Improving Async Workflow Observability in Dapr

This article details how the Dapr community improved observability for asynchronous workflows by enhancing its OpenTelemetry integration. The core challenge was propagating trace context across the long-lived gRPC stream used for communication between the Dapr workflow engine and application code, which previously fragmented traces. By serializing trace context within activity messages and updating Dapr SDKs, they achieved a single, coherent trace for entire workflows, and are now working to standardize semantic conventions using OpenTelemetry Weaver for consistent telemetry across Dapr components.