1.55.0

Components

Application Security Management (IAST)

• 🐛 Fix NullPointerException in ApplicationModuleImpl (#9879 - @jandro996)
• 🐛 Fix issue with call sites on constructors without DUP bytecode (#9698 - @manuel-alvarez-alvarez)

Application Security Management (WAF)

• 🐛 Fix NullPointerException in ObjectIntrospection (#9878 - @jandro996)
• 🐛 Rename request body sample rate config variable (#9791 - @manuel-alvarez-alvarez)
• 🐛 Ensure blocking exceptions are propagated for SSRF (#9790 - @manuel-alvarez-alvarez)
• ✨ Add support for API Security Custom Data Classification (#9710 - @jandro996)
• ✨ Update telemetry tags in API10 (#9708 - @manuel-alvarez-alvarez)
• ✨ Upgrade libddwaf to 17.1.0 (#9486 - @sezen-datadog)

Build & Tooling

• 🧹 Make akka-http-10.6 module optional to simplify local build. See BUILDING.md for akka token configuration. (#9767 - @AlexeyKuznetsov-DD)

Continuous Integration Visibility

• 🐛 Fix NullPointerException in Jacoco coverage report merge logic (#9803 - @nikita-tkachenko-datadog)
• ✨ Bump default Jacoco version used by Test Optimization to 0.8.14 (#9738 - @nikita-tkachenko-datadog)
• ✨ Add config source reading from Test Optimization remote environment (#9701 - @nikita-tkachenko-datadog)
• ✨ Lower logging level for RepoIndex error (#9697 - @daniel-mohedano)

Crash tracking

• ✨ Send ping message (#9804 - @amarziali)
• 🐛 Improve OS version parsing (#9785 - @amarziali)
• 🐛 Use arrays for tags and send data schema version (#9763 - @amarziali)
• ✨ Extract library name and address from native error reports (#9721 - @amarziali)
• ✨🧹 Forward wellknown runtime and process tags in crash reports (#9719 - @amarziali)
• ✨ Add origin header to crashtracking telemetry (#9685 - @amarziali)

Data Streams Monitoring

• ✨ Add Data Streams Monitoring support for IBM MQ in JMS/Jakarta Messaging (#9768 - @roisinlh)

Database Monitoring

• ✨ Add option to JDBC instrumentation to always append DBM comment (#9798 - @na-ji)

Dynamic Instrumentation

• 🐛 Fix logging when uninstrumenting cannot happen (#9851 - @jpbempel)
• ✨ Extract line information as injectible lines (#9850 - @jpbempel)
• ⚡🧹 Optimize method probe without condition (#9834 - @jpbempel)
• 🐛 Fix trigger probe and tests (#9828 - @jpbempel)
• ⚡🧹 Optimize line probe without condition (#9787 - @jpbempel)
• 🐛 Fix possible IndexOutOfBoundsException in ExceptionReplay (#9771 - @jpbempel)
• ✨ Add support for Guava and FastUtil (#9727 - @jpbempel)
• ✨ Add Capture Expressions (#9694 - @jpbempel)
• 🐛 Truncate large exception message when serialized (#9686 - @jpbempel)
• 🐛 Throttle warning log when resolving probe (#9675 - @jpbempel)

JMX fetch

• ✨ Clean up JMXFetch job on thread interrupt (#9788 - @PerfectSlayer)

ML Observability (LLMObs)

• 🐛 Limit writer logs only when LLMObs is enabled (#9781 - @daniel-mohedano)
• 🐛⚡ Fix CPU overhead in LLMObs eval processor (#9765 - @XG-xin)

Metrics

• ✨ Drop rare sampling support on CSS (#9776 - @amarziali)
• 🐛 Fix client stats payload (#9743 - @amarziali)
• ✨ Avoid calculating stats if dropping is disabled (#9742 - @amarziali)
• ✨ Enable client side stats by default (#9740 - @amarziali)

Profiling

• 🐛 Bump ddprof to 1.34.0 (#9865 - @zhengyu123)
• 🐛 Keep generic signature aligned when adding TaskWrapper interface (#9794 - @mcculls)
• 🐛 Protect exception advices from NoClassDefFound (#9769 - @amarziali)
• ✨ Use 'vm' stackwalker as default for java profiler (#9722 - @jbachorik)

Tracer core

• 🧹 Simplify InstanceStore API (#9861 - @mcculls)
• ✨ 🪞 9757 - Avoid pending queue wedge if tracer flare is generated multiple times (#9840 - @deejgregor - thanks for the contribution!)
• ✨ Add span builder reuse variable (#9839 - @dougqh)
• ✨ Disambiguate normalizeTag from normalizeTagValue (#9816 - @amarziali)
• 🐛 Protect intercepted null traces from NPE (#9797 - @amarziali)
• ✨ Safely set context classloader on final blocks (#9795 - @amarziali)
• ✨⚡ Add quick 'datadog.' prefix check before applying delegation fix (#9793 - @mcculls)
• ✨ Include dd-instrument-java (#9792 - @mcculls)
• 🐛 Avoid UnsatisfiedLinkError when constructing statsd client (#9789 - @amarziali)
• ✨ Use common method to determine telemetry intake url (#9786 - @amarziali)
• ✨ Exclude safeParse errors from telemetry (#9770 - @amarziali)
• ✨ Simplify InstanceStore implementation to use simple, synchronized HashMaps (#9739 - @mcculls)
• ✨ Add support for service discovery using JNA (#9705 - @raphaelgavache)
• 🧹 Replace jctools NonBlockingHashMap with ConcurrentHashMap (#9700 - @amarziali)
• ✨ Upgrade byte-buddy to 1.17.7 (#9692 - @mcculls)
• ✨ Upgrade asm to 9.9 (#9684 - @amarziali)
• ✨⚡ Create shared DD intake HTTP client (#9660 - @nikita-tkachenko-datadog)
• ✨ Introduce NativeLoader (#9625 - @dougqh)
• ✨ Migrate querying of environment variables to ConfigHelper (#9620 - @mhlidd)
• ✨⚡ Reuse SpanBuilder within a Thread (#9537 - @dougqh)

Tracer public API

• ✨ Migrate querying of environment variables to ConfigHelper (#9620 - @mhlidd)
• ✨📖 Implement Config Inversion with default strictness of Warning (#9539 - @mhlidd)

Instrumentations

Apache Spark instrumentation

• 🐛 Fix muzzle mismatch causing Spark jobs on Databricks 17.3 to not be instrumented (#9872 - @aboitreaud)
• ✨ Extract SparkPlan product and append to trace (#9783 - @charlesmyu)

JDBC instrumentation

• 🐛 Avoid NPE while accessing JDBC metadata URL (#9815 - @amarziali)
• ✨ Add option to JDBC instrumentation to always append DBM comment (#9798 - @na-ji)
• 🐛 Fix generic url parsing in JDBC instrumentation (#9777 - @vandonr)

OpenTelemetry instrumentation

• 🐛 Fix OpenTelemetry span events (#9864 - @ValentinZakharov)
• 🐛 Normalize behavior of OTel spans created from custom instrumentation and trace annotations (#9759 - @mhlidd)
• ✨ Avoid allocating a tracing context when not fully extracted (#9693 - @amarziali)

All other instrumentations

• 🐛 Avoid NPE on FinatraInstrumentation (#9760 - @amarziali)