JavaScript API Reference - AWS SDK for JavaScript
SDK Changelog on GitHub

The AWS SDK for JavaScript version 3 (v3) is a rewrite of v2 with some great new features, including modular architecture. For more information, see the AWS SDK for JavaScript v3 Developer Guide.

JavaScript API Reference

The API Reference topics for the latest version of the SDK for JavaScript are found at:

AWS SDK for JavaScript API Reference Guide.

SDK Changelog on GitHub

The changelog for releases from version 2.4.8 and later is found at:

Change log.