What’s new in Next.js 14?

On 16th October vercel released their new version of next.js 14 which they clime they have fixed the previous issues with next.js 13.

The major improvements are:

1. 53% faster local server startup.
2. 2.94% faster code updates with Fast Refresh.

3. Integrated with caching & revalidating.

4. Simple function calls, or works natively with forms.

Also they have provided course to try next js 14 features.

Next.js 14

Some Important Notes:
From now you have to use Node version 18.17 or above this is the minimum requirements

80% smaller function size of create-next-app which means the create time will be a lot faster then previous.
Caching system is improved.

Server Actions are deeply integrated into the entire App Router model. You can:

• Revalidate cached data with revalidatePath() or revalidateTag()
• Redirect to different routes through redirect()
• Set and read cookies through cookies()
• Handle optimistic UI updates with useOptimistic()
• Catch and display errors from the server with useFormState()
• Display loading states on the client with useFormStatus()