Datadog .NET Tracer 3.56.0

What's new in 3.56.0

Summary

• [Debugger] Fix native stack buffer overflow on large type signatures (#9377)
• [ASP.NET MVC] Stop child actions from naming the request (#9346)
• [Profiler] Take the heap snapshot memory threshold into account (#9399)

Changes

Tracer

• [Debugger] Fix stale local variable names from PDB lookup (#9389)
• [Tracer] Check only new methods in Desktop CLR NGen inliner replays (#9412)
• [Tracer] Restore OTLP adoption markers and fix smoke snapshots (#9363)
• [ASP.NET MVC] Stop child actions from naming the request (#9346)
• feat(telemetry)：report Quartz and Azure Service Bus spans (#9183)
• feat(otel)：Enable the OTel operator init container build (#9368)
• Expose resolved OpenTelemetry configuration in startup logs (#9376)

CI Visibility

• [Test Optimization] Fix MSTest 4.4.0 discovery and native retries (#9192)
• [CI] Bump DatadogTestCollector and DatadogTestLogger to 0.0.60 (#9417)

ASM

• perf(tracer)：reduce query-string matching cost (#9374)
• perf(tracer)：use lookbehind for JWT prefix in default query-string regex (#9405)
• Attempt to work around runtime flake for ASM (#8884)

Continuous Profiler

• Mark CheckCpuSamples as Flaky (#9392)
• Mark CheckTimestampAsLabel as Flaky (#9393)
• [Profiler] Take the heap snapshot memory threshold into account (#9399)

Debugger

• [Debugger] Fix native stack buffer overflow on large type signatures (#9377)

Serverless

• [Serverless] Remove serverless-azure-and-gcp and serverless-aws from CODEOWNERS (#9354)

Feature Flags

• [Feature Flags] Add agentless EVP fallback transport (#9235)
• [Feature Flags] experimental synchronous provider APIs (#9334)
• [Feature Flags] Bind discovery results to the Agent endpoint (#9352)
• [Feature Flags] Bound exposure shutdown and own the existing EVP sender (#9353)

Fixes

• Defer Desktop CLR NGen inliner enumeration to CLR callbacks (#9370)
• fix(otel)：emit stable deployment environment in logs (#9371)
• Fix false positives in LLM validation benchmarks (#9357)
• Fix hotfix branch creation from release tags (#9390)
• Fix regex test on .NET 5 (#9391)
• Fix flaky exposure shutdown flush test (#9396)

Build / Test

• Update to .NET 11 RC2 (#9404)
• [Test Package Versions Bump] Updating package versions (#9290)
• [Remoting] Fix bug when only a single server formatter is registered (#9333)
• Local Agentic Code Review Scripts (#9338)
• Ignore stale legacy benchmark results (#9349)
• Run smoke tests on PRs when the likely have changed (#9365) …

Full release notes »