MicrosoftIs it really rolled out? I updated a small Functions project to 11, and can run it locally no problem, but it absolutely won't start in production Azure. You should really consider some kind of monitoring and logging that does not involve App Insights. It's not great to have to pay to diagnose problems with the thing you're already paying for.
I'm getting the exact same issue. Some diagnostics of the environment seems to indicate .NET 11 GA is not installed on the worker, a previous RC is the latest version:
2026-11-14T19:49:49.595 [Information] The following frameworks for other architectures were found:
2026-11-14T19:49:49.595 [Information] x64
2026-11-14T19:49:49.595 [Information] 2.2.14 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 3.0.3 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 3.1.32 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 5.0.17 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 6.0.36 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 7.0.20 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 8.0.33 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 9.0.22 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 10.0.14 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
2026-11-14T19:49:49.595 [Information] 11.0.0-rc.3.26522.148 at [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
