Version 2.4.0

This release targets the OpenTelemetry SDK 1.38.0.

Note that many artifacts have the -alpha suffix attached to their version number, reflecting that they are still alpha quality and will continue to have breaking changes. Please see the VERSIONING.md for more details.

🌟 New javaagent instrumentation

• InfluxDB (#10850)
• Armeria gRPC (#11351)
• Apache ShenYu (#11260)

📈 Enhancements

• Instrument ConnectionSource in Akka/Pekko HTTP Servers (#11103)
• Use constant span name when using Spring AMQP AnonymousQueues (#11141)
• Add support for RestClient in Spring starter (#11038)
• Add support for WebFlux server in Spring starter (#11185)
• Add async operation end strategy for Kotlin coroutines flow (#11168)
• Add automatic JDBC instrumentation to the Spring starter (#11258)
• Add StructuredTaskScope instrumentation (#11202)
• Allow reading OTel context from reactor ContextView (#11235)
• Add spring starter r2dbc support (#11221)
• Enable instrumentation of Spring EJB clients (#11104)
• Support otel.instrumentation.kafka.experimental-span-attributes in Spring starter (#11263)
• Remove incubating semconv dependency from library instrumentation (#11324)
• Add extension functions for Ktor plugins (#10963)
• Add dedicated flag for R2DBC statement sanitizer (#11384)
• Allow library instrumentations to override span name (#11355)
• Don't sanitize PostgreSQL parameter markers (#11388)
• Make statement sanitizer configurable for Spring Boot (#11350)

🛠️ Bug fixes

• Fix GraphQL instrumentation to work with latest version (#11142)
• Fix jmx-metrics on WildFly (#11151)
• End gRPC server span in onComplete instead of close (#11170)
• Fix a bug in undertow instrumentation related to HTTP/2 (#11361)
• Armeria http client reports wrong protocol version (#11334)
• Use daemon thread for scheduling in jmx-metrics BeanFinder (#11337)

🙇 Thank you

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

@123liuziming
@aaron-ai
@AlchemyDing
@ArtyomGabeev
@aschugunov
@breedx-splk
@cxjava
@dengliming
@ehsannas
@flamiau04
@hannahchan
@jaydeluca
@jeanbisutti
@jmadureira
@laurit
@LikeTheSalad
@lizongwu
@marychatte
@ofelbaum
@PeterF778
@philsttr
@steverao
@swar8080
@SylvainJuge
@trask
@v1v
@zackman0010
@zeitlinger