Apps can now target .NET Framework when running in the isolated process mode in Azure Functions v4. This allows apps with .NET Framework dependencies to explore the latest versions of Azure Functions.
Apps built using this capability will follow the same patterns as any isolated .NET worker project in Functions, but they will specify .NET Framework 4.8 as the target framework. This is not intended to support production workloads, at this time, and some experiences may be limited. Please provide any feedback through the Azure Functions .NET Worker GitHub repository.
Learn more.