Next.js 12 includes a brand new Rust compiler that takes advantage of native compilation. We're making these features available to try today in Next.js 12 under an experimental flag. Next.js now enables you to do data fetching at the component level, all expressed as JSX. By using React Server components, we can simplify things. Next.js 12 includes experimental support for importing ES Modules through URLs, no install or separate build step is required. If a URL import is detected, Next.js will generate a next. Js to your application now automatically replaces the built-in version without requiring a reboot of the Next.js CLI.The ESLint integration now supports single-file linting in next lint with the -file flag. Next.js 12 now supports setting a custom tsconfig.