Version 1.39.0

This release targets the OpenTelemetry Java Instrumentation 2.8.0.

AWS X-Ray propagator

• Handle too short X-Amzn-Trace-Id header (#1036)
• Add declarative config support for aws xray propagators (#1442)

AWS X-Ray SDK support

• Fix native mode error cause by static init of random (#862)

Consistent sampling

• Composite Samplers prototype (#1443)

Disk buffering

• Add debug mode for verbose logging (#1455)

GCP Resources

• Fix incorrect cloud.platform value for GCF (#1454)

JMX metrics

• Add option to aggregate across multiple MBeans (#1366)

Samplers

• Add declarative config support for RuleBasedRoutingSampler (#1440)

Span stack traces

• Add config option otel.java.experimental.span-stacktrace.min.duration (#1414)

🙇 Thank you

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

@breedx-splk
@brunobat
@dashpole
@jack-berg
@jackshirazi
@jakob-o
@jefchien
@jmacd
@JonasKunz
@jsuereth
@laurit
@LikeTheSalad
@oertl
@PeterF778
@psx95
@sky333999
@SylvainJuge
@trask
@wangzlei
@yurybubnov