Upgrade AWS Amplify JavaScript Library to V6

AWS Amplify JavaScript Library v6 is now generally available, offering significant improvements including reduced bundle sizes, enhanced TypeScript support, and better Next.js integration.

To upgrade to AWS Amplify JavaScript Library v6, you'll need to install the latest Amplify libraries. The new version introduces a function-based developer experience where you import specific functionalities from subpaths and use named parameters.

The v6 release includes:

• Substantial reductions in bundle size
• Improved TypeScript coverage and typing support
• Secure runtime token support
• Full support for Next.js App Router and Server Actions

When implementing v6, you can take advantage of the new tree-shaking capability that allows Amplify to import only the required APIs, resulting in smaller bundles and faster app load times. The library now supports Next.js capabilities through a new Next.js adapter, enabling Server-Side Rendering, App Router with React Server Components, and API routes with middleware.

For a complete upgrade guide and examples, you can refer to the AWS Amplify documentation which provides extensive guides and examples to help you get started with the new version.
Sources
Building fast Next.js apps using TypeScript and AWS Amplify JavaScript v6 | Front-End Web & Mobile
Announcing AWS Amplify JavaScript v6 general availability
AWS Amplify JavaScript’s NEW developer preview with reduced bundle size, improved TypeScript and Next.js support | Front-End Web & Mobile