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The Next.js team have announced version 7 of their open-source React framework. This release of Next.js focuses on improving the overall developer experience with 57% faster boot times and 40% faster builds in development, improved error reporting and WebAssembly support.
Next.js is a React framework whose primary goal is to provide great performance in production along with a great developer experience. In order to provide this great developer experience, Next.js supports server-side rendering, code splitting and client-side routing out the box.
Next.js 7 also bundles the latest version of Babel which brings support for TypeScript, fragment syntax, and experimental auto-polyfilling.
Initial payload sizes in Next.js 7 have been decreased by as much as 7.4%, taking a document size in previous versions of Next.js from 1.62kB to 1.50kB. These improvements have come from the Next.js team removing certain HTML elements and minifying some inline scripts.
Another major improvement with Next.js 7 is its support for the React Context API. The Context API is a way to share data across React components without having to explicitly share it every time. In Next.js this reduces memory usage by 16% due to Next.js’s ability to share code between pages.
Next.js 7 supports dynamic importing of modules; previously this was not possible due to Next.js rolling its own import functionality. They’ve now removed that and support default import functionality that comes out the box with Webpack, allowing dynamic imports, naming and bundling of files.
You can get the latest version of Next.js from the Next.js website.