The [Amazon SDK for JavaScript V3 API Reference Guide](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/) describes in detail all the API operations for the Amazon SDK for JavaScript version 3 (V3). 

# Document history for Amazon SDK for JavaScript version 3
<a name="doc-history"></a>

## Document History
<a name="doc-history-recent"></a>

The following table describes the important changes in the V3 release of the *Amazon SDK for JavaScript* from October 20, 2020, onward. For notification about updates to this documentation, you can subscribe to an [RSS feed](https://docs.aws.amazon.com/sdk-for-javascript/v3/developer-guide/amazon-sdk-javascript-guide-doc-history.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [TLS 1.3 is now supported across all Amazon service API endpoints in all Regions](enforcing-tls.md) | Updated supported TLS version and method for logging TLS version. | April 10, 2025 | 
| [Generating clients with the @smithy/types](creating-and-calling-service-objects.md#smithy-types) | Content updated with generating clients using @smithy/types package. | February 15, 2025 | 
| [Data integrity protection with checksums](s3-checksums.md) | Content updated with details about automatic checksum calculation. | January 15, 2025 | 
| [Amazon S3 checksums](s3-checksums.md) | Section added on how to use flexible checksums with Amazon S3. | January 1, 2025 | 
| [Support for account-based endpoints in DynamoDB](ddb-account-based-endpoints-v3.md) | The Amazon SDK for JavaScript added support for account-based endpoints in DynamoDB. | September 26, 2024 | 
| [New Topic on SDK Logging](logging-sdk-calls.md) | A topic describing how to log API calls made with the SDK for JavaScript has been added, including information about using middleware to log requests. | September 26, 2024 | 
| [Announcement](#doc-history) | Updated top banner with an end-of-support reminder for Internet Explorer 11. | September 23, 2022 | 
| [Minor updates](#doc-history) | Minor updates to clarity and resolving broken links. Added awareness links to Amazon SDKs and Tools Reference Guide. | August 22, 2022 | 
| [Enforce a minimum TLS version](enforcing-tls.md) | Added information about TLS 1.3. | March 31, 2022 | 
| [Set credentials in Node.js topic updated](configuring-the-jssdk.md) | Update topic about setting credentials in Node.js for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Migrate to v3](migrating.md#migrating-to-v3) | Added topic to describe how to migrate to Amazon SDK for JavaScript v3. | October 20, 2020 | 
| [Getting Started](getting-started.md) | Updated topics for getting started in the browser and getting started with Node.js for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Browser builder](#doc-history) | Information about Amazon Browser Builder was removed because it is not required for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Amazon Transcribe service examples updated](Transcribe-examples.md) | Updated Amazon Transcribe service examples for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Amazon Simple Notification Service service examples updated](sns-examples.md) | Updated Amazon Simple Notification Service service examples for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Amazon Simple Email Service service examples updated](ses-examples.md) | Updated Amazon Simple Email Service service examples for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Amazon Redshift service examples updated](redshift-examples.md) | Updated Amazon Redshift service examples for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Amazon Lex service examples updated](lex-examples.md) | Updated Amazon Lex service examples for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [AWS Elemental MediaConvert service examples updated](emc-examples.md) | Updated AWS Elemental MediaConvert service examples for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Amazon Lambda service examples updated](lambda-examples.md) | Updated Amazon Lambda service examples for Amazon SDK for JavaScript V3. | October 20, 2020 | 
| [Amazon SDK for JavaScript V3 Developer Guide preview](#doc-history) | Released pre-release version of the Amazon SDK for JavaScript V3 Developer Guide. | October 19, 2020 |