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opentelemetry-dotnet/src/OpenTelemetry/CHANGELOG.md

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Changelog

Unreleased

  • Renamed HistogramConfiguration to ExplicitBucketHistogramConfiguration and changed its member BucketBounds to Boundaries. (#2638)

  • Metrics with the same name but from different meters are allowed. (#2634)

  • Metrics SDK will not provide inactive Metrics to delta exporter. (#2629)

  • Histogram bounds are validated when added to a View. (#2573)

  • Changed BatchExportActivityProcessorOptions constructor to throw FormatException if it fails to parse any of the supported environment variables.

  • Added BaseExporter.ForceFlush. (#2525)

  • Exposed public Batch(T[] items, int count) constructor on Batch<T> struct (#2542)

  • Added wildcard support for AddMeter. (#2459)

  • Add support for multiple Metric readers (#2596)

  • Add ability to configure MaxMetricStreams, MaxMetricPointsPerMetricStream (#2635)

1.2.0-beta1

Released 2021-Oct-08

  • Exception from Observable instrument callbacks does not result in entire metrics being lost.

  • SDK is allocation-free on recording of measurements with upto 8 tags.

  • TracerProviderBuilder.AddLegacySource now supports wildcard activity names. (#2183)

  • Instrument and View names are validated according with the spec. (#2470)

1.2.0-alpha4

Released 2021-Sep-23

  • BatchExportProcessor.OnShutdown will now log the count of dropped telemetry items. (#2331)
  • Changed CompositeProcessor<T>.OnForceFlush to meet with the spec requirement. Now the SDK will invoke ForceFlush on all registered processors, even if there is a timeout. (#2388)

1.2.0-alpha3

Released 2021-Sep-13

  • Metrics perf improvements, bug fixes. Replace MetricProcessor with MetricReader. (#2306)

  • Add BatchExportActivityProcessorOptions which supports field value overriding using OTEL_BSP_SCHEDULE_DELAY, OTEL_BSP_EXPORT_TIMEOUT, OTEL_BSP_MAX_QUEUE_SIZE, OTEL_BSP_MAX_EXPORT_BATCH_SIZE envionmental variables as defined in the specification. (#2219)

1.2.0-alpha2

Released 2021-Aug-24

  • More Metrics features. All instrument types, push/pull exporters, Delta/Cumulative temporality supported.

  • ResourceBuilder.CreateDefault has detectors for OTEL_RESOURCE_ATTRIBUTES, OTEL_SERVICE_NAME environment variables so that explicit AddEnvironmentVariableDetector call is not needed. (#2247)

  • ResourceBuilder.AddEnvironmentVariableDetector handles OTEL_SERVICE_NAME environmental variable. (#2209)

  • Removes upper constraint for Microsoft.Extensions.Logging dependencies. (#2179)

  • OpenTelemetryLogger modified to not throw, when the formatter supplied in ILogger.Log call is null. (#2200)

1.2.0-alpha1

Released 2021-Jul-23

  • Add basic Metrics support with a single pipeline, and supporting Counter (sync) instrument. Push and Pull exporters are supported. (#2174)

  • Removes .NET Framework 4.5.2, .NET 4.6 support. The minimum .NET Framework version supported is .NET 4.6.1. (#2138)

1.1.0

Released 2021-Jul-12

1.1.0-rc1

Released 2021-Jun-25

  • Moved IDeferredTracerProviderBuilder to API library. (#2058)

1.1.0-beta4

Released 2021-Jun-09

1.1.0-beta3

Released 2021-May-11

  • AddLegacySource() moved out of TracerProviderBuilderExtensions and into public API (#2019)

  • Fixed an issue causing inconsistent log scopes when using BatchLogRecordExportProcessor. To make parsing scopes easier the LogRecord.ForEachScope signature has been changed to receive instances of LogRecordScope (a new type which implements IEnumerator<KeyValuePair<string, object>> for accessing scope items) (#2026)

1.1.0-beta2

Released 2021-Apr-23

  • Use AssemblyFileVersionAttribute instead of FileVersionInfo.GetVersionInfo to get the SDK version attribute to ensure that it works when the assembly is not loaded directly from a file on disk (#1908)

1.1.0-beta1

Released 2021-Mar-19

  • Removed SuppressScope Increment/Decrement from DiagnosticSourceListeners. (1893)

  • Added TracerProviderBuilder.SetErrorStatusOnException which automatically sets the activity status to Error when exception happened. (#1858 #1875)

  • Added ForceFlush to TracerProvider. (#1837)

  • Added a TracerProviderBuilder extension method called AddLegacySource which is used by instrumentation libraries that use DiagnosticSource to get activities processed without ActivitySourceAdapter. #1836 #1860

  • Added new constructor with optional parameters to allow customization of ParentBasedSampler behavior. (#1727)

  • The application base directory is now tested after the current directory when searching for the self diagnostic configuration file. (#1865)

  • Resource Attributes now accept primitive arrays as values. (#1852)

  • Fixed #1846: ParentBasedSampler will no longer explicitly consider Activity links. (#1851)

  • Added IncludeScopes, IncludeFormattedMessage, & ParseStateValues on OpenTelemetryLoggerOptions. Added FormattedMessage, StateValues, & ForEachScope on LogRecord. (#1869 & #1883)

  • Added SetResourceBuilder support to OpenTelemetryLoggerOptions. (#1913)

  • Added IDeferredTracerProviderBuilder and TracerProviderBuilderBase to support dependency injection through OpenTelemetry.Extensions.Hosting. (#1889)

1.0.1

Released 2021-Feb-10

1.0.0-rc4

Released 2021-Feb-09

1.0.0-rc3

Released 2021-Feb-04

  • Default Resource will now contain service.name instead of Telemetry SDK. (#1744)
  • Added GetDefaultResource() method to Provider. (#1768)

1.0.0-rc2

Released 2021-Jan-29

  • The following extension methods on ResourceBuilder has been moved from the OpenTelemetry namespace to the OpenTelemetry.Resources namespace: AddEnvironmentVariableDetector, AddAttributes, AddService, and AddTelemetrySdk. (#1576)
  • Metrics API/SDK support is in an experimental state and is not recommended for production use. All metric APIs have been marked with the Obsolete attribute. See #1501 for more information. (#1611)
  • Modified SimpleExportProcessor and BatchExportProcessor to abstract classes; Added SimpleActivityExportProcessor, SimpleLogRecordExportProcessor, BatchActivityExportProcessor, BatchLogRecordExportProcessor; Added the check for Activity.Recorded in SimpleActivityExportProcessor and BatchActivityExportProcessor (#1622)
  • Added check in ActivitySourceAdapter class for root activity if traceid is overridden by calling SetParentId (#1355)
  • Resource Attributes now accept int, short, and float as values, converting them to supported data types (long for int/short, double for float). For invalid attributes we now throw an exception instead of logging an error. (#1720)
  • Merging "this" resource with an "other" resource now prioritizes the "other" resource's attributes in a conflict. We've rectified to follow a recent change to the spec. We previously prioritized "this" resource's tags. (#1728)
  • BatchExportProcessor will now flush any remaining spans left in a Batch after the export operation has completed. (#1726)
  • Fixed a bug to allow the Self Diagnostics log file to be opened simutaneously by another process in read-only mode for .NET Framework. (#1693)
  • Metrics removed as it is not part 1.0.0 release. See issue #1501 for details on Metric release plans.
  • Fix Resource attribute telemetry.sdk.version to have correct file version.
  • Metrics removed as it is not part 1.0.0 release. See issue #1501 for details on Metric release plans.

1.0.0-rc1.1

Released 2020-Nov-17

  • Removed GetResource and SetResource Activity extension methods. Added GetResource extension method on BaseProvider (#1463)
  • Added ParentProvider property on BaseProcessor and BaseExporter classes. (#1463)
  • Resource is no longer added to observed Activity objects as a CustomProperty. (#1463)
  • Removed ReentrantExportProcessor as it is not required by spec. (#1496)
  • ActivitySourceAdapter supports setting ActivitySource for Activities created without ActivitySource. (#1515)
  • Implemented Shutdown for TracerProvider. (#1489)
  • Resources.CreateServiceResource has been removed in favor of the ResourceBuilder API. (#1533)
  • TracerProviderBuilder.SetResource has been changed to TracerProviderBuilder.SetResourceBuilder. (#1533)
  • By default TracerProvider will set a Resource containing Telemetry SDK details (#1533):
    • telemetry.sdk.name = opentelemetry
    • telemetry.sdk.language = dotnet
    • telemetry.sdk.version = [SDK version]
  • Resource constructor marked as internal, as ResourceBuilder is the recommended API to build resources. (#1566)
  • Changed BaseExportProcessor to have it override OnExport instead of OnEnd; Added check for ActivityTraceFlags to BaseExportProcessor OnEnd (#1574)

0.8.0-beta.1

Released 2020-Nov-5

  • TracerProviderBuilder API changes Renamed AddInstrumentation to AddDiagnosticSourceInstrumentation and made internal. Added AddInstrumentation (#1454)
  • DiagnosticSource subscription helper classes (DiagnosticSourceSubscriber, ListenerHandler,PropertyFetcher) are made internal.

0.7.0-beta.1

Released 2020-Oct-16

  • Changed ActivityExporter.OnShutdown, ActivityExporter.Shutdown, ActivityProcessor.OnShutdown and ActivityProcessor.Shutdown to return boolean value (#1282 #1285)
  • Renamed SamplingDecision options (NotRecord to Drop, Record to RecordOnly, and RecordAndSampled to RecordAndSample) (#1297)
  • Added ILogger/Microsoft.Extensions.Logging integration (#1308 #1315)
  • Changed exporter and processor to generic types (#1328):
    • ActivityExporter changed to BaseExporter<Activity>
    • ActivityProcessor changed to BaseProcessor<Activity>
    • BatchExportActivityProcessor changed to BatchExportProcessor<Activity>
    • ReentrantExportActivityProcessor changed to ReentrantExportProcessor<Activity>
    • SimpleExportActivityProcessor changed to SimpleExportProcessor<Activity>

0.6.0-beta.1

Released 2020-Sep-15

  • Fixes 953
  • Changes arising from DiagnosticSource changes (#1203)
  • PropertyFetcher is now public (#1232)
  • PropertyFetcher changed to PropertyFetcher<T> (#1238)

0.5.0-beta.2

Released 2020-08-28

  • Changed ActivityProcessor to implement IDisposable (#975)
  • Samplers now get the actual TraceId of the Activity to be created. (#1007)
  • Changed the default sampler from AlwaysOn to ParentOrElse(AlwaysOn) to match the spec (#1013)
  • Added SuppressInstrumentationScope API (#988 #1067)
  • Changed BroadcastActivityProcessor to FanOutActivityProcessor (#1015)
  • Changed TracerProviderBuilder and TracerProviderSdk design to simply the flow and usage (#1008 #1027 #1035)
  • Changed AddActivitySource to AddSource with params support (#1036)
  • Modified Sampler implementation to match the spec (#1037)
  • Refactored simple export and batch export APIs (#1078 #1081 #1083 #1085 #1087 #1094 #1113 #1127 #1129 #1135)
  • Changed MeterProviderBuilder and MeterProviderSdk design to simply the flow and usage (#1149)
  • Renamed ParentOrElseSampler to ParentBasedSampler (#1173)
  • Renamed ProbabilitySampler to TraceIdRatioBasedSampler (#1174)

0.4.0-beta.2

Released 2020-07-24

  • First beta release

0.3.0-beta

Released 2020-07-23

  • Initial release