Sourced from io.opentelemetry.instrumentation:opentelemetry-ktor-3.0's releases.

Version 2.17.1

This is a patch release on the previous 2.17.0 release, fixing the issue(s) below.

• Backport: Fix invalid jmx state metrics empty unit (#14195)

Version 2.17.0

This release targets the OpenTelemetry SDK 1.51.0.

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

• Changes have been made to Tomcat metric definitions provided by JMX Metric Insight component
  • metric http.server.tomcat.errorCount --> tomcat.error.count
    • attribute: name --> tomcat.request.processor.name
    • type: Gauge --> Counter
  • metric http.server.tomcat.requestCount --> tomcat.request.count
    • attribute: name --> tomcat.request.processor.name
    • type: Gauge --> Counter
  • metric http.server.tomcat.maxTime --> tomcat.request.duration.max
    • attribute: name --> tomcat.request.processor.name
    • unit: ms --> s
  • metric http.server.tomcat.processingTime --> tomcat.request.duration.sum
    • attribute: name --> tomcat.request.processor.name
    • unit: ms --> s
  • metric http.server.tomcat.traffic --> tomcat.network.io
    • attribute: name --> tomcat.request.processor.name, direction --> network.io.direction
  • metric http.server.tomcat.sessions.activeSessions --> tomcat.session.active.count
    • attribute: context --> tomcat.context
  • metric http.server.tomcat.threads split into two metrics: tomcat.thread.count and tomcat.thread.busy.count
    • attribute: name --> tomcat.thread.pool.name, state removed

📈 Enhancements

• JMX metrics: require explicit unit in yaml (#13796)
• Remove deprecated methods from runtime-telemetry (#13885)
• ClickHouse JDBC URL support (#13884)
• Support Vert.x HTTP client version 5.0 (#13903)
• Add metric jvm.file_descriptor.count to jvm runtime experimental metrics (#13904)
• Add support for Vert.x SQL client version 5.0 (#13914)
• JMX Metric Insights - improved Tomcat metrics alignment to semconv and added new Tomcat metrics tomcat.session.active.limit and tomcat.thread.limit (#13650)
• Apply method instrumentation only to methods (#13949)
• Apply external annotation instrumentation only to methods (#13948)
• Log start of spring boot starter (#13882)
• Update the OpenTelemetry SDK version to 1.51.0 (#13992)
• Capture finatra code function name (#13939)
• AWS SDK v2 Secrets Manager auto-instrumentation support (#14001)
• AWS SDK v1 Step Functions auto-instrumentation support (#14003)
• Add auto-instrumentation support for AWS Step Functions SDK v2 (#14028)

... (truncated)

Sourced from io.opentelemetry.instrumentation:opentelemetry-ktor-3.0's changelog.

Changelog

Unreleased

Version 2.18.0 (2025-07-17)

🌟 New javaagent instrumentation

• Add initial instrumentation for OpenAI client (#14221)

🌟 New library instrumentation

• Add initial instrumentation for OpenAI client (#14221)

📈 Enhancements

• Implement stable semantic conventions for code.* attributes with opt-in support (#13860)
• Add span kind configuration support for method instrumentation and declarative tooling (#14014)
• Add support for vendor-specific declarative configuration properties (#14016)
• Add auto-instrumentation support for AWS Secrets Manager SDK v1 (#14027)
• Add aws.sns.topic.arn semantic convention support for AWS SNS SDK v1 and v2 (#14035)
• Remove thread.name attribute from experimental JVM metrics (#14061)
• Enhance and align Jetty JMX metrics with OpenTelemetry semantic conventions (#14067)
• Add support for latest spring-cloud-aws versions (#14207)
• Add JDBC parameter capture support for PreparedStatement.setObject() method (#14219)
• Add aws.lambda.resource.mapping.id and experimental Lambda attributes for AWS Lambda SDK (#14229)
• Clear context class loader from OpenTelemetry internal threads to prevent leaks (#14241)

🛠️ Bug fixes

• Fix JDBC URL parser StringIndexOutOfBoundsException with malformed connection strings (#14151)
• Fix empty units in JMX state metrics definitions (#14194)

Version 2.17.0 (2025-06-20)

... (truncated)

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