Release v1.26.0/v0.51.0/v0.20.0/v0.6.0/v0.1.0

Added

• NewSDK in go.opentelemetry.io/contrib/config now returns a configured SDK with a valid MeterProvider. (#4804)

Changed

• Change the scope name for the prometheus bridge to go.opentelemetry.io/contrib/bridges/prometheus to match the package. (#5396)

Fixed

• Fix bug where an empty exemplar was added to counters in go.opentelemetry.io/contrib/bridges/prometheus. (#5395)
• Fix bug where the last histogram bucket was missing in go.opentelemetry.io/contrib/bridges/prometheus. (#5395)

Full Changelog: v1.25.0...v1.26.0

Release v1.25.0/v0.50.0/v0.19.0/v0.5.0/v0.0.1

Added

• Implemented setting the cloud.resource_id resource attribute in go.opentelemetry.io/detectors/aws/ecs based on the ECS Metadata v4 endpoint. (#5091)
• The go.opentelemetry.io/contrib/bridges/otelslog module. This module provides an OpenTelemetry logging bridge for "log/slog". (#5335)

Fixed

• Update all dependencies to address [GO-2024-2687]. (#5359)

Removed

• Drop support for Go 1.20. (#5163)

Full Changelog: v1.24.0...v1.25.0

Release v1.24.0/v0.49.0/v0.18.0/v0.4.0

This release is the last to support Go 1.20. The next release will require at least Go 1.21.

Added

• Support Go 1.22. (#5082)
• Add support for Summary metrics to go.opentelemetry.io/contrib/bridges/prometheus. (#5089)
• Add support for Exponential (native) Histograms in go.opentelemetry.io/contrib/bridges/prometheus. (#5093)

Removed

• The deprecated RequestCount constant in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is removed. (#4894)
• The deprecated RequestContentLength constant in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is removed. (#4894)
• The deprecated ResponseContentLength constant in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is removed. (#4894)
• The deprecated ServerLatency constant in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is removed. (#4894)

Fixed

• Retrieving the body bytes count in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp does not cause a data race anymore. (#5080)

New Contributors

• @arvindbr8 made their first contribution in #4897
• @wushujames made their first contribution in #5135

Full Changelog: v1.23.0...v1.24.0

Release v1.23.0/v0.48.0/v0.17.0/v0.3.0

Added

• Add client metric support to go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (#4707)
• Add peer attributes to spans recorded by NewClientHandler, NewServerHandler in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (#4873)
• Add support for cloud.account.id, cloud.availability_zone and cloud.region in the AWS ECS detector. (#4860)

Changed

• The fallback options in go.opentelemetry.io/contrib/exporters/autoexport now accept factory functions. (#4891)
  • WithFallbackMetricReader(metric.Reader) MetricOption is replaced with func WithFallbackMetricReader(func(context.Context) (metric.Reader, error)) MetricOption.
  • WithFallbackSpanExporter(trace.SpanExporter) SpanOption is replaced with WithFallbackSpanExporter(func(context.Context) (trace.SpanExporter, error)) SpanOption.
• The http.server.request_content_length metric in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is changed to http.server.request.size.(#4707)
• The http.server.response_content_length metric in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is changed to http.server.response.size.(#4707)

Deprecated

• The RequestCount, RequestContentLength, ResponseContentLength, ServerLatency constants in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp are deprecated. (#4707)

Fixed

• Do not panic in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc if MeterProvider returns a nil instrument. (#4875)

New Contributors

• @acpana made their first contribution in #4831
• @hiroyaonoe made their first contribution in #4704
• @hcelaloner made their first contribution in #4891

Full Changelog: v1.22.0...v1.23.0

Release 1.22.0/0.47.0/0.16.0/0.2.0

Added

• Add SDK.Shutdown method in "go.opentelemetry.io/contrib/config". (#4583)
• NewSDK in go.opentelemetry.io/contrib/config now returns a configured SDK with a valid TracerProvider. (#4741)

Changed

• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/github.com/emicklei/go-restful/otelrestful are upgraded to v1.20.0. (#4320)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin are upgraded to v1.20.0. (#4320)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux are upgraded to v1.20.0. (#4320)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho are upgraded to v1.20.0. (#4320)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/gopkg.in/macaron.v1/otelmacaron are upgraded to v1.20.0. (#4320)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace are upgraded to v1.20.0. (#4320)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace/example are upgraded to v1.20.0. (#4320)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/example are upgraded to v1.20.0. (#4320)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/net/http/otelhttpare upgraded to v1.20.0. (#4320)
• Updated configuration schema to include schema_url for resource definition and without_type_suffix and without_units for the Prometheus exporter. (#4727)
• The semantic conventions used by the go.opentelemetry.io/contrib/detectors/aws/ecs resource detector are upgraded to v1.24.0. (#4803)
• The semantic conventions used by the go.opentelemetry.io/contrib/detectors/aws/lambda resource detector are upgraded to v1.24.0. (#4803)
• The semantic conventions used by the go.opentelemetry.io/contrib/detectors/aws/ec2 resource detector are upgraded to v1.24.0. (#4803)
• The semantic conventions used by the go.opentelemetry.io/contrib/detectors/aws/eks resource detector are upgraded to v1.24.0. (#4803)
• The semantic conventions used by the go.opentelemetry.io/contrib/detectors/gcp resource detector are upgraded to v1.24.0. (#4803)
• The semantic conventions used in go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-lambda-go/otellambda/test are upgraded to v1.24.0. (#4803)

Fixed

• Fix NewServerHandler in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc to correctly set the span status depending on the gRPC status. (#4587)
• The stats.Handler from go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc now does not crash when receiving an unexpected context. (#4825)
• Update go.opentelemetry.io/contrib/detectors/aws/ecs to fix the task ARN when it is not valid. (#3583)
• Do not panic in go.opentelemetry.io/contrib/detectors/aws/ecs when the container ARN is not valid. (#3583)

Release v1.21.1/v0.46.1/v0.15.1/v0.1.1

Changed

• Upgrade dependencies of OpenTelemetry Go to use the new v1.21.0/v0.44.0 release. (#4582)

Fixed

• Fix StreamClientInterceptor in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc to end the spans synchronously. (#4537)
• Fix data race in stats handlers when processing messages received and sent metrics in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (#4577)
• The stats handlers NewClientHandler, NewServerHandler in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc now record RPC durations in ms instead of ns. (#4548)

Release v1.21.0/v0.46.0/v0.15.0/v0.1.0

Added

• Add the new go.opentelemetry.io/contrib/instrgen package to provide auto-generated source code instrumentation. (#3068, #3108)
• Add "go.opentelemetry.io/contrib/samplers/jaegerremote".WithSamplingStrategyFetcher which sets custom fetcher implementation. (#4045)
• Add "go.opentelemetry.io/contrib/config" package that includes configuration models generated via go-jsonschema. (#4376)
• Add NewSDK function to "go.opentelemetry.io/contrib/config". The initial implementation only returns noop providers. (#4414)
• Add metrics support (No-op, OTLP and Prometheus) to go.opentelemetry.io/contrib/exporters/autoexport. (#4229, #4479)
• Add support for console span exporter and metrics exporter in go.opentelemetry.io/contrib/exporters/autoexport. (#4486)
• Set unit and description on all instruments in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (#4500)
• Add metric support for grpc.StatsHandler in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (#4356)
• Expose the name of the scopes in all instrumentation libraries as ScopeName. (#4448)

Changed

• Dropped compatibility testing for [Go 1.19].
  The project no longer guarantees support for this version of Go. (#4352)
• Upgrade dependencies of OpenTelemetry Go to use the new v1.20.0/v0.43.0 release. (#4546)
• In go.opentelemetry.io/contrib/exporters/autoexport, Option was renamed to SpanOption. The old name is deprecated but continues to be supported as an alias. (#4229)

Deprecated

• The interceptors (UnaryClientInterceptor, StreamClientInterceptor, UnaryServerInterceptor, StreamServerInterceptor, WithInterceptorFilter) are deprecated. Use stats handlers (NewClientHandler, NewServerHandler) instead. (#4534)

Fixed

• The go.opentelemetry.io/contrib/samplers/jaegerremote sampler does not panic when the default HTTP round-tripper (http.DefaultTransport) is not *http.Transport. (#4045)
• The UnaryServerInterceptor in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc now sets gRPC status code correctly for the rpc.server.duration metric. (#4481)
• The NewClientHandler, NewServerHandler in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc now honor otelgrpc.WithMessageEvents options. (#4536)
• The net.sock.peer.* and net.peer.* high cardinality attributes are removed from the metrics generated by go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (#4322)

Release v1.20.0/v0.45.0/v0.14.0

Added

• Set the description for the rpc.server.duration metric in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (#4302)
• Add NewServerHandler and NewClientHandler that return a grpc.StatsHandler used for gRPC instrumentation in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (#3002)
• Add new Prometheus bridge module in go.opentelemetry.io/contrib/bridges/prometheus. (#4227)

Changed

• Upgrade dependencies of OpenTelemetry Go to use the new v1.19.0/v0.42.0/v0.0.7 release.
• Use grpc.StatsHandler for gRPC instrumentation in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/example. (#4325)

New Contributors

• @puckpuck made their first contribution in #4302

Full Changelog: v1.19.0...v1.20.0

Release v1.19.0/v0.44.0/v0.13.0

Added

• Add gcp.gce.instance.name and gcp.gce.instance.hostname resource attributes to go.opentelemetry.io/contrib/detectors/gcp. (#4263)

Changed

• The semantic conventions used by go.opentelemetry.io/contrib/detectors/aws/ec2 have been upgraded to v1.21.0. (#4265)
• The semantic conventions used by go.opentelemetry.io/contrib/detectors/aws/ecs have been upgraded to v1.21.0. (#4265)
• The semantic conventions used by go.opentelemetry.io/contrib/detectors/aws/eks have been upgraded to v1.21.0. (#4265)
• The semantic conventions used by go.opentelemetry.io/contrib/detectors/aws/lambda have been upgraded to v1.21.0. (#4265)
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-lambda-go/otellambda have been upgraded to v1.21.0. (#4265)
  • The faas.execution attribute is now faas.invocation_id.
  • The faas.id attribute is now aws.lambda.invoked_arn.
• The semantic conventions used by go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-sdk-go-v2/otelaws have been upgraded to v1.21.0. (#4265)
• The http.request.method attribute will only allow known HTTP methods from the metrics generated by go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (#4277)

Removed

• The high cardinality attributes net.sock.peer.addr, net.sock.peer.port, http.user_agent, enduser.id, and http.client_ip were removed from the metrics generated by go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (#4277)
• The deprecated go.opentelemetry.io/contrib/instrumentation/github.com/astaxie/beego/otelbeego module is removed. (#4295)
• The deprecated go.opentelemetry.io/contrib/instrumentation/github.com/go-kit/kit/otelkit module is removed. (#4295)
• The deprecated go.opentelemetry.io/contrib/instrumentation/github.com/Shopify/sarama/otelsarama module is removed. (#4295)
• The deprecated go.opentelemetry.io/contrib/instrumentation/github.com/bradfitz/gomemcache/memcache/otelmemcache module is removed. (#4295)
• The deprecated go.opentelemetry.io/contrib/instrumentation/github.com/gocql/gocql/otelgocql module is removed. (#4295)

New Contributors

• @utsushiiro made their first contribution in #4260
• @RangelReale made their first contribution in #4230

Full Changelog: v1.18.0...v1.19.0

Release v1.18.0/v0.43.0/v0.12.0

Added

• Add NewMiddleware function in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (#2964)
• The go.opentelemetry.io/contrib/exporters/autoexport package to provide configuration of trace exporters with useful defaults and environment variable support. (#2753, #4100, #4130, #4132, #4134)
• WithRouteTag in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp adds HTTP route attribute to metrics. (#615)
• Add WithSpanOptions option in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (#3768)
• Add testing support for Go 1.21. (#4233)

Changed

• Change interceptors in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc to disable SENT/RECEIVED events.
  Use WithMessageEvents() to turn back on. (#3964)

Fixed

• AWS XRay Remote Sampling to cap quotaBalance to 1x quota in go.opentelemetry.io/contrib/samplers/aws/xray. (#3651, #3652)
• Do not panic when the HTTP request has the "Expect: 100-continue" header in go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace. (#3892)
• Fix span status value set for non-standard HTTP status codes in modules listed below. (#3966)
  • go.opentelemetry.io/contrib/instrumentation/github.com/emicklei/go-restful/otelrestful
  • go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin
  • go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux
  • go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho
  • go.opentelemetry.io/contrib/instrumentation/gopkg.in/macaron.v1/otelmacaron
  • go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace
  • go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
• Do not modify the origin request in RoundTripper in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (#4033)
• Handle empty value of OTEL_PROPAGATORS environment variable the same way as when the variable is unset in go.opentelemetry.io/contrib/propagators/autoprop. (#4101)
• Fix gRPC service/method URL path parsing discrepancies in go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc. (#4135)

Deprecated

• The go.opentelemetry.io/contrib/instrumentation/github.com/astaxie/beego/otelbeego module is deprecated. (#4092, #4104)
• The go.opentelemetry.io/contrib/instrumentation/github.com/go-kit/kit/otelkit module is deprecated. (#4093, #4104)
• The go.opentelemetry.io/contrib/instrumentation/github.com/Shopify/sarama/otelsarama module is deprecated. (#4099)

Removed

• Remove Handler type in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp. (#2964)

New Contributors

• @alnr made their first contribution in #2964
• @Alkorin made their first contribution in #3892
• @Baliedge made their first contribution in #3964
• @gastonqiu made their first contribution in #4033
• @charleskorn made their first contribution in #615

Full Changelog: v1.17.0...v1.18.0