traduit :/
Malheureusement, cette page n'a pas encore été traduite en français. Reviens un peu plus tard!

Hi everyone!

This week we have 2 official blog posts from the React and React Native core teams! CRA is deprecated and React Native 0.78 is out with React 19 support.

🎂 We're also celebrating this newsletter's 5th anniversary! The first issue went out on February 13th. For the first 2 years it was only in French. I’d love to know who's been reading since the early days—say hi if you have! 😀

Check our partner conf React Native Connection -  🇫🇷 Paris - April 1-2 - 15% discount with code "TWIR". The French React Native conference is back with Britta Evans-Fenton (Shopify), Kadi Kraman (Expo), Krzysztof Piaskowy (Software Mansion), Saad Najmi (Microsoft) and more - and great deep-diving talks!

As always, thanks for supporting us on your favorite platform:

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    ⚛️ React​

    Sunsetting Create React App

    Sunsetting Create React App

    Long overdue, CRA has received the latest React 19 fixes and is now officially deprecated. This article explains the limits of the CRA and build tools regarding routing, waterfalls, code splitting, and more. The React team encourages us to adopt a framework like Next.js, React Router, or Expo to address these issues. However, you can still build a React app from scratch using Vite, Parcel, Rsbuild, or other modern build tools.

    The initial announcement sparked heated debates on X and GitHub, mainly because it overemphasized frameworks at the expense of build tools like Vite. It was soon updated to address these concerns. All this also led to potential collaboration opportunities between Evan You (Vite) and the React team to work together on an opinionated "official" way to integrate with Vite with React Server Components, with a commitment to maintain this integration over time in the React repository.

    Related news:

    • 📜 Use a framework to build React Native apps: A few months ago, the React Native team made a similar announcement, claiming “you’re either using a framework or you’re building your own framework”.
    • 📦 Create TanStack Router App: Jack Herrington’s first contribution to the TanStack is an alternative to Create-React-App, also introduced it in a video
    • 📦 CRA to Parcel: A script to migrate a non-ejected Create React App to Parcel

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      📱 React-Native​

      React Native 0.78 - React 19 and more

      React Native 0.78 - React 19 and more

      I bet you weren't expecting a React Native release so soon, but the team recently decided to releases smaller versions more frequently. Here are the highlights:

      • React 19 support!
      • Simplified process to enable the React Compiler.
      • Metro log streaming is back in 0.78 and 0.77.1, but opt-in with a new --client-logs flag, and still deprecated.
      • <Image> supports Android XML resources, unlocking possible perf improvements.
      • ReactNativeFactory on iOS to ease brownfield usage in any ViewController

      React 19 itself unlocks many cool things:

      • Actions (async transitions), useActionState(), useOptimistic(), all useful to submit forms and manage loading, error, and optimistic state
      • Use ref as a regular prop instead of forwardRef(), also supporting a ref cleanup function
      • Use <Context> instead of <Context.Provider>
      • Read contexts and promises with use()

      🔀 Other​

      🤭 Fun​

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      See ya! 👋


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