core-1.15.0
For highlights and announcements pertaining to this release see: Release Notes > 1.15.0.
The following changes are from the previous release 1.14.0.
-
NuGet: OpenTelemetry v1.15.0
-
Added support for the
OTEL_SDK_DISABLEDenvironment variable in TracerProvider, MeterProvider, and LoggerProvider. WhenOTEL_SDK_DISABLED=true, the SDK returns no-op implementations for all telemetry signals. TheOTEL_SDK_DISABLEDenvironment variable is only evaluated upon application startup, later changes have no effect. (#6568) -
Added
LowMemorytemporality as an option in the OTLP metrics exporter. (#6648) -
Added support for
Meter.TelemetrySchemaUrlproperty. (#6714) -
Improve performance and reduce memory consumption for metrics histograms. (#6715)
-
Decode
valuein OTEL_RESOURCE_ATTRIBUTES environment variable. (#6737)
See CHANGELOG for details.
-
-
NuGet: OpenTelemetry.Api v1.15.0
- Added a new overload for
TracerProvider.GetTracerwhich accepts an optionalstring? schemaUrlparameter, allowing a schema URL to be set on theTracer. (#6736)
See CHANGELOG for details.
- Added a new overload for
-
NuGet: OpenTelemetry.Api.ProviderBuilderExtensions v1.15.0
No notable changes.
See CHANGELOG for details.
-
NuGet: OpenTelemetry.Exporter.Console v1.15.0
-
Added support for
ActivitySource.TelemetrySchemaUrlproperty. (#6713) -
Added support for
Meter.TelemetrySchemaUrlproperty. (#6714)
See CHANGELOG for details.
-
-
NuGet: OpenTelemetry.Exporter.InMemory v1.15.0
- Added support for
Meter.TelemetrySchemaUrlproperty. (#6714)
See CHANGELOG for details.
- Added support for
-
NuGet: OpenTelemetry.Exporter.OpenTelemetryProtocol v1.15.0
-
Added mTLS configuration support for the OTLP exporter (client cert/key and CA certificate options). (#6343)
-
Added
UserAgentProductIdentifierproperty toOtlpExporterOptionsto allow custom product identifiers to be prepended to the User-Agent header. When set, the custom identifier is prepended with a space separator to the default User-Agent string (e.g.,MyApp/1.0 OTel-OTLP-Exporter-Dotnet/1.14.0). (#6686) -
Added support for
ActivitySource.TelemetrySchemaUrlproperty. (#6730) -
Added support for
Meter.TelemetrySchemaUrlproperty. (#6731) -
Fix
NullReferenceExceptionwhen no bucket boundaries configured for a view. (#6773)
-
-
NuGet: OpenTelemetry.Exporter.Zipkin v1.15.0
- This package is deprecated and it will stop receiving any updates in
December 2026. Zipkin already supports OTLP ingestion. Change your exporter
to
OpenTelemetry.Exporter.OpenTelemetryProtocolas stated in the Deprecating Zipkin Exporter blog post. (#6750)
See CHANGELOG for details.
- This package is deprecated and it will stop receiving any updates in
December 2026. Zipkin already supports OTLP ingestion. Change your exporter
to
-
NuGet: OpenTelemetry.Extensions.Hosting v1.15.0
No notable changes.
See CHANGELOG for details.
-
NuGet: OpenTelemetry.Extensions.Propagators v1.15.0
- Deprecated
JaegerPropagator. It will be removed in a future version. (#6819)
See CHANGELOG for details.
- Deprecated