This release targets the OpenTelemetry SDK 1.54.0.

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.

Migration notes

• The configuration option used to enable traces generated by the dropwizard-views instrumentation has changed from otel.instrumentation.common.experimental.controller-telemetry.enabled to otel.instrumentation.common.experimental.view-telemetry.enabled (#14475)
• Deprecated (and -alpha) SpanNames class was removed (#14582)

🌟 New javaagent instrumentation

• Add ClickHouse client v2 instrumentation (#14501)

📈 Enhancements

• Add code attributes for log4j1 (#13947)
• Add headers capture feature to Kafka 2.6 interceptors (#14290)
• Support custom exception handling from logger instrumentation (#14493)
• Add call depth check to executor instrumentation (#14546)
• Add Spring starter thread details support (#14449)
• Let AWS Lambda SQS handlers report partial batch failures (#14468)
• Instrument instrumentation suppression API (#14565)
• Declarative config: update file version support (#14593)
• Add url.template support to Spring 6 RestTemplate (#14612)
• Declarative config: add missing resource providers (#14222)
• Declarative config: map common-enabled property (#14589)

🛠️ Bug fixes

• Fix non-lowercase messaging headers capture (#14479)
• Fix JUL logger methods parameter mismatch (#14531)
• Fix a test failure with latest Mongo release (#14642)

🧰 Tooling

• Add constructor to AgentClassLoader for custom parent ClassLoader (#14480)
• Declarative config: make bridge usable by Spring starter and contrib (#14497, #14548)
• Reduce log level for main jar detection (#14528)

🙇 Thank you

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

@AlchemyDing @asarkar @breedx-splk @brunobat @devurandom @jaydeluca @jjant @JonasKunz @kelunik @laurit @maryliag @Munken @mznet @oliver-zhang @philsttr @steverao @SylvainJuge @tanmaydpatel @trask @trasktest @xiangtianyu @zeitlinger