Next.js 16 Form Component Brings Built-In Progressive Enhancement by Default

Next.js 16 introduced a first-party Form component designed to replace the custom wrapper components many development teams have been building themselves. The component adopts a server-first approach, meaning forms function through standard browser submission even when JavaScript fails to load or runs slowly. It natively handles navigation state, prevents double submissions, and manages scroll restoration without requiring client-side framework code. When JavaScript is available, the experience is progressively enhanced with faster feedback and optimistic updates. Teams migrating to the component are advised to move validation logic to server actions and remove client-side submission handlers that bypass native form behaviour.