3.29.0

Summary

• [OTEL] Metrics API Support - Metrics Reader & OTLP Exporter (#7514)
• [Azure Functions] Add aas.site.kind tag to agentless logs (#7623)
• [Azure Functions] Skip instrumenting orchestrator functions (#7640)
• Various other fixes and improvements

Changes

Tracer

• Rebuild MutableSettings on dynamic config changes (#7525)
• Move DefaultServiceName to MutableSettings (#7530)
• Simplify PerTraceSettings.GetServiceName() (#7532)
• [PDB] Handle exception during opening a pdb file (#7573)

CI Visibility

• [TestOptimization] Catch IOException on the Git folder discovery (#7658)

Continuous Profiler

• [crashtracker/profiler] Notify profiler the application is crashing (#7657)

Debugger

• [Dynamic Instrumentation] DEBUG-3695 Return correct RC apply details (#6890)
• [Dynamic Instrumentation] Skip some debugger tests on .NET 8 or greater (#7631)
• Minor fix in DynamicConfigurationManager update process (#7664)
• [Dynamic Instrumentation] DEBUG 3794 Stabilize snapshot enumerable serializing (#6910)
• [Dynamic Instrumentation] DEBUG-3959 Guard against undefined value expression (#7008)
• [Debugger Default-On] DEBUG-4341 Forward snapshots to debugger intake (#7388)
• [Dynamic Instrumentation] Ensure DI metric probe does not send automatic telemetry (#7621)
• [Dynamic Instrumentation] Remove reference types value property from snapshot (#7635)

Serverless

• [Azure Functions] Add aas.site.kind tag to agentless logs (#7623)
• [Azure Functions] Skip instrumenting orchestrator functions (#7640)

Miscellaneous

• [OTEL] Metrics API Support - Metrics Reader & OTLP Exporter (#7514)
• [internal docs] Add CI troubleshooting documentation (#7634)
• [OTEL] Moves OTelMetrics Under OpenTelemetry.Metrics (#7638)
• Minor refactor and added tests for DynamicConfigurationManager (#7652)
• [OTEL] Vendoring OtlpGrpcExportClient And Enabling OTLP Metrics gRPC Tests (#7666)
• [Code Origin] Add debug logs to code origin for entry span (#7612)
• [Code Origin] Performance: Add Assembly Filter Caching for Code Origin (#7667)
• Small OpenTelemetry Metrics fixes and optimizations (#7632)

Build / Test

• Optimize AGENTS.md with contextual load guidance (#7625)
• Bump timeit to v0.4.6 (#7647)
• Improve and simplify the microbenchmarks CI setup (#7613)
• Capture Exception when sending metrics (#7614)
• [Test Package Versions Bump] Updating package versions (#7617)
• Fix profiler_execution_benchmarks flakiness (#7622)
• Fix the code freeze action (#7626)
• Revert "[SINT-4157] sanitise ultimate-pipeline.yml" (#7627)
• Increase Docker run step resiliency for Profiler integration tests (#7629)
• [SINT-4157] sanitise ultimate-pipeline.yml (#7630)
• [Azure Functions] Add Build-AzureFunctionsNuget.ps1 helper script for local developement (#7633)
• Update CODEOWNERS for consistent ownership of managed loader files (#7643)
• [Test Package Versions Bump] Updating package versions (#7644)
• Clone the prod dd-trace-dotnet microbenchmark branch for microbenchmarks (#7646)
• Fix CleanObjFiles job (#7648)
• [Test Package Versions Bump] Updating package versions (#7655)
• [OTEL] Switches OTLP Tests To dd-apm-test-agent Instead of MockTracerAgent (#7656)
• Fix nuget installer smoke tests (#7619)

Changes since 3.28.0

3.28.0

Summary

• [Tracer] Add Azure Service Bus instrumentation (#7413)
• [Tracer] add OTEL quartz autoinstrumentation (#7192)
• [Tracer] Add Azure Service Bus batching support (#7553)
• [Test Optimization] Failed Test Replay (#7102)
• [AAP] Enable by default API Security Endpoints collection when appsec enabled (#7569)
• [Tracer] Fix for sending duplicate logs when using Agentless Logging in Azure Function host (#7383)
• [Code Origin] Disable code origin for exit spans (#7610)
• [Profiler] Make timer_create-based CPU profiler default (#7578)

Changes

Tracer

• No longer forgive spans.Array from being null (#6878)
• Update Datadog.Sketches vendored code (#7299)
• [Debugger Default-On] DEBUG-3322 Debugger in-product enablement (#7366)
• Extract MutableSettings from TracerSettings (#7522)
• Protect against UriFormatException (#7550)
• Update the ProfilerSettings enablement to ignore SSI (#7557)
• [DI-EL] Add debug log in case evaluation result is null and it shouldn't be null (#7558)
• [SymbDB] Ignore canceled exception (#7572)
• [ER]- Fix ER system tests (#7576)

CI Visibility

• [Test Optimization] Failed Test Replay (#7102)
• fix(ci): recycle stale ServicePoint connections (#7593)

ASM

• [AAP] Enable by default API Security Endpoints collection when appsec enabled (#7569)

Continuous Profiler

• [Profiler] Leverage new .NET 10 allocation sampling (#6930)
• [Profiler] Support Stable Config (#7287)
• Update profiler availability helper to assume Windows always sets the env var (#7555)
• [Profiler] Add Index to samples and build index vector for libdatadog (#7559)
• Revert "Revert "[Profiler] Make timer_create-based CPU profiler default (#7322)"" (#7578)

Debugger

• [Debugger Default-On] DEBUG-4406 Support multi-config merging with priorities (#7536)
• [Debugger Default-On] Add debuger dynamic configurations keys (#7595)
• [Dynamic Instrumentation] Skip dynamic config test net8 (#7608)
• [Code Origin] Disable code origin for exit spans (#7610)

Serverless

• [Azure Functions] Add Nuke targets to build local nuget for testing (#7537)

Fixes

• Set "component" tag for ASP.NET (#6010)
• Fix for sending duplicate logs when using Agentless Logging in Azure Function host (#7383)
• Remove duplicate "public" APIs and Internal prefix/suffixes (#7546)
• Fix log directory location for managed code in Windows nano server (#7561)

Miscellaneous

• Fallback to OperationName instead of string.Empty for ElasticSearch ResourceName (#5610)
• [tracing] add OTEL quartz autoinstrumentation (#7192)
• [Tracer] Add Azure Service Bus instrumentation (#7413)
• Add a code fix provider for invalid DuckType null checks (#7448)
• [OTEL] Metrics API Support - Collection Implementation (#7511)
• [Tracer] Add Azure Service Bus batching support (#7553)
• [crashtracking] Change Crashtracking filtering default value (#7598)
• add CLAUDE.md, updates to AGENTS.md (#7602)
• Add performance, testing, logging, Azure Functions, and glossary to AGENTS.md (#7609)

Build / Test

• Replace code-freeze/action.yml with pr-status-updater/action.yml (#6702)
• Build and run tests against .NET 10 RC 1 (#7499)
• [Test Package Versions Bump] Updating package versions (#7515)
• Remove the guards around M.D.SqlClient V4 in tests (#7541)
• Skip failing TraceAnnotationsTests in .NET 6.0 (#7551)
• Skip failing TraceAnnotationsTests in .NET 6.0 (#7552)
• Fix flakiness in the TraceAnnotation tests (#7554)
• Update CODEOWNERS (rename apm-sdk-api to apm-sdk-capabilities) (#7563)
• Fix smoke tests for nuget tool (#7564)
• Output MSBuild errors when publishing (#7566)
• Improve and simplify the microbenchmarks CI setup (#7571)
• [SINT-2273] update workflow steps (#7579)
• [SINT-4157] sanitise ultimate-pipeline.yml (#7582)
• Escape all paths in DownloadLibDatadog (#7583)
• exclude api keys from sample app logs (#7592)
• [SINT-4157] improve workflow (#7599)
• Bump the gh-actions-packages group across 2 directories with 5 updates (#7600)
• Mark FlakyRetriesWithExceptionReplay as flaky (#7603)
• Increase the Gitlab Build timeout (#7604)
• Update .gitlab/one-pipeline.locked.yaml (#7605)
• Revert "Improve and simplify the microbenchmarks CI setup" (#7606)

Changes since 3.27.0

3.27.0

Summary

Various bug fixes and optimizations. Includes fix for Runtime Metrics that could be missing and more accurate telemetry reporting.

Changes

Tracer

• Remove unused dynamic settings (#7487)
• Fix incorrect usages of TracerManager PerTraceSettings (#7488)
• Add additional compiler flags to allow required (#7501)
• Fix .NET 10 RC1 bugs (#7506)
• fix(telemetry): correct heartbeat interval calculation (#7507)
• Fix ManualInstrumentationConfigSource and introduce base type (#7508)
• Allow optimized creating of composite configuration source (#7509)
• Move partial flush settings from ExporterSettings to TracerSettings (#7516)
• fix: change Language value from '.NET' to 'dotnet' in trace headers (#7523)
• Hide problematic public APIs using [EditorBrowsable] (#7531)
• Add a Continuous Profiler availability check (#7534)

ASM

• [AAP] Update waf version to v1.28.0 (#7494)
• [AAP] Update waf to v1.28.1 (#7524)
• [AAP] Test endpoint collection with APM tracing disabled (#7535)

Debugger

• [Dynamic Instrumentation] Added native hot standby mode to support Remote Enablement and Stable Config (#7441)
• [Dynamic Instrumentation] Avoid async instrumentation if the type AsyncMethodDebuggerInvokerV2 does not exist (#7513)

Serverless

• [Azure Functions] bump Datadog.Serverless.Compat nuget package reference (#7497)

Fixes

• More cleanup in native loader code (#7475)
• Fix dependabot again by allowing private feed access (#7480)
• [Tracer] Updating Statsd in RuntimeEventListener (#7512)

Miscellaneous

• [OTEL] Metrics API Support - Configurations & Telemetry (#7420)
  • This feature is incomplete and still in development
• Simplify Windows benchmarks credential setup (#7498)
• Allow passing fallback values to IntegrationSettingsCollection (#7510)
• Add AGENTS.md file (#7539)

Build / Test

• Timeout error installer_smoke_tests (#7468)
• Attempt to improve Kafka timeout flake in tests (#7474)
• Try fixing ASAN job crashes (#7476)
• Update Windows macrobenchmark tooling (#7481)
• Update Windows microbenchmark tooling (#7482)
• [Hands-off config] add integration test (#7483)
• [Test Package Versions Bump] Updating package versions (#7484)
• Check for errors when signing (#7490)
• Sign artifacts using 0.3.5 of the dd wcs tool (#7492)
• Decrease Nuke restore verbosity job (#7493)
• Decrease log level when uncompressing files in Nuke (#7496)
• Fix macos build (#7503)
• Mark kafkatests as flaky (#7505)
• Upload execution benchmark log files and cleanup (#7521)
• chore(CI): add ForceDebugRun variable for debug control system tests (#7528)
• Ensure execution_benchmarks download the profiler (#7529)
• Capture timeout exceptions in IAST tests (#7533)
• Fix the verify_app_trimming_changes_are_persisted job (#7542)

Changes since 3.26.3

3.26.3

Summary

Fixes authenticode signing for artifacts by updating our CI images to use the appropriate Windows signing tools.

Changes

Build / Test

• Check for errors when signing (#7490)
• Sign artifacts using 0.3.5 of the dd wcs tool (#7492)
• Decrease Nuke restore verbosity job (#7493)
• Decrease log level when uncompressing files in Nuke (#7496)

Changes since 3.26.2

3.26.2

Summary

Includes fix for Runtime Metrics that could be missing and more accurate telemetry reporting.

• Fix incorrect heartbeat interval calculation (#7507)
• Fix Statsd usage in RuntimeEventListener (#7512)

Changes since 3.26.1

3.26.1

Warning

Versions 3.25.0-3.26.1 include a bug related to Runtime Metrics, in which metrics are no longer reported after a configuration update. If you are affected, please update your library to version 3.26.2 or above.

Summary

Fixes authenticode signing for artifacts

Changes since 3.26.0

3.26.0

Warning

Versions 3.25.0-3.26.1 include a bug related to Runtime Metrics, in which metrics are no longer reported after a configuration update. If you are affected, please update your library to version 3.26.2 or above.

Summary

Various bug fixes and optimizations.

Changes

Tracer

• Update build and testing to use .NET 10 preview 7 (#7170)
• add logging for data pipeline status in TracerSettings (#7436)
• Use P/Invoke to call lstat instead of shelling out to stat to retrieve the inode (#7453)
• [Native] Convert Rejitters vector to a fixed array (#7460)
• [Phase 1] chore(configuration): enable DataPipelineEnabled on the AAS Site Extension (#7464)

ASM

• [AAP] Add Forwarded header as IP source (#7438)
• [AAP] Add "100.65.0.0/10" as a private IP range (#7461)
• [IAST] Fix GRPC IAST tests (#7485)
• [IAST] Delay dataflow creation (#7440, #7451, #7465)

Continuous Profiler

• [Profiler] Make sure we generate a build-id using SHA-1 (#7449)
• [Profiler] Try fixing TSAN job (#7452)

Serverless

• [Azure Functions] Restore files moved by in-process Azure Functions SDK (#7419)

Fixes

• Support final="true" in NLog Logging rules for direct log submission (#7445)
• Extract the Managed DevOps pools names to variables (#7447)
• Update language used in native log messages (#7467)
• Remove Samples.TraceAnnotations.VersionMismatch.NewerNuget (#7469)
• Remove Samples.CIVisibilityVersionMismatch (#7471)
• Add parameter names to MongoDb IBsonSerializerProxy.Serialize() method (#7443)
• Fix GRPC instrumentation for BuildHttpErrorResponse. Enable integration tests. (#7457)

Build / Test

• Use mock agent in exploration tests (#7431)
• [Test Package Versions Bump] Updating package versions (#7435)
• Use the global.json file to specify the .NET SDK version in GitHub Actions (#7442)
• Update Managed DevOps pools images (#7446)
• Remove smoke test image that won't work (#7450)
• [Test Package Versions Bump] Updating package versions (#7455)
• Bump the gh-actions-packages group across 2 directories with 2 updates (#7456)
• [Test Package Versions Bump] Updating package versions (#7458)
• Split dependabot files into separate projects (#7459)
• Bump actions/setup-dotnet from 4.3.1 to 5.0.0 in the gh-actions-packages group across 1 directory (#7463)
• Try to fix dependabot (#7466)
• Improve logging for InstrumentationTests and update dynamic code scenario (#7472)
• Fix typo in dependabot yaml (#7477)
• Fix dependabot again (#7478)

Miscellaneous

• Consolidate bailout checks into native loader (#7462)
• [Native] Safer rejitter iterations (#7473)

Changes since 3.25.0

3.25.0

Warning

Versions 3.25.0-3.26.1 include a bug related to Runtime Metrics, in which metrics are no longer reported after a configuration update. If you are affected, please update your library to version 3.26.2 or above.

Summary

• Various bug fixes and optimisations

Changes

Tracer

• Implement "enahanced telemetry reporting" (#7360)
• Don't call ToUpperInvariant if we don't need to (#7393)
• Handle TypeLoadException when retrieving HostingEnvironment (#7417)
• Add missing GetDictionary() method to ConfigurationBuilder (#7421)
• More ConfigurationBuilder refactoring to avoid incorrect usages (#7422)
• [Tracer] fix: Re-use runtime metrics writer resources to limit memory growth (#7434)

Continuous Profiler

• [Profiler] Make timer_create-based CPU profiler default (#7322)
• Revert "[Profiler] Make timer_create-based CPU profiler default (#7322)" (#7427)

Debugger

• Disable debugger initialization if it's not enabled initially (#7398)

Serverless

• [Azure Functions] Remove all Serverless Mini-Agent (SMA) code (#7389)

ASM

• [IAST] Fix NRE in Native IAST ModuleInfo->GetFullName() (#7404)

Fixes

• fix: Clean up small C# and C++ build warnings (#7363)
• chore: update malformed telemetry name (#7402)
• Get process start info variables safely (#7423)
• Fix null reference exception in proxy spans (#7428)

Build / Test

• [CI] Creates PR Label Based Docker Image (#7337)
• [Test Package Versions Bump] Updating package versions (#7315)
• Include the target framework in our InstrumentationTests (#7347)
• Ignore rejit timeout errors in smoke tests and report a metric (#7370)
• fix: Make OTLP metrics snapshot testing more stable (#7374)
• Add final job for blocking merges of PRs (#7376)
• Fix debug symbol upload in release job (#7377)
• Fix Windows SSI release (#7379)
• Fix null ref type warning in Nuke (#7382)
• Fix creation of label-based artifacts for system tests (#7385)
• Filter our exit span from Azure Functions tests (#7391)
• Fix variable generation for linux-arm64 unit tests (#7394)
• Add more alpine checks for native library (#7395)
• [Test Package Versions Bump] Updating package versions (#7396)
• Fix ASM WAF unit tests (#7397)
• [SINT-3848] 🔒 Pin GitHub Actions to specific SHA versions for enhanced security (#7400)
• Improve PR labelling and release note generation (#7401)
• [Native] Add native string unit tests (#7407)
• Add Os, OsVersion, and Tfm to CI flaky-smoke-test metrics (#7409)
• Scrape native tracer stats from logs in smoke tests and track in Datadog (#7410)
• Update tracer_home_smoke_tests stage to use MS hosted windows images (#7412)
• Enable runtime metrics for macrobenchmarks (#7414)
• Try to fix dynamic instrumentation tests (#7415)
• Make the Instrumentation.cs file owned by everyone (#7416)
• Try to fix more flake in fleet installer IIS tests (#7418)
• Bump the gh-actions-packages group across 1 directory with 5 updates (#7429)
• [Test Package Versions Bump] Updating package versions (#7430)

Miscellaneous

• Fix minor warnings and issues and improvements (#7390)
• refactor(libdatadog): namespaces and file organization, error code and typo (#7405)
• Don't write debug logs to console for hands off config (#7392)
• chore(trace-exporter): disable data pipeline when SSI is enabled (#7386)
• [Service Disc] Change type layout to make it x86 safe (#7387)
• [HandsOff Config] Read sources from libdatadog (#7282)
• Refactor telemetry in ConfigurationBuilder (#7354)
• [Native] Added DBG macro that checks for IsDebugEnabled before logging a debug trace (#7406)
• refactor(libdatadog): error handling and trace exporter response management (#7411)

Changes since 3.24.1

3.24.1

Summary

• Fixes the SSI artifact publishing, which were not published in 3.24.0

Changes

Misc

• Fix Windows SSI release (#7379)

Changes since 3.24.0

3.24.0

Summary

• [Tracer] Logs injection for connecting logs with traces is enabled by default. To disable, set DD_LOGS_INJECTION=0
• [Tracer] Add support for latest S3 and MSTest packages
• [AAP] Add resource name to the collected endpoints
• [DSM] Flush DSM stats on Lambda Stop

Changes

Tracer

• Refactor the profiling configuration reading (#7303)
• Minor IConfigurationSource clean up (#7327)
• chore: clean up baggage span tags implementation (#7335)
• Update default value of DD_LOGS_INJECTION to true (#7336)
• Fix broken S3 integration (#7368)

CI Visibility

• [Test Optimization] Support for MSTest v3.10 (#7343)

ASM

• [AAP] Add resource name to the collected endpoints (#7317)
• [AAP] Add latest supported waf capabilities to RC (#7332)
• [AAP] Added WAF metrics. Reorganized other metrics to match RFC (#7356)
• [AAP] Update WAF ruleset to v1.15.0 (#7331)

Debugger

• [Dynamic Instrumentation] DEBUG-3514 Refactor debugger code (#7304)
• Removes exception throwing during shutdown of dynamic instrumentation (#7375)

Serverless

• DSMS-90: Flush DSM stats on Lambda Stop (#7054)

Data Streams Monitoring

• Do not inject DSM legacy headers by default in "default enabled" mode (#7351)

Build / Test

• Update xunit to latest, fix analyzer warnings, and update analyzer tests (#7280)
• Send Warm-up request in iisexpress integration tests (#7321)
• Update CODEOWNERS with SDK capabilities team as owners (#7328)
• Pre pull aerospike image (#7333)
• Remove CMake warning: jobserver unavailable: using -j1. Add `+' to parent make rule. (#7334)
• Fix typo in create_draft_release (#7338)
• Fix the signing of the fleet installer exe (#7341)
• Elaborate on Run failed description (#7344)
• Work around flake in the Couchbase 3 integration tests (#7357)
• Try to fix flake by using unique keys in StackExchange sample tests (#7359)
• Mark the OTLP metrics test as [Flaky] (#7369)
• Fix more flake in the IIS fleet smoke tests (#7372)
• Don't test Aerospike.Client 8.1.0 on .NET 6 or 7 (#7349)

Miscellaneous

• Cache response in order to avoid unnecessary deserializations (#7320)

• Add Stats on EnqueueRequestRejitForLoadedModules (#7340)

• Include telemetry_forwarder.exe in the Windows SSI OCI images (#7342)

• Update the configuration key for controlling managed activation (#7350)

• Update libdatadog to 20.0.0 (#7358)

Changes since 3.23.0