1.17.0

New

• Support for "Unified Service" concept with new or renamed settings, standard across all language tracers (#716)
  • DD_SERVICE to set the service name (previously DD_SERVICE_NAME)
  • DD_VERSION to set the service version (new)
  • DD_TAGS to set global spans (previously DD_TRACE_GLOBAL_TAGS)
  • DD_ENV (no change)
  • env and version tags are added to all spans and metrics
  • dd.env, dd.service, and dd.version fields are injected into application logs
  • Previous setting names (e.g. DD_SERVICE_NAME) are still supported for backwards compatibility

Fixes

• Fix OOM issue caused by loading same assembly many times (#729)
• Ignore HttpException with 404 status code in ASP.NET (#719, fixes #718, thanks @kendallb)
• Continue tracing even if creating the Statsd client fails (#721)
• Azure App Services: improve management of child processes (#723)

Build / Test

• Fix artifact filename when uploading to S3 (#728)

Changes since 1.16.2

v1.16.3-prerelease

v.1.16.3-prerelease bump (#725)

1.16.2

NOTE: We identified an issue with automatic instrumentation in release 1.16.2. This issue only affects applications running in IIS. As a result, we removed the Windows installers from this release. We recommend installing the latest release.

New

• Add AppDomain and Tracer version to Tracer logs (#712)

Fixes

• Fix issue with automatic instrumentation when parsing invalid IL (#708, fixes #663)
• Fix issue with automatic instrumentation when LoaderOptimization is set to SingleDomain or 1 (#713, fixes #667)
• Fix issue where LibLog can't resolve application logger (#715)

Build / Test

• Refactor CI build pipelines (#704, #714)

Changes since 1.16.1

1.16.1

New

• Add opt-in integration for SocketsHttpHandler (#695, #709). This can be enabled by setting DD_HttpSocketsHandler_ENABLED=true
• Add opt-in CLR Profiler environment variable DD_TRACE_DOMAIN_NEUTRAL_INSTRUMENTATION to override the default instrumentation (#690). Note: Only enable this if you are sure that all of your IIS Application Pools have at most one application in them. Otherwise, your applications may experience error HRESULT 0x80131401

Fixes

• Fix application crash for 32-bit .NET Framework processes using DbCommand.xxxAsync automatic instrumentation (#702)

Performance Overhead

• Replace MsgPack library with MessagePack (#696)

Build / Test

• Update NuGet client in CI (#694)
• Update release tools to minimize user errors (#699)
• Improve CI integration tests (#700)
• Add additional CI smoke test for domain-neutral assembly instrumentation (#705)

Changes since 1.16.0

1.16.0

New

• Support text map format in OpenTracing (#677, thanks to @alanisaac)

Fixes

• Install ASP.NET HttpModule from the msi installer (#684)
• Fix race condition in Dogstatsd (#683)
• Obfuscate larger IDs in URL segments to decrease resource name cardinality (#676)

Performance Overhead

• Reduce number of heap allocations per trace (#685)

Builds

• Remove Datadog.Trace.AspNet and Datadog.Trace.ClrProfiler.Managed nupkg builds (#682)
• Remove package feed dependency from CI builds (#679)
• Publish master artifacts to S3 in packaging build (#686)
• Fix assembly and nuget metadata (#691)

Changes since 1.15.0

1.15.1-prerelease

v1.15.1-prerelease

bump version to 1.15.1-prerelease (#687)

1.15.0

NOTE: We identified an issue with automatic instrumentation in release 1.15.0. As a result, we removed the installers from this release, but we are leaving the release notes as reference. We recommend installing the latest release.

Performance

• Keep JIT optimizations on by default on Linux (#473). Optimizations were previously disabled by default on Linux to avoid a bug in the .NET Core runtime (see #302 for more details). If your .NET Core environment meets the following conditions, we strongly recommend setting the environment variable DD_CLR_DISABLE_OPTIMIZATIONS=true
  • .NET Core on Linux
  • Any .NET Core 2.0 version or .NET Core 2.1 version <=2.1.11 or .NET Core 2.2 version <=2.2.5

Documentation

• Add sample applications for setting up Automatic Trace ID Injection into application logs (#538)

All commits | Full diff

1.14.3-prerelease

v1.14.3-prerelease

bump version to 1.14.3-prerelease (#678)

1.14.2

Fixed

• automatically disable instrumentation of an assembly if we detect that a sharing violation (SECURITY_E_INCOMPATIBLE_SHARE) might occur (#671). This error can happen when multiple ASP.NET applications are running in the same Application Pool in IIS. See also #475 and #592.

Loading this assembly would produce a different grant set from other instances.
(Exception from HRESULT: 0x80131401)

Upgrading from previous versions? See the release notes for v1.12.0 regarding recent changes to our NuGet package requirements.

All commits | Full diff

1.14.1-prerelease

Prerelease for validating fix for FileLoadException: Loading this assembly would produce a different grant set from other instances. (Exception from HRESULT: 0x80131401) (#671)