2024-05-23 Amplify JS release - aws-amplify@6.3.4

What's Changed

• release(required): adapter-nextjs validate if access and id tokens are valid cognito tokens by @ashwinkumar6 in #13415

Full Changelog: https://github.com/aws-amplify/amplify-js/compare/aws-amplify@6.3.3...aws-amplify@6.3.4