# NextJS upgrade y Code review for refactor * Current version of NextJS * Renderer -> 9.5.6-canary.9 * B2C-UI -> 8.0.1 * Proposal version * 11.1.2 -> stable version * keep webpack 4 * React 17 (as required in the nextjs upgrade guide https://nextjs.org/docs/upgrading) * Webpack 5 * how load de styles libraries ? * npmx create-next-app latest version * create custom server * use fastify framework * add dotenv package for env vars * create routes for diferent pages * static routes ? could be dynamic ? * @next/bundle-analyzer * Visualize size of webpack output files with an interactive, zoomable treemap. # Renderer