Components

Application Security Management (WAF)

• 🐛 Forbidden attempt to set different raw URI for given request context - issue #10700 (#10709 - @jandro996)
• ✨🧪 Set sampling decision maker for AI Guard (#10702 - @smola)
• 🐛 Always collect response headers in span when AppSec is enabled (#10648 - @jandro996)
• ✨ Force manual keep of traces for AI Guard (#10625 - @smola)
• 🐛 Optimize AppSecRequestContext numeric conversion to eliminate exceptions on hot path (#10520 - @jandro996)
• ✨ Improve API Security sampling when tracers lack HTTP routes(#10424 - @jandro996)
• ✨ HTTP Endpoint Inference for Trace Resource Renaming (#10393 - @jandro996)

Configuration

• ✨ Add DD_OTLP_METRICS_COMPRESSION setting and map OTel env-vars to it (#10680 - @mcculls)

Continuous Integration Visibility

• 🐛 Fix usage of deprecated field in AndroidGradleUtils (#10710 - @daniel-mohedano)
• 🧹 Refactor execution policies (#10676 - @daniel-mohedano)
• ✨ Add display name as parameter in JUnit5 dynamic tests (#10649 - @daniel-mohedano)
• ✨ Avoid computing merge base for PR info in DDCI legacy mode (#10624 - @daniel-mohedano)
• ✨⚡ Saving buildGitInfo lambda into a member variable (#10615 - @dougqh)
• ✨ Implement early exit for retry mechanisms (#10604 - @daniel-mohedano)
• 🐛 Validate path traversals in repo root (#10568 - @daniel-mohedano)
• ✨ Introduce pagination support for known tests API (#10536 - @daniel-mohedano)
• ✨ Create final status tag on test events (#10528 - @daniel-mohedano)
• ✨ Fix Job URL format for Github Actions (#10514 - @daniel-mohedano)
• ✨ Improve git security settings (#10486 - @daniel-mohedano)

Crash Tracking

• ✨ Preserve the function relative address when parsing a crash (#10544 - @amarziali)
• ✨ Add J9/OpenJ9 crash tracking support (#10496 - @jbachorik)
• ✨ Improve crashtracking payload and add build_id and relative address (#10469 - @amarziali)

Data Streams Monitoring

• 🐛 Fixed kafka produce extractor error (#10610 - @kr-igor)

Database Monitoring

• 🐛 Write base hash to current span when injected in DBM comment (#10450 - @vandonr)

Dynamic Instrumentation

• 🐛 Fix race condition for Failed Test Replay (#10679 - @daniel-mohedano)
• 🐛 Fix Windows path parsing in JarScanner (#10664 - @tylfin)
• ✨ Refactor to store samplers inside probes (#10605 - @jpbempel)
• 🐛 Fix SymDB jar processing (#10592 - @jpbempel)
• ✨ Send debugger logs to DEBUGGER track (#10585 - @jpbempel)
• 🐛 Fix Capture Expression on primitives (#10549 - @jpbempel)
• 🐛 Add rate limit on span decoration probe errors (#10529 - @jpbempel)
• 🐛 Fix method parameters JVM bug (#10521 - @jpbempel)
• 🐛 Fix Capture Expressions support for multi-probes (#10519 - @jpbempel)
• 🐛 Fix Exception Replay in Lambda (#10505 - @jpbempel)

Profiling

• ✨ Bump aircompressor to 2.0.3 (#10673 - @jbachorik)
• 🐛 Disable jdk.CPUTimeSample when ddprof handles CPU profiling (#10634 - @jbachorik)
• ✨ Add JFR scrubbing before profile upload (#10577 - @jbachorik)

Trace context propagation

• ✨⚡ Changing traceSource to volatile rather than an AtomicInteger (#10614 - @dougqh)

Tracer core

• ✨ Add manual service name source (#10704 - @amarziali)
• 🐛 Do not remove the version tag if manually set (#10703 - @amarziali)
• 🧹 Upgrade to jctools 4.0.6 (#10691 - @amarziali)
• ✨ Refine service name sources for configuration options (#10658 - @amarziali)
• ✨ Add service name source to trace stats (#10653 - @amarziali)
• ✨⚡ Creating HashingUtils as alternative to Objects.hash (#10628 - @dougqh)
• ✨ Track service name source (#10607 - @amarziali)
• 🐛 Make MemFDUnixWriterFFM compatible with early SegmentAllocator jdk implementations (#10602 - @amarziali)
• ⚡🧹 Remove use of AtomicReferenceArray in RadixTreeCache (#10600 - @mcculls)
• ✨ Propagate response body in case of non 200 status code. (#10593 - @AlexeyKuznetsov-DD)
• ✨ Update jnr-unixsocket dependency to 0.38.24 (#10565 - @mcculls)
• 🐛 Avoid potential ConcurrentModificationException in TunnelingJdkSocket (#10564 - @mcculls)
• ✨ Add primitive versions of setMetric to DDSpanContext (#10516 - @dougqh)
• ✨⚡ Reuse SpanKind Entry in ClientDecorator (#10503 - @dougqh)
• ✨⚡ Reducing Allocation from GitInfo (#10498 - @dougqh)
• ✨⚡ Caching the primaryInstrumentationName (#10477 - @dougqh)
• ✨⚡ Adds methods for setting TagMap.Entry directly on AgentSpan/DDSpan (#10472 - @dougqh)
• 🐛 Remove RadixTreeCache for int status and protect httpStatus short cache (#10236 - @amarziali)

Tracer internal logging

• ✨ Adding Logging for JMS ITERATION Scope (#10632 - @mhlidd)

Instrumentations

Apache Spark instrumentation

• ✨ Spark instrumentation: capture emr step id when spark runs as EMR step (#10670 - @aboitreaud)
• ✨ Initial spark launcher instrumentation (#10629 - @aboitreaud)

AWS Lambda instrumentation

• 🐛 Fix Exception Replay in Lambda (#10505 - @jpbempel)

Core Java language instrumentation

• 🐛 Fixed issue with recursive calls which can cause StackOverflowError. (#10535 - @AlexeyKuznetsov-DD)
• ✨⚡ Reuse TagMap.Entry objects in BaseDecorator (#10501 - @dougqh)

JDBC instrumentation

• 🐛 DbInfo Thread Safety (#10517 - @dougqh)

JMS instrumentation

• ✨ Adding Logging for JMS ITERATION Scope (#10632 - @mhlidd)

Netty instrumentation

• 🐛 Track server context in netty4 instrumentation (#10556 - @mcculls)
• 🐛 Track server context in netty3 instrumentation (#10555 - @mcculls)

OpenTelemetry instrumentation

• ✨ Add DD_OTLP_METRICS_COMPRESSION setting and map OTel env-vars to it (#10680 - @mcculls)
• 💡 Implement OpenTelemetry Observable Metrics API (#10631 - @mcculls)
• 💡 Adjust OpenTelemetry metrics temporality according to global preference and instrument type (#10545 - @mcculls)
• 💡 Add support for otel.java.metrics.cardinality.limit system property (#10541 - @mcculls)
• 💡 Implement OpenTelemetry meter storage and aggregations (#10534 - @mcculls)

Play Framework instrumentation

• 🐛 Combine play spans with surrounding framework context before attaching them (#10554 - @mcculls)

Servlet instrumentation

• 🐛 Combine dispatch span with request context in generic Servlet3 advice (#10557 - @mcculls)
• ✨⚡ Reuse TagMap.Entry objects in BaseDecorator (#10501 - @dougqh)
• ✨⚡ Extracting span kind & language into static TagMap.Entry objects (#10495 - @dougqh)
• ✨⚡ Caching the primaryInstrumentationName (#10477 - @dougqh)

Synapse Instrumentation

• ✨ Fix Synapse passthru spans finishing before status code is available (#10478 - @ValentinZakharov)