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2.30.0

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@Strech Strech released this 19 Mar 12:50
· 57 commits to master since this release
v2.30.0
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Highlights

This release brings enhancements to Profiling and Tracing, along with important fixes across Dynamic Instrumentation and integrations. Features such as feature flags now also work on macOS.

Profiling can now use the a built-in DNS resolver when reporting data (system DNS remains the default) as well as introduces new experimental controls for cpu/wall-time sampling interval.

Tracing adds propagation of the Knuth sampling rate and new per-integration environment variables to control distributed tracing.

Process tag propagation is now enabled by default, and several fixes improve reliability for Dynamic Instrumentation, Data Streams Monitoring, and popular integrations like grape and dalli.

Added

  • Core: Enable libdatadog-based features and tests on macOS (#5351)
  • Tracing: Add _dd.p.ksr propagated tag to transmit Knuth sampling rate for backend resampling (#5436)
  • Tracing: Integrations: Add DD_TRACE_<INTEGRATION>_DISTRIBUTED_TRACING environment variables to control distributed tracing per integration (#5396)
  • Profiling: Add profiler setting experimental_use_system_dns to use system DNS resolver (defaults to true) (#5425, #5449)
  • Profiling: Allow lowering CPU profiling sampling interval with experimental_cpu_sampling_interval_ms setting (#5424)

Changed

  • Core: Enable process tags by default by setting DD_EXPERIMENTAL_PROPAGATE_PROCESS_TAGS_ENABLED, expanding tag collection for Tracing, Database Monitoring, Data Streams Monitoring, Profiling, Runtime Metrics, Process Discovery, Remote Configuration, Telemetry, Dynamic Instrumentation, and CrashTracking (#5432)
  • Core: Upgrade libdatadog dependency to version 29.0.0 (#5274, #5461)
  • Core: Remove dependency on pkg-config system tool for native extension builds (#5469)
  • Profiling: Improve profiling error message when another profiler is present (#5375)

Fixed

  • Tracing: Integrations: Fix endpoint_render.grape ActiveSupport notification instrumentation for grape 3.x (#5414)
  • Tracing: Integrations: Fix compatibility with dalli version 5.x and later (#5435)
  • Dynamic Instrumentation: Fix JSON serialization failures when snapshots contain binary data and invalid UTF-8 strings (#5434)
  • Dynamic Instrumentation: Show ERROR probe status when custom serializers produce non-JSON-encodable data instead of silent failures (#5448)
  • Data Streams: Fix Data Streams Monitoring to correctly report the configured environment instead of showing env:none (#5427)
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