Next.js is a web development framework that many developers use to build fast and responsive web applications. Every time a new release of Next.js is announced, people get excited to see what new features have been added.
The React ecosystem has been exploring various ideas around forms, managing form states, and caching and revalidating data. However, there has been no way to compose server mutations and data primitives. Recently, Vercel, the company behind Next.js, released a new version called Next.js 13.4, which includes a new feature called Server Actions. This allows you to mutate data on the server, without the need for an in-between API layer.
Server Actions are designed to help developers update data on the server more easily, reduce the amount of JavaScript needed on the client side, and provide more responsive and interactive forms. They are designed to deeply integrate with the rest of the data lifecycle, including the Next.js Cache, Incremental Static Regeneration (ISR), and the client router. Additionally, they are composable, meaning that anyone in the React community can build and publish Server Actions.
Revalidating data through new APIs revalidatePath and revalidateTag ensures that the correct data is displayed on the client, even if the upstream provider is slow. This means that mutating, re-rendering the page, or redirecting can happen in one network round trip. With features like Optimistic Updates and Progressive Improvement, users can see the effects of their actions without having to wait for the server to respond, leading to a more interactive and enjoyable experience. This is an exciting development for the React community, as it opens up new possibilities for server-side data mutations and form handling.
In conclusion, Server Actions are a game-changing addition to the Next.js ecosystem. They offer many benefits for both developers and users, including better performance, improved user experience, and a more streamlined development process. With Server Actions, web developers can build faster, more responsive, and more engaging web applications than ever before.

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Server Actions are the best new feature in Next.js

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