Components

Application Security Management (WAF)

• ✨ Only report ASM_DD, ASM_DATA and ASM capabilities when AppSec is enabled (#9260 - @manuel-alvarez-alvarez)
• 🐛 Fix NPE in AppSecConfigServiceImpl (#9165 - @manuel-alvarez-alvarez)
• 🐛 Fix AppSec play.mvc.StatusHeader instrumentation for play 2.6 (#9160 - @manuel-alvarez-alvarez)

Build & Tooling

• ✨📖 Automatically register crashtracking via native extensions (#8851 - @MattAlp)

Configuration at Runtime

• ✨ Create activation origin config for telemetry (#9064 - @sezen-datadog)

Continuous Integration Visibility

• ✨ Update GitLab provided tags (#9275 - @daniel-mohedano)
• 🐛 Fix base branch SHA usage in GitHub Actions (#9257 - @daniel-mohedano)
• ✨ Add ci.job.id tag (#9256 - @daniel-mohedano)
• ✨ Add new org to Weaver instrumentation (#9235 - @daniel-mohedano - thanks for the contribution!)
• ✨ Improve Git commit info building (#9210 - @daniel-mohedano)
• ✨ Update Attempt to Fix to v5 (#9145 - @daniel-mohedano)

Crash tracking

• ✨📖 Automatically register crashtracking via native extensions (#8851 - @MattAlp)

Data Streams Monitoring

• ✨ Reduce DSM CPU overheard (#9151 - @kr-igor)
• ✨⚡ DSM optimizations for high throughput scenarios (#9137 - @kr-igor)

Database Monitoring

• 🐛 Fix duplicate trace injection for SQL Server and Oracle DBM full propagation mode (#9224 - @lu-zhengda)

Dynamic Instrumentation

• 🐛 Add URI in string primitives (#9285 - @jpbempel)
• ✨ Increase SourceFile tracking max queue size (#9271 - @jpbempel)
• ✨ Add capping on SourceFile tracking queue (#9245 - @jpbempel)
• ✨ Add third-party filtering in SourceFile tracking (#9205 - @jpbempel)

ML Observability (LLMObs)

• ✨ Add methods to capture embedding and retrieval spans (#9297 - @nayeem-kamal)

Metrics

• ✨ Change primary client stats configuration key (#9196 - @amarziali)
• ✨ Calculate client stats also if the span kind is eligible (#9157 - @amarziali)
• ✨ Backpropagate peer tags (#9144 - @bric3)
• 🐛 Make client stats reliable in case of downgrade (#9136 - @amarziali)

Platform components

• 🐛 Fix VM options parsing from /proc/fs (#9255 - @PerfectSlayer)

Profiling

• ✨ Switch profile compression to zstd default (#9293 - @jbachorik)

• ✨ Bump ddprof to 1.29.0 (#9262 - @zhengyu123)

  • Potential memory leak and race with the JVMTI wallclock sampler by @zhengyu123 in DataDog/java-profiler#234
  • Downport async-profiler no-allocation changes by @zhengyu123 in DataDog/java-profiler#245
  • Adopt openjdk safefetch by @zhengyu123 in DataDog/java-profiler#246
  • Safe fetch 64-bit value and pointer by @zhengyu123 in DataDog/java-profiler#247
  • Rebase on Async-Profiler 4.1 by @jbachorik in DataDog/java-profiler#252
  • Patch upstream stackWalker.cpp not to fail on unaligned access by @jbachorik in DataDog/java-profiler#218
  • Remap thread id to avoid bitmap contention by @zhengyu123 in DataDog/java-profiler#229
  • Improve performance using Unsafe to activate/deactivate thread filter by @zhengyu123 in DataDog/java-profiler#230
  • Unify context propagation by @zhengyu123 in DataDog/java-profiler#231

• 🐛 Fix the profiler stackdepth setting propagation in recent (22+) Java versions (#9130 - @jbachorik)

Realtime User Monitoring

• ✨ Wrap servlet original PrintWriter on rum injector (#9146 - @amarziali)

Telemetry

• ✨ Create activation origin config for telemetry (#9064 - @sezen-datadog)

Tracer core

• ✨⚡ Reduce span construction overhead by switching to optimized TagMap (#8589 - @dougqh)
• 🐛 Match Hands Off Config selectors on process_arguments value (#9201 - @paullegranddc)
• ✨ Move JSON generation to sender thread to improve startup time. (#9197 - @AlexeyKuznetsov-DD)
• ✨ Improve agent to avoid loading global config on main thread (#9190 - @PerfectSlayer)
• ✨ add injection metadata fields to telemetry forwarder (#9185 - @sydney-tung)
• 🐛 Avoid race conditions on feature discovery during Writer creation (#9173 - @daniel-mohedano)
• ✨ Surface potential root cause when agent initialization errors (#9170 - @AlexeyKuznetsov-DD)
• 💡 Support adding W3C baggage as span tags (#9169 - @rachelyangdog)
• ✨⚡ Align our default classloader excludes with OTel (#9161 - @mcculls)
• ✨ Backpropagate container tags hash coming from the info endpoint (#9156 - @amarziali)
• 🐛 Avoid race conditions and multiple agent discovery feature states (#9135 - @amarziali)

Instrumentations

AWS SDK instrumentation

• ✨ Enhance Service Representation for Serverless (#9203 - @zarirhamza)

gRPC instrumentation

• 🐛 Add check to prevent injection of repeated GRPC headers (#9246 - @mhlidd)

JDBC instrumentation

• 🐛 Fix duplicate trace injection for SQL Server and Oracle DBM full propagation mode (#9224 - @lu-zhengda)

Play Framework instrumentation

• 🐛 Fix AppSec play.mvc.StatusHeader instrumentation for play 2.6 (#9160 - @manuel-alvarez-alvarez)