v0.23.0

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0.23.0 - 2023-05-22

Changed

• Upgrade OTel to version 1.16.0/0.39.0. (#​170)

v0.22.0

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0.22.0 - 2023-04-28

⚠️ Notice ⚠️

The minimum supported Go version is 1.19.

Changed

• Upgrade OTel to version 1.15.0/0.38.0. (#​163)

Removed

• Support for Go 1.18. Support is now only for Go 1.19 and Go 1.20. (#​164)

v1.16.0: /v0.39.0 -- Stable Metric API

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This release contains the first stable release of the OpenTelemetry Go metric API. Our project stability guarantees now apply to the go.opentelemetry.io/otel/metric package. See our versioning policy for more information about these stability guarantees.

What's Changed

Added

• The go.opentelemetry.io/otel/semconv/v1.19.0 package. The package contains semantic conventions from the v1.19.0 version of the OpenTelemetry specification. (#​3848)
• The go.opentelemetry.io/otel/semconv/v1.20.0 package. The package contains semantic conventions from the v1.20.0 version of the OpenTelemetry specification. (#​4078)

Changed

• Use strings.Cut() instead of string.SplitN() for better readability and memory use. (#​4049)

Removed

• The deprecated go.opentelemetry.io/otel/metric/instrument package is removed. Use go.opentelemetry.io/otel/metric instead. (#​4055)

Fixed

• Fix build for BSD based systems in go.opentelemetry.io/otel/sdk/resource. (#​4077)

New Contributors

• @​tsloughter made their first contribution in https://github.com/open-telemetry/opentelemetry-go/pull/3848
• @​Tijmen34 made their first contribution in https://github.com/open-telemetry/opentelemetry-go/pull/4074
• @​ChillOrb made their first contribution in https://github.com/open-telemetry/opentelemetry-go/pull/3677
• @​ChenX1993 made their first contribution in https://github.com/open-telemetry/opentelemetry-go/pull/4043
• @​andrew-womeldorf made their first contribution in https://github.com/open-telemetry/opentelemetry-go/pull/4086

Full Changelog: open-telemetry/opentelemetry-go@v1.15.1...v1.16.0

v1.15.1: /v0.38.1

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What's Changed

Fixed

• Remove unused imports from sdk/resource/host_id_bsd.go which caused build failures. (#​4040, #​4041)

New Contributors

• @​Achooo made their first contribution in https://github.com/open-telemetry/opentelemetry-go/pull/4041

Full Changelog: open-telemetry/opentelemetry-go@v1.15.0...v1.15.1

v1.15.0: /v0.38.0

Compare Source

Added

• The go.opentelemetry.io/otel/metric/embedded package. (#​3916)
• The Version function to go.opentelemetry.io/otel/sdk to return the SDK version. (#​3949)
• Add a WithNamespace option to go.opentelemetry.io/otel/exporters/prometheus to allow users to prefix metrics with a namespace. (#​3970)
• The following configuration types were added to go.opentelemetry.io/otel/metric/instrument to be used in the configuration of measurement methods. (#​3971)
  • The AddConfig used to hold configuration for addition measurements
    • NewAddConfig used to create a new AddConfig
    • AddOption used to configure an AddConfig
  • The RecordConfig used to hold configuration for recorded measurements
    • NewRecordConfig used to create a new RecordConfig
    • RecordOption used to configure a RecordConfig
  • The ObserveConfig used to hold configuration for observed measurements
    • NewObserveConfig used to create a new ObserveConfig
    • ObserveOption used to configure an ObserveConfig
• WithAttributeSet and WithAttributes are added to go.opentelemetry.io/otel/metric/instrument. They return an option used during a measurement that defines the attribute Set associated with the measurement. (#​3971)
• The Version function to go.opentelemetry.io/otel/exporters/otlp/otlpmetric to return the OTLP metrics client version. (#​3956)
• The Version function to go.opentelemetry.io/otel/exporters/otlp/otlptrace to return the OTLP trace client version. (#​3956)

Changed

• The Extrema in go.opentelemetry.io/otel/sdk/metric/metricdata is redefined with a generic argument of [N int64 | float64]. (#​3870)
• Update all exported interfaces from go.opentelemetry.io/otel/metric to embed their corresponding interface from go.opentelemetry.io/otel/metric/embedded. This adds an implementation requirement to set the interface default behavior for unimplemented methods. (#​3916)
• Move No-Op implementation from go.opentelemetry.io/otel/metric into its own package go.opentelemetry.io/otel/metric/noop. (#​3941)
  • metric.NewNoopMeterProvider is replaced with noop.NewMeterProvider
• Add all the methods from "go.opentelemetry.io/otel/trace".SpanContext to bridgeSpanContext by embedding otel.SpanContext in bridgeSpanContext. (#​3966)
• Wrap UploadMetrics error in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/ to improve error message when encountering generic grpc errors. (#​3974)
• The measurement methods for all instruments in go.opentelemetry.io/otel/metric/instrument accept an option instead of the variadic "go.opentelemetry.io/otel/attribute".KeyValue. (#​3971)
  • The Int64Counter.Add method now accepts ...AddOption
  • The Float64Counter.Add method now accepts ...AddOption
  • The Int64UpDownCounter.Add method now accepts ...AddOption
  • The Float64UpDownCounter.Add method now accepts ...AddOption
  • The Int64Histogram.Record method now accepts ...RecordOption
  • The Float64Histogram.Record method now accepts ...RecordOption
  • The Int64Observer.Observe method now accepts ...ObserveOption
  • The Float64Observer.Observe method now accepts ...ObserveOption
• The Observer methods in go.opentelemetry.io/otel/metric accept an option instead of the variadic "go.opentelemetry.io/otel/attribute".KeyValue. (#​3971)
  • The Observer.ObserveInt64 method now accepts ...ObserveOption
  • The Observer.ObserveFloat64 method now accepts ...ObserveOption
• Move global metric back to go.opentelemetry.io/otel/metric/global from go.opentelemetry.io/otel. (#​3986)

Fixed

• TracerProvider allows calling Tracer() while it's shutting down. It used to deadlock. (#​3924)
• Use the SDK version for the Telemetry SDK resource detector in go.opentelemetry.io/otel/sdk/resource. (#​3949)
• Fix a data race in SpanProcessor returned by NewSimpleSpanProcessor in go.opentelemetry.io/otel/sdk/trace. (#​3951)
• Automatically figure out the default aggregation with aggregation.Default. (#​3967)

Deprecated

• The go.opentelemetry.io/otel/metric/instrument package is deprecated. Use the equivalent types added to go.opentelemetry.io/otel/metric instead. (#​4018)