v1.29.0 (2024-01-10)

Context & Baggage

• Align definition of Baggage with W3C Specification.
  (#3800)

Traces

• Update OpenTelemetry to Zipkin Transformation to handle attributes from older semantic conventions in a backwards compatible way.
  (#3794)

Metrics

• Define experimental MetricFilter as a mechanism to filter collected metrics by the MetricReader
  (#3566)
• Add optional configuration for Prometheus exporters to optionally remove unit and type suffixes.
  (#3777)
• Add optional configuration for Prometheus exporters to optionally drop otel_scope_info metric.
  (#3796)

Logs

Resource

OpenTelemetry Protocol

Compatibility

SDK Configuration

• Define file configuration file format and env var substitution
  (#3744)

Common

• Clarify that attribute keys are case-sensitive.
  (#3784)

Supplementary Guidelines