React Labs: What We've Been Working On – June 2022 – React Blog

2022/06/15 9 users

React 18 was years in the making, and with it brought valuable lessons for the React team. Its release was the result of many years of research and exploring many paths. Some of those paths were successful; many more were dead-ends that led to new insights. One lesson we’ve learned is that it’s f... 続きを読む

React v18.0 – React Blog

2022/03/29 69 users

React 18 is now available on npm! In our last post, we shared step-by-step instructions for upgrading your app to React 18. In this post, we’ll give an overview of what’s new in React 18, and what it means for the future. Our latest major version includes out-of-the-box improvements like automati... 続きを読む

How to Upgrade to the React 18 Release Candidate – React Blog

2022/03/08 7 users

Our next major version, React 18, is available today as a Release Candidate (RC). As we shared at React Conf, React 18 introduces features powered by our new concurrent renderer, with a gradual adoption strategy for existing applications. In this post, we will guide you through the steps for upgr... 続きを読む

The Plan for React 18 – React Blog

2021/06/08 23 users The Plan for React

The React team is excited to share a few updates: We’ve started work on the React 18 release, which will be our next major version. We’ve created a Working Group to prepare the community for gradual adoption of new features in React 18. We’ve published a React 18 Alpha so that library authors can... 続きを読む

Introducing Zero-Bundle-Size React Server Components – React Blog

2020/12/21 12 users

2020 has been a long year. As it comes to an end we wanted to share a special Holiday Update on our research into zero-bundle-size React Server Components. To introduce React Server Components, we have prepared a talk and a demo. If you want, you can check them out during the holidays, or later w... 続きを読む

React v17.0 – React Blog

2020/10/20 29 users

Today, we are releasing React 17! We’ve written at length about the role of the React 17 release and the changes it contains in the React 17 RC blog post. This post is a brief summary of it, so if you’ve already read the RC post, you can skip this one. No New Features The React 17 release is unus... 続きを読む

React v17.0 Release Candidate: No New Features – React Blog

2020/08/10 23 users

Today, we are publishing the first Release Candidate for React 17. It has been two and a half years since the previous major release of React, which is a long time even by our standards! In this blog post, we will describe the role of this major release, what changes you can expect in it, and how... 続きを読む

Preparing for the Future with React Prereleases – React Blog

2019/10/23 8 users

To share upcoming changes with our partners in the React ecosystem, we’re establishing official prerelease channels. We hope this process will help us make changes to React with confidence, and give developers the opportunity to try out experimental features. This post will be most relevant to de... 続きを読む

Introducing the New React DevTools – React Blog

2019/08/16 42 users Introducing the

We are excited to announce a new release of the React Developer Tools, available today in Chrome, Firefox, and (Chromium) Edge! What’s changed? A lot has changed in version 4! At a high level, this new version should offer significant performance gains and an improved navigation experience. It al... 続きを読む

React v16.8: The One With Hooks – React Blog

2019/02/06 49 users

With React 16.8, React Hooks are available in a stable release! What Are Hooks? Hooks let you use state and other React features without writing a class. You can also build your own Hooks to share reusable stateful logic between components. If you’ve never heard of Hooks before, you might find th... 続きを読む

React 16.x Roadmap – React Blog

2018/11/27 41 users Roadmap React

You might have heard about features like “Hooks”, “Suspense”, and “Concurrent Rendering” in the previous blog posts and talks. In this post, we’ll look at how they fit together and the expected timeline for their availability in a stable release of React. tl;dr We plan to split the rollout of new... 続きを読む

React v16.6.0: lazy, memo and contextType – React Blog

2018/10/24 36 users lazy

Today we’re releasing React 16.6 with a few new convenient features. A form of PureComponent/shouldComponentUpdate for function components, a way to do code splitting using Suspense and an easier way to consume Context from class components. Check out the full changelog below. React.memo Class co... 続きを読む

Create React App 2.0: Babel 7, Sass, and More – React Blog

2018/10/02 19 users Sass Today Babel 7 and more

Create React App 2.0 has been released today, and it brings a year’s worth of improvements in a single dependency update. While React itself doesn’t require any build dependencies, it can be challenging to write a complex app without a fast test runner, a production minifier, and a modular codeba... 続きを読む

React v16.4.2: Server-side vulnerability fix - React Blog

2018/08/02 26 users

We discovered a minor vulnerability that might affect some apps using ReactDOMServer. We are releasing a patch version for every affected React minor release so that you can upgrade with no friction. Read on for more details. Short Description Today, we are releasing a fix for a vulnerability we ... 続きを読む

Update on Async Rendering - React Blog

2018/03/28 57 users

For over a year, the React team has been working to implement asynchronous rendering. Last month during his talk at JSConf Iceland, Dan unveiled some of the exciting new possibilities async rendering ... 続きを読む

Sneak Peek: Beyond React 16 - React Blog

2018/03/01 20 users Sneak Peek

Dan Abramov from our team just spoke at JSConf Iceland 2018 with a preview of some new features we’ve been working on in React. The talk opens with a question: “With vast differences in computing powe... 続きを読む

React v16.2.0: Improved Support for Fragments - React Blog

2017/11/28 27 users

React 16.2 is now available! The biggest addition is improved support for returning multiple children from a component’s render method. We call this feature fragments : Fragments look like empty JSX t... 続きを読む

Reactiflux is moving to Discord - React Blog

2017/10/17 53 users

TL;DR: Slack decided that Reactiflux had too many members and disabled new invites. Reactiflux is moving to Discord. Join us: http://join.reactiflux.com What happened with Slack? A few weeks ago, Reac... 続きを読む

React v16.0 - React Blog

2017/09/26 63 users

We're excited to announce the release of React v16.0! Among the changes are some long-standing feature requests, including fragments , error boundaries , portals , support for custom DOM attributes , ... 続きを読む

Error Handling in React 16 - React Blog

2017/07/26 44 users

As React 16 release is getting closer, we would like to announce a few changes to how React handles JavaScript errors inside components. These changes are included in React 16 beta versions, and will ... 続きを読む

React v15.6.0 - React Blog

2017/06/14 21 users

Today we are releasing React 15.6.0. As we prepare for React 16.0, we have been fixing and cleaning up many things. This release continues to pave the way. Improving Inputs In React 15.6.0 the onChang... 続きを読む