3.52.0

Summary

• [Tracing] Reduce dropped traces during forced flush
• [Tracing] Improve runtime metrics memory_load calculation
• [ASM[ Various bug fixes and improvements
• [Code Origins] Add code-origin support for ASP.NET
• [Dynamic Instrumentation] Add time budgets for probe expression evaluation

Changes

Tracer

• Change AgentWriter to only flush from a single task (#9007)
• AgentWriter cleanup (#9010)
• AgentWriter testing cleanup (#9011)
• Fix minor AgentWriter bugs (#9013)
• Ensure AgentWriter serialization always happens on the same thread (#9014)
• Avoid flinalizer crash on .NET Framework with FreeConsole/AllocConsole/AttachConsole (#9079)
• Partially fix runtime metrics memory_load calculation (#9095)

ASM

• [AAP] Open module metadata for writing only when we rewrite the module (#8991)
• [AppSec] Free the WAF diagnostics of every config applied to the builder (#9056)
• [AppSec] Dispose the WAF context when a non-web local root span closes (#9057)
• [AppSec] Emit appsec.waf.error telemetry (#9075)
• [IAST] Fix entry loss in DefaultTaintedMap under concurrency (#9041)

Continuous Profiler

• [Profiler] Improve reference chain (#8966)
• [Profiler] Fix flakiness due to Libraries Info Cache (#8997)

Debugger

• [Code Origin] Add code-origin support for ASP.NET MVC4/5 and Web API2 (#8739)
• [Debugger] Bound Dynamic Instrumentation probe expression evaluation with a time budget (#8806)
• [Debugger] Add guardrail telemetry metrics (#8998)
• [Debugger] Stabilize ClrMD heap assertions (#8999)
• [Debugger] Harden ClrMD memory assertions (#9035)
• [Dynamic Instrumentation] DEBUG-4669 change default string length limit from 1000 to 255 (#9065)
• [Debugger] Record Dynamic Instrumentation guardrail metrics (#9070)

Serverless

• [Serverless] Bump Datadog.Serverless.Compat to 1.8.0 (#9034)

Miscellaneous

• feat(otel): Emit OpenTelemetry HTTP semantic convention on HTTP client spans (#8975)
• [Configuration] Enforce sensitive configuration redaction at compile time (#8976)
• Fix OTLP trace metrics attribute gaps in span stats serializer (#8992)
• Update libdatadog-dotnet to 2.1.1 (#9091)

Build / Test

• test(ffe): use canonical FFE fixtures (#8616)
• Add the LLM Validation gate for AGENTS.md + the libdatadog-bump skill (#8845)
• Add environment to subject in chainguard policies (#8866)
• [Tracer] Fix integration test span wait thresholds (#8970)
• Fix flake in RabbitMQ DSM snapshots across bucket boundaries (#8972)
• [Smoke Test Docker Image Bump] Updating docker image tags (#8990)
• chore(feature-flags): expand CODEOWNERS coverage (#8994)
• Disable default launchSettings.json generation for the Fleet Installer integration tests (#9004)
• Fix SnapshotSlicerTests verify prefix (#9009)
• [Test Package Versions Bump] Updating package versions (#9018)
• Fix typo: IncludeAllTestFrameworks in hotfix branches (#9019)
• Fix native validation (#9020)
• ci: update one-pipeline to 1.3.0 (#9025)
• [Smoke Test Docker Image Bump] Updating docker image tags (#9036)
• [Test Package Versions Bump] Updating package versions (#9043)
• ci: update one-pipeline to 1.3.1 (#9047)
• Pin LLM validation gate to v0.1.1 (#9048)
• Update CODEOWNERS for integration tests ownership (#9049)
• Fix flake in AgentWriterTests (#9052)
• Fix flaky grpc tests (#9058)
• [Smoke Test Docker Image Bump] Updating docker image tags (#9061)
• Bump testing of Microsoft.Data.SQLite (#9063)
• Fix flaky WhenSupported_WritesAStatsPointAfterDelay test (#9074)
• [Test Package Versions Bump] Updating package versions (#9076)
• Fix IisCheckTests concurrency (#9077)
• [Tests] Retry non-application dotnet commands after SIGSEGV (#9080)
• LLM validation platform moved to ddoghq (#9081)
• Sign .nupkg contents (exe, dll etc, not package itself) (#9083)
• Remove * CODEOWNERS and fixup a few stale rules (#9084)
• [Smoke Test Docker Image Bump] Updating docker image tags (#9085)
• ci: update one-pipeline to 1.4.0 (#9087)
• Change /tracer/ to be unrooted tracer/ in CODEOWNERS (#9089)

Changes since 3.51.1