I am unable to select DotNET Core 2.2 stack for Web app for Linux. Has the support for the same end? Is any official documentation available on the supported DotNET Core versions? Thank you.

Not necessarily. It's still there. To see the available runtimes for Linux you can run az webapp list-runtimes --linux CLI command. To create a 2.2 web app, you can run az webapp create -n mynetcoreapp -p mylinuxplan -r "DOTNETCORE|2.2" in a bash window. If you're using powershell, preceed webapp with '--%' ( az --% webapp create -n mynetcoreapp -p- mylinuxplan -r "DOTNETCORE|2.2" ). However, you can select 3.1 as the runtime in the portal and still deploy your app as 2.2 runtime and it will still function.

Azure Web App for Linux - DotNET Core 2.2 Support

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Ryan Hill 26,866 Reputation points Microsoft Employee

2020-04-27T16:19:47.463+00:00

Not necessarily. It's still there. To see the available runtimes for Linux you can run az webapp list-runtimes --linux CLI command. To create a 2.2 web app, you can run az webapp create -n mynetcoreapp -p mylinuxplan -r "DOTNETCORE|2.2" in a bash window. If you're using powershell, preceed webapp with '--%' ( az --% webapp create -n mynetcoreapp -p- mylinuxplan -r "DOTNETCORE|2.2" ).

However, you can select 3.1 as the runtime in the portal and still deploy your app as 2.2 runtime and it will still function.
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Ragesh T R 46 Reputation points

2020-04-27T16:32:18.143+00:00

@Ryan Hill Thank you for the info. I will try creating the app using AZ CLI. Currently, I tried creating the app from the portal and while trying to set the stack settings in the app configuration I can not select Dotnet core 2.2. Earlier (till couple of weeks back) I was able to select the same.

Ryan Hill 26,866 Reputation points Microsoft Employee

2020-04-27T16:44:22.757+00:00

@Ragesh T R , right. Reason being is that .NET Core 3.1 is officially GA across Azure so why not use the latest and greatest ;). Nonetheless, the CLI gives you a way to force .NET Core 2.2. However, it really shouldn't be necessary if your using .NET Standard 2.0 for any references. If that holds true, your .NET 3.1 app service will run your .NET Core 2.2 app without issue. To verify any APIs you question, you can use https://apisof.net/ to check.

Ragesh T R 46 Reputation points

2020-04-27T17:01:01.207+00:00

Thank you @Ryan Hill . With CLI the app is working as expected.

BTardif-[MSFT] 351 Reputation points

2020-05-06T21:45:04.263+00:00

Fore more guidance on this please see: https://github.com/Azure/app-service-linux-docs/blob/master/Runtime_Support/dot_net_core.md
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Azure Web App for Linux - DotNET Core 2.2 Support

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