AWS SDK for .NET V3 Maintenance Mode Announcement
Developer Tools Blog
This article announces that AWS SDK for .NET V3 is entering maintenance mode on March 1, 2026, with end-of-support on June 1, 2026.
- V3 will only receive security updates and critical bug fixes during maintenance mode
- No new service APIs, region support, or regular updates after March 1, 2026
- End-of-support begins June 1, 2026; no further updates provided
- AWS recommends immediate migration planning to V4
- Migration guide and GitHub resources available for transition support
AWS urges developers to begin migrating to SDK V4 immediately to ensure continuity before V3 support ends.
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