Enhancements

• Update to OpenTelemetry Java Instrumentation 2.31.1 (#4821)
• Add continuous profiling (enableContinuousProfiling, continuousProfilingMaxAgeSeconds) which keeps a single JFR recording running in a circular buffer so profile requests dump the most recent window of data immediately (#4807)
• Upgrade AutoConfigure package from 1.6.0 to 1.7.0 (#4852)

Breaking changes

• Rename the MachineStats JFR diagnostic event to MachineInfo. Custom .jfc files that enable com.microsoft.applicationinsights.diagnostics.jfr.MachineStats must be updated to the new event name (#4807)

Enhancements

• Disable errors from profiles (#4736)
• Add manual profile triggering via file touch and JMX MBean (#4730)
• Add global cooldown (globalCooldownSeconds) to prevent rapid successive profiles from different trigger sources
• Add manualTriggeredSettings configuration for controlling the JFR profile used during manual recordings

Bug fixes

• Fix Spring Boot 4 Micrometer auto-configuration and add actuator metrics smoke coverage (#4672)

• Update to OpenTelemetry Java Instrumentation 2.26.1 (#4648, #4632, #4631)
• Add cgroupv2 support and fix profile upload response body reading (#4592)
• Fix connection string env var precedence over ${file:...} config lookup (#4608)

Enhancements

• Update to OpenTelemetry Java Instrumentation 2.21.0
  (#4511)
• Enable Spring Cloud Gateway instrumentation
  (#4559)
• Add azure_monitor to metrics exporter for AKS
  (#4575)

Enhancements

• Run tests against Java 25 (#4495, #4494)

Enhancements

• Update OpenTelemetry versions (#4429)
• Read environment variables for AKS metrics otlp support (#4458)

Bug fixes

• Update deprecated EnvironmentResourceProvider reference (#4377)
• Fix null exception message error (Azure/azure-sdk-for-java#46001)
• Update to OpenTelemetry Java Instrumentation 2.18.1 (#4378)

Enhancements

• Fix reading of profiling configuration enum value (#4202)
• Update OpenTelemetry dependencies (#4177)

Enhancements

• Update OpenTelemetry Instrumentation to 2.14.0 (#4138)
• Allow disabling spring-webmvc instrumentation (#4109)
• Log a warning for invalid JMX metrics (#4161)
• Support for using the AAD Audience from the connection string (#4121)

Bug fixes

• Fix deserialization of enums in Alerting (#4125)
• Fix request exception not captured when INSTRUMENTATION_LOGGING_LEVEL=OFF (#4130)

• Improve sampling override with dropped parent spans (#4014)
• Update to OpenTelemetry Java Instrumentation 2.13.1 (#4087)
• Fix QuickPulse "Unsupported text Content-Type" warning message (#4079)
• Fix CVE-2024-57699 (#4078)
• Fix CVE-2024-12798 and CVE-2025-24970 (#4077)