Context

• Deprecate Jaeger propagator and make propagator implementation optional. (#4827)
• Deprecate OT Trace propagator and make propagator implementation optional. (#4851)

Metrics

• Add normative language to the Metrics API/SDK spec concurrency requirements. (#4868)

Logs

• Add optional Exception parameter to Emit LogRecord. (#4824)
• Add normative language to the Logging API/SDK spec concurrency requirements. (#4885)

Resource

• Refine the handling of OTEL_RESOURCE_ATTRIBUTES. (#4856)

Common

• Add string representation guidance for complex attribute value types (byte arrays, empty values, arrays, and maps) for non-OTLP protocols. (#4848)

Compatibility

• Stabilize Prometheus Counter to OTLP Sum transformation. (#4862)
• Stabilize Prometheus Gauge to OTLP Gauge transformation. (#4871)

SDK Configuration

• Swap Tracer/Meter/LoggerConfig disabled for enabled to avoid double negatives (#4823)
• Declarative configuration: rename ComponentProvider to PluginComponentProvider, CreatePlugin to CreateComponent in effort to use consistent vocabulary (#4806)
• Declarative configuration: Update instrumentation config behavior to return empty object when not set (#4817)

New Contributors

• @am1r021 made their first contribution in https://github.com/open-telemetry/opentelemetry-specification/pull/4857

Full Changelog: https://github.com/open-telemetry/opentelemetry-specification/compare/v1.53.0...v1.54.0