OpenTelemetry - CNCF/opentelemetry-specification: Release v1.25.0

Name: opentelemetry-specification

Owner: OpenTelemetry - CNCF

Release: Release v1.25.0

Released: 2023-09-13

License: Apache-2.0

Release Assets:

v1.25.0 (2023-09-13)

Context

  • No changes.

Traces

  • No changes.

Metrics

  • Increase metric name maximum length from 63 to 255 characters. (#3648)
  • MetricReader.Collect ignores Resource from MetricProducer.Produce. (#3636)
  • Attribute sets not observed during async callbacks are not exported. (#3242)
  • Promote MetricProducer specification to feature-freeze. (#3655)
  • Add synchronous gauge instrument, clarify temporality selection influence on metric point persistence. (#3540)
  • Clarify that advice is non-identifying. (#3661)
  • Define the default size of the SimpleFixedSizeExemplarReservoir to be 1. (#3670)
  • Rename "advice" to "advisory parameters". (#3662)
  • Clarify the minimal implementation of a View's attribute_keys is an allow-list. (#3680)
  • Add "/" to valid characters for instrument names (#3684)
  • Stabilize the MetricProducer. (#3685)

Logs

  • Update GCP data model to use TraceFlags instead of gcp.trace_sampled. (#3629)

Resource

  • No changes.

OpenTelemetry Protocol

  • Fix and clarify definition of "transient error" in the OTLP exporter specification. (#3653)

Compatibility

  • OpenTracing Shim: Allow invalid but sampled SpanContext to be returned. (#3471)
  • Prometheus: Allow changing metric names by default when translating from Prometheus to OpenTelemetry. (#3679)

SDK Configuration

  • No changes.

Common

  • No changes.

Supplementary Guidelines

  • No changes.

Full Changelog: https://github.com/open-telemetry/opentelemetry-specification/compare/v1.24.0...v1.25.0

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