The library for web and native user interfaces
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Excited to see the release today of Next.js 13, which includes beta support for React Server Components as part of the React architecture!
Next.js 13
◆ Layouts
◆ React Server Components w/ Streaming
◆ Component-based Data Fetching & Caching
◆ Turbopack: the Rust-based Webpack successor
◆ Improved `next/image`
◆ @next/font
nextjs.org/13
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This new React app architecture is inspired by optimizations in the most-used apps on the planet; it uses the server and client each for what they're best at, so pages are fully interactive with less JS – and with a great, consistent dev experience across both server and client.
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React retweeted
React is hiring a Manager in London!
This role will support the team working on developer experience across React, React Native, and Relay including the React DevTools, new app installs, upgrades, profiling, and other workflows.
Apply here or DM me: metacareers.com/jobs/4523525…
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ALT screenshot of a text conversation * from me, an screenshot of a tweet from @reactjs that says "components", but the timestamp says "whenever this meme was possible". two people reacted "haha" to the message * Dan Abramov: wait this is a good tweet * me: isn't it too late * Dan Abramov: :( * me: ok I'll tweet it
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React retweeted
React Native 0.69 is out with React 18 🎉, bundled Hermes 🎒, and more!
We go over the new release in this blog post: reactnative.dev/blog/2022/06…
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React retweeted
Here's what the React team has been working on lately: reactjs.org/blog/2022/06/15/…
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React retweeted
We're excited to share that Jest is transferring to the OpenJS Foundation!
We are grateful to Meta for creating Jest and look forward to the future of Jest as a project led by the Jest community.
engineering.fb.com/2022/05/1…
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The React 18 TypeScript typings are out! As with most major releases, they include breaking changes to the types themselves. You can learn more about them here: github.com/DefinitelyTyped/D…
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There is an automated migration script that you can use to update your application code. It helps fix the most common issues when migrating TypeScript apps to React 18. github.com/eps1lon/types-rea…
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If your app doesn’t work after upgrading to React 18, the first thing to check is whether it’s wrapped in <StrictMode>. Strict Mode has gotten stricter in 18, but you can turn it off and address issues at your own pace later!
✨ More upgrading tips: reactjs.org/blog/2022/03/08/…
ALT If your app doesn’t work after upgrading, check whether it’s wrapped in <StrictMode>. Strict Mode has gotten stricter in React 18, and not all your components may be resilient to the new checks it adds in development mode. If removing Strict Mode fixes your app, you can remove it during the upgrade, and then add it back (either at the top or for a part of the tree) after you fix the issues that it’s pointing out.
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To clarify, this is a temporary upgrade suggestion to give the ecosystem maintainers time to update the libraries and code examples. The sooner you can add <StrictMode> back, the better!
We do think it should <StrictMode> ideally be around the whole tree. The messaging about that has not changed. There is a temporary period where libraries aren’t compatible yet but you might want to start using 18. But we do expect you to add it back.
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A small detail, but one that folks using server-side rendering might appreciate. React 18 adds an onRecoverableError callback to hydrateRoot so you can get notified about hydration mismatches in production. Helps find regressions!
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“React decides when to bounce” is a neat way to put it. 😌
Day 17 of #100DaysOfCode | @reactjs 18!
React 18 is out and it's huge! 🥳 Played around with useId and useDeferredValue. useDeferredValue kind of acts like debounce but React decides when to bounce! Really cool stuff! Those new hooks will be great for library maintainers!
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React retweeted
React Testing Library v13 with support for React 18 is now released.
Upgrade now if your app is using React 18.
npmjs.com/package/@testing-l…
Many thanks @sebsilbermann for the hard work on this release!
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React retweeted
0.68 is out! This release is the first to support the New React Native Architecture, marking an important milestone for the rollout!
Check out the blogpost for more details on changes and new architecture opt-in: reactnative.dev/blog/2022/03…
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