Next.js 12.3

We've shipped some quality-of-life improvements to Next.js with 12.3: Improved Fast Refresh: .env, jsconfig.json, and tsconfig.json files now hot reload. TypeScript Auto-Install: Add a .ts file to automatically configure TypeScript and install deps. Image Component: next/future/image is now stable. SWC Minifier: Minification with the Next.js compiler is now stable. New Router + Layouts Update: Imp

[efcl]

Next.js 12.3リリース。 TypeScriptの自動インストールに対応、`.env`などの変更にFast Refreshが対応、`next/future/image`コンポーネントの改善。 実験的なオプションとして`unoptimized`の追加、SWCでコードを圧縮する`swcMinify`の追加など

[yosuke_furukawa]

SWC was 7x faster than the previous version with Terser.