AWS SDK for .NET V3 end-of-support announcement
Developer Tools Blog
This article announces the end-of-support for AWS SDK for .NET V3 as of June 1, 2026, following its entry into maintenance mode on March 1, 2026.
- AWS SDK for .NET V3 reached end-of-support on June 1, 2026
- No further updates, security fixes, or bug fixes will be released for V3
- V3 will not receive support for new AWS services or features
- Existing V3 applications will continue to function but lack security patches
- AWS strongly recommends migrating to AWS SDK for .NET V4
- V4 includes performance improvements, bug fixes, and ongoing service support
- Migration guide and GitHub resources available to assist with upgrade process
In summary, AWS SDK for .NET V3 users should migrate to V4 immediately to maintain security updates and continued AWS service support.
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