BAU: Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.19.0-alpha to 2.21.0-alpha

[dependabot]

Bumps io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.19.0-alpha to 2.21.0-alpha.

Release notes

Sourced from io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha's releases.

Version 2.20.1

This is a patch release on the previous 2.20.0 release, fixing the issue(s) below.

🛠️ Bug fixes

• Backport: Update the OpenTelemetry SDK version to 1.54.1 (#14720)

Version 2.20.0

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:

... (truncated)

Changelog

Sourced from io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha's changelog.

Changelog

Unreleased

Version 2.21.0 (2025-10-17)

⚠️ Breaking Changes

• Hadoop JMX metrics have been renamed to align with semantic conventions. If you are using Hadoop JMX metrics, you will need to update your dashboards and alerts. (#14411)
• Lettuce 5.1 instrumentation now aligns with other instrumentations and no longer sets the span status description. (#14886)

🚫 Deprecations

• The following Logback appender configuration properties have been renamed for clarity. The old property names have been deprecated and will be removed in a future release:
  • Java agent: otel.instrumentation.logback-appender.experimental.capture-logstash-attributes → otel.instrumentation.logback-appender.experimental.capture-logstash-marker-attributes
  • Spring Boot starterotel.instrumentation.logback-appender.experimental.capture-logstash-markers → otel.instrumentation.logback-appender.experimental.capture-logstash-marker-attributes
  • Logback appender configuration property: captureLogstashAttributes → captureLogstashMarkerAttributes
  • Logback appender API: setCaptureLogstashAttributes() → setCaptureLogstashMarkerAttributes() (#14959)

🌟 New javaagent instrumentation

• Add Helidon instrumentation (#13776)
• Add NATS instrumentation (#13999)
• OpenSearch Transport v3.0 Implementation (#14823)
• Add Kafka Connect API instrumentation (#14478)

🌟 New library instrumentation

• Add Helidon Instrumentation (#13776)
• Add NATS instrumentation (#13999)
• Failsafe 3.0 instrumentation introduced (#14057)

📈 Enhancements

• Add experimental sqlcommenter support for JDBC and R2DBC

... (truncated)

Commits

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