API

Incubator

• Make ExtendedTracer easier to use (#6943)
• Add ExtendedLogRecordBuilder#setEventName and corresponding SDK and OTLP serialization (#7012)
• BREAKING: Drop event API / SDK (#7053)

SDK

• Remove -alpha artifacts from runtime classpath of stable components (#6944)

Traces

• Bugfix: Follow spec on span limits, batch processors (#7030)
• Add experimental SdkTracerProvider.setScopeConfigurator(ScopeConfigurator) for updating TracerConfig at runtime (#7021)

Profiles

• Add AttributeKeyValue abstraction to common otlp exporters (#7026)
• Improve profiles attribute table handling (#7031)

Exporters

• Interpret timeout zero value as no limit (#7023)
• Bugfix - OTLP: Fix concurrent span reusable data marshaler (#7041)
• OTLP: Add ability to customize retry exception predicate (#6991)
• OTLP: Expand default OkHttp sender retry exception predicate (#7047, #7057)

Extensions

• Autoconfigure: Consistent application of exporter customizers when otel.{signal}.exporter=none (#7017)
• Autoconfigure: Promote EnvironmentResourceProvider to public API (#7052)
• Autoconfigure: Ensure OTEL_PROPAGATORS still works when OTEL_SDK_DISABLED=true. (#7062)%

Testing

• Add W3CBaggagePropagator to OpenTelemetryRule, OpenTelemetryExtension. (#7056)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@breedx-splk @edeweerd1A @jack-berg @jackshirazi @jhalliday @jkwatson @Mahoney @mikeblum @onurkybsi @trask @YuriyHolinko @zeitlinger