#next-intl

i18n in the App Router with next-intl

Next.js 13 dropped the old i18n config, and the App Router replacement is next-intl. It works well. The rough edges are all in the first hour. Next 16 renamed middleware. next-intl's guide still says middleware.ts. Your file must be src/proxy.ts — createMiddleware(routing) is the same; the filename is the only change. Skip it and your page falls back to…