What's New in Observability from .NET 8 to .NET 11: IMeterFactory, Gauge, New Built-in Metrics and Built-in Tracing in ASP.NET Core
In .NET 11 ASP.NET Core writes the OpenTelemetry attributes of the HTTP server span itself and MemoryCache publishes dotnet.cache.* metrics, with no instrumentation package. We map the releases from .NET 8's IMeterFactory and .NET 9's Gauge to .NET 10's Identity metrics and schema URLs, run the .NET 11 items on the GA SDK and give tips for reading older code.
15 Nov 2026
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9 min
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14
