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AWS Lambda .NET 8 runtime (dotnet8): sunset date 2026-11-10

The sunset date for the AWS Lambda .NET 8 runtime is 2026-11-10, which is 31 days after 2026-10-10, the date this data was compiled.

Provider
Amazon Web Services
Category
cloud-function-runtime
Sunset date
2026-11-10 (31 days remaining as of 2026-10-10)
What stops working
Lambda stops applying security patches and support to dotnet8; creating and updating functions are blocked later (2027-07-29 and 2027-08-31).
Replacement
dotnet10

Source

Lambda runtimes, docs.aws.amazon.com (printed as text, not linked). Read on 2026-10-10. Confirm the date on that page before acting.

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