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What's new in the AWS SDK for .NET

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What's new in the AWS SDK for .NET - AWS SDK for .NET (V4)

Version 4 (V4) of the AWS SDK for .NET has been released!

For information about breaking changes and migrating your applications, see the migration topic.

Version 4 (V4) of the AWS SDK for .NET has been released!

For information about breaking changes and migrating your applications, see the migration topic.

For high-level information about new developments related to the AWS SDK for .NET, see the product page at https://aws.amazon.com/sdk-for-net/ and the SDK change logs.

The following is what's new in the AWS SDK for .NET.

April 28, 2025: Version 4 of the AWS SDK for .NET

Version 4 of the AWS SDK for .NET is generally available! For information about migrating your applications to V4, see Migrating to version 4. Also see the blog post General Availability of AWS SDK for .NET V4.0 that announces general availability.

February 15, 2025: Integrations with .NET Aspire

Integrations with .NET Aspire to improve the inner dev loop have been released. For information, see Integrating AWS with .NET Aspire in the AWS SDK for .NET.

February 10, 2025: GA release for observability

Observability is the extent to which a system's current state can be inferred from the data it emits. Observability has been added to the AWS SDK for .NET, including an implementation of a telemetry provider. For more information, see Observability in this guide and the blog post Announcing the general availability of AWS .NET OpenTelemetry libraries.

January 15, 2025: New default behavior for integrity protection

Beginning with version 3.7.412.0 of the AWS SDK for .NET, the SDK provides default integrity protections by automatically calculating a CRC32 checksum for uploads. For more information, see the announcement on GitHub at https://github.com/aws/aws-sdk-net/issues/3610. The SDK also provides global settings for data integrity protections that you can set externally, which you can read about in Data Integrity Protections in the AWS SDKs and Tools Reference Guide.

November 15, 2024: Preview 4 release for version 4

Note

This is prerelease documentation for a feature in preview release. It is subject to change.

Version 4 of the AWS SDK for .NET is an evolutionary change that will modernize the SDK as well as resolve technical debt and address customer feedback that requires breaking changes. Preview 4 of version 4 has been released. For more information about this preview and to try it out, see the blog post Preview 4 of AWS SDK for .NET V4 and the V4 Development Tracker issue in GitHub.

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