What dotnet runtime version is being used by my Azure Function?

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I have an Azure Durable Function running on Azure. It has:

  • FUNCTIONS_EXTENSION_VERSION: "~3",
  • FUNCTIONS_WORKER_RUNTIME: "dotnet"

We are experience an error that I have found previously reported on the dotnet/runtime repo. The issue has since been fixed (1 2) and the fix was released in version 3.1.4. However we are still seeing the error which makes me think the runtime in use is an older build. I can't find any information about which minor/patch version of the runtime is in use on the VM that actually executes our function.

Is there a way to figure this out?

azure-functions-runtime azure-durable-functions azure-functions azure
1 Answers

Function apps run in and are maintained by, the Azure App Service platform. As such, your function apps have access to most of the features of Azure's core web hosting platform including Advanced tools (Kudu) and Console:

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Probably the easiest way to figure out the version is to open the console and type dotnet --version

Read more about how to access the console

user_11634230
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