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OpenTelemetry: Semantic Conventions for Feature Flags #529
Description
Previous discussion: #412
We used to follow the feature flag in span (defined in OTEL spec 1.27) path, so we build the telemetry story on ActivityEvent of the .NET Activity system.
But, recently, I found in OTEL spec 1.30, "feature flag in span" has been removed. There is only "feature flag in log`. We should revisit the decision we've made.
Activity
thompson-tomo commentedon Jul 28, 2025
Just to clarify
There is 2 supported use cases:
Both of them can be associated with spans, what changed is that there is no longer dedicated spans to be created for the evaluation. If a provider is interacting with a Web Service to do the evaluation, then that can be captured as a http span etc.