We are happy to introduce  Next.js 4 , which features support for React 16 and introduces a major upgrade for the default styling engine styled-jsx with support for  dynamic styles . Major performance improvements are introduced: SSR with Next.js 4 is  2.6x faster  and style initialization is  20% faster . According to CSS-in-JS benchmarks, Next.js styles  are now the fastest of any library . Next.js 4 is the result of the work of  29 contributors , the highest of any release yet! Check out the changes below. Link to heading React 16 React 16 introduces numerous improvements, which you can benefit from right away by just bumping your dependencies: npm i next@latest react@latest react-dom@latest With Next.js 3.0 we get about  105 requests per second  on one of our model pages: A benchmark of 5000 requests against Next.js 3.0 SSR and  272 requests per second  with Next.js 4 and React 16 (a  2.6x improvement !) A benchmark of 5000 requests against…