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RELEASENOTES.md

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Release Notes

This file contains highlights and announcements covering all components. For more details see CHANGELOG.md files maintained in the root source directory of each individual package.

1.9.0

  • Exemplars are now part of the stable API! For details see: customizing exemplars collection.

  • WithLogging is now part of the stable API! Logging, Metrics, and Tracing can now all be configured using the With style and the builders finally have parity in their APIs.

1.8.0

  • TracerProvider sampler can now be configured via the OTEL_TRACES_SAMPLER & OTEL_TRACES_SAMPLER_ARG envvars.

  • A new UseOtlpExporter cross-cutting extension has been added to register the OtlpExporter and enable all signals in a single call.

  • exception.type, exception.message, exception.stacktrace will now automatically be included by the OtlpLogExporter when logging exceptions. Previously an experimental environment variable had to be set.

1.7.0

  • Bumped the package versions of System.Diagnostic.DiagnosticSource and other Microsoft.Extensions.* packages to 8.0.0.

  • Added net8.0 targets to all the components.

  • OTLP Exporter

    • Updated to use ILogger CategoryName as the instrumentation scope for logs.
    • Added named options support for OTLP Log Exporter.
    • Added support for instrumentation scope attributes in metrics.
    • Added support under an experimental flag to emit log exception attributes.
    • Added support under an experimental flag to emit log eventId and eventName. attributes.

  • Added support for the IMetricsBuilder API.

  • Added an experimental opt-in metrics feature to reclaim unused MetricPoints which enables a higher number of unique dimension combinations to be emitted. See reclaim unused metric points for more details.