React v15.5 Released — Paving the way for React 16, 15.5 includes new deprecation warnings, splits out PropTypes into a new prop-types package (so be sure to install if needed), and “JavaScript classes are now the preferred way to create components”.

react-ionize: A React Renderer for Building Electron Apps — A library for building the ‘non-browser’ parts of an Electron app using React components to manage the app’s state.

CodeSandbox: An Online React Playground/Editor — Essentially a mini, online React IDE. A perfect place to experiment and try out ideas.

Online Workshop: React Native, SVG and D3 — Harry Wolff teaches you to render SVG into your React applications, build D3 charts that you can render with React Native ART, and tween between graphs to generate animations.

ReactXP: A Layer To Share View Code Between Platforms — Built by the Skype team at Microsoft, ReactXP is a cross-platform layer for sharing view definitions, styles, and animations for multiple target platforms.

Twitter Lite and High Performance React PWAs at Scale — A look into removing performance bottlenecks, both common and uncommon, in one of the largest React.js PWAs, Twitter Lite.