.NET 5 on AWS Lambda was container-only and deprecated May 10, 2022. .NET 8's Lambda deprecation is November 10, 2026.
All eight.NET runtimes, three AWS dates each
| Runtime | On Lambda since | AWS deprecation | Function creation blocked | Function updates blocked | Microsoft's end of support |
|---|---|---|---|---|---|
| .NET 10 (dotnet10) | January 8, 2026 | November 14, 2028 | December 14, 2028 | January 15, 2029 | November 14, 2028 |
| .NET 9 (container only) | December 9, 2024 | November 10, 2026 | Not scheduled (container) | Not scheduled (container) | November 10, 2026 |
| .NET 8 (dotnet8) | February 22, 2024 | November 10, 2026 | February 1, 2027 | March 3, 2027 | November 10, 2026 |
| .NET 7 (container only) | November 15, 2022 | May 14, 2024 | N/A (container) | N/A (container) | May 14, 2024 |
| .NET 6 (dotnet6) | February 24, 2022 | December 20, 2024 | February 1, 2027 | March 3, 2027 | November 12, 2024 |
| .NET 5 (container only) | December 2, 2020 | May 10, 2022 | N/A (container) | N/A (container) | May 10, 2022 |
| .NET Core 3.1 (dotnetcore3.1) | March 31, 2020 | April 3, 2023 | April 3, 2023 | May 3, 2023 | December 13, 2022 |
| .NET Core 2.1 (dotnetcore2.1) | July 9, 2018 | January 5, 2022 | January 5, 2022 | April 13, 2022 | August 21, 2021 |
What's covered
- All eight.NET runtimes, three AWS dates each
- What a.NET 5 Lambda function is today
- .NET 6 and.NET 8: same block date, different clocks
- What to do
Full guide with every version, risk scores, and live updates: https://endoflife.ai/article-aws-lambda-dotnet-5-6-8-deprecation-dates
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