Lambda managed runtime for .NET 10

[jtuliani]

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Description
Support .NET 10 as a managed runtime and container base image.

Additional context
Add additional context here

[jtuliani]

A preview base container image for .NET 10 is available at https://gallery.ecr.aws/lambda/dotnet

[Vlaaaaaaad]

Note: .NET 10 Lambda workloads might experience slightly lower performance until some additional runtime enhancements are released. See dotnet/runtime#120288 (comment) and all the linked issues and PRs

[SamuelCox]

Is there any timeline on when it will come out of preview?

[jtuliani]

.NET 10 support in Lambda is now Generally Available.

https://aws.amazon.com/about-aws/whats-new/2026/01/aws-lambda-dot-net-10/
https://aws.amazon.com/blogs/compute/net-10-runtime-now-available-in-aws-lambda/