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Bump the opentelemetry-testing group with 6 updates - #1937

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Bump the opentelemetry-testing group with 6 updates#1937
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dependabot/nuget/opentelemetry-testing-47383099e5

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@dependabot dependabot Bot commented on behalf of github Oct 19, 2026

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Updated OpenTelemetry from 1.17.0 to 1.20.0.

Release notes

Sourced from OpenTelemetry's releases.

1.20.0

For highlights and announcements pertaining to this release see: Release Notes > 1.20.0.

The following changes are from the previous release 1.19.1.

  • NuGet: OpenTelemetry v1.20.0

    • Fixed SuppressInstrumentationScope reference counts leaking between inherited asynchronous execution contexts.
      (#​7803)

    • Self-diagnostic features are explicitly disabled on browser-based platforms (e.g. Blazor) and are now non-functional. Previously, attempting to enable self-diagnostics on such platforms would result in an exception at runtime.
      (#​7799)

    • Added TracerProviderBuilder.ConfigureSampler which receives the resolved Sampler whether set programmatically, via OTEL_TRACES_SAMPLER, or by default, and returns a replacement. Intended for library authors who need to influence sampling without overriding a sampler the application has configured.
      (#​7780)

    • Fixed ResourceBuilder.CreateDefault ignoring OTEL_RESOURCE_ATTRIBUTES and OTEL_SERVICE_NAME environment variables when the host IConfiguration does not contain those settings.
      (#​7855)

    • Added improved self-diagnostics logging to improve the support experience. The new SelfDiagnosticsOptions class configures a rolling file sink and a console sink through the standard options pipeline. Sinks are off by default.
      (#​7588)

    • Fixed a race that could incorrectly route a concurrent metric measurement to the overflow point when its tag set was published as the cardinality limit was reached.
      (#​7804)

    • Added OpenTelemetryLoggerOptions.Version and OpenTelemetryLoggerOptions.SchemaUrl options to set an instrumentation library version and schema URL applied to logs emitted via the Microsoft.Extensions.Logging ILogger integration.
      (#​7727)

    • Fixed LogRecord.CategoryName resetting the current Logger's Version to null when set to a new value.
      (#​7727)

    • Bounded the internal cache of Logger scopes keyed by instrumentation to avoid unbounded growth.
      (#​7727)

    • Fixed the MeterProvider and its IServiceProvider being kept alive after the host is disposed when using Microsoft.Extensions.Diagnostics versions prior to 9.0, which never dispose their MetricsSubscriptionManager (and its underlying MeterListener).
      (#​7924)

    • Fixed a race condition between recording a measurement and collecting a histogram with delta temporality that could cause an empty data point (with a count of zero) to be exported in the next collection cycle.
      (#​7923)

    • Improved metric collection performance after metric streams are removed by compacting metric storage during collection.
      (#​7945)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.20.0

    • Added Logger.SchemaUrl and a LoggerProvider.GetLogger overload accepting a schema URL parameter using the new LoggerOptions type.
      (#​7727)

    • Breaking change (pre-release only versions): LoggerProvider's protected TryCreateLogger(string? name, out Logger? logger) extensibility method has been replaced by TryCreateLogger(LoggerOptions options, out Logger? logger). Custom LoggerProvider subclasses that override the previous overload must update to override the new one; the old overload is no longer called.
      ... (truncated)

1.20.0-rc.1

The following changes are from the previous release 1.19.1.

  • NuGet: OpenTelemetry v1.20.0-rc.1

    • Fixed SuppressInstrumentationScope reference counts leaking between inherited asynchronous execution contexts.
      (#​7803)

    • Self-diagnostic features are explicitly disabled on browser-based platforms (e.g. Blazor) and are now non-functional. Previously, attempting to enable self-diagnostics on such platforms would result in an exception at runtime.
      (#​7799)

    • Added TracerProviderBuilder.ConfigureSampler which receives the resolved Sampler whether set programmatically, via OTEL_TRACES_SAMPLER, or by default, and returns a replacement. Intended for library authors who need to influence sampling without overriding a sampler the application has configured.
      (#​7780)

    • Fixed ResourceBuilder.CreateDefault ignoring OTEL_RESOURCE_ATTRIBUTES and OTEL_SERVICE_NAME environment variables when the host IConfiguration does not contain those settings.
      (#​7855)

    • Added improved self-diagnostics logging to improve the support experience. The new SelfDiagnosticsOptions class configures a rolling file sink and a console sink through the standard options pipeline. Sinks are off by default.
      (#​7588)

    • Fixed a race that could incorrectly route a concurrent metric measurement to the overflow point when its tag set was published as the cardinality limit was reached.
      (#​7804)

    • Added OpenTelemetryLoggerOptions.Version and OpenTelemetryLoggerOptions.SchemaUrl options to set an instrumentation library version and schema URL applied to logs emitted via the Microsoft.Extensions.Logging ILogger integration.
      (#​7727)

    • Fixed LogRecord.CategoryName resetting the current Logger's Version to null when set to a new value.
      (#​7727)

    • Bounded the internal cache of Logger scopes keyed by instrumentation to avoid unbounded growth.
      (#​7727)

    • Fixed the MeterProvider and its IServiceProvider being kept alive after the host is disposed when using Microsoft.Extensions.Diagnostics versions prior to 9.0, which never dispose their MetricsSubscriptionManager (and its underlying MeterListener).
      (#​7924)

    • Fixed a race condition between recording a measurement and collecting a histogram with delta temporality that could cause an empty data point (with a count of zero) to be exported in the next collection cycle.
      (#​7923)

    • Improved metric collection performance after metric streams are removed by compacting metric storage during collection.
      (#​7945)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.20.0-rc.1

    • Added Logger.SchemaUrl and a LoggerProvider.GetLogger overload accepting a schema URL parameter using the new LoggerOptions type.
      (#​7727)

    • Breaking change (pre-release only versions): LoggerProvider's protected TryCreateLogger(string? name, out Logger? logger) extensibility method has been replaced by TryCreateLogger(LoggerOptions options, out Logger? logger). Custom LoggerProvider subclasses that override the previous overload must update to override the new one; the old overload is no longer called.
      (#​7727)

... (truncated)

1.20.0-beta.1

The following changes are from the previous release 1.19.1-beta.1.

1.19.1

For highlights and announcements pertaining to this release see: Release Notes > 1.19.1.

The following changes are from the previous release 1.19.0.

1.19.1-rc.1

The following changes are from the previous release 1.19.0.

1.19.1-beta.1

The following changes are from the previous release 1.19.0-beta.1.

1.19.0

For highlights and announcements pertaining to this release see: Release Notes > 1.19.0.

The following changes are from the previous release 1.18.0.

  • NuGet: OpenTelemetry v1.19.0

    • Added Schema URL to internally created Resource instances.
      (#​7726)

    • Reduced allocations when formatting self-diagnostics events with up to three parameters.
      (#​7730)

    • Added AlwaysRecordSampler.
      (#​7695)

    • Fixed CircularBufferBuckets so the first delta histogram insertion after a reset does not result in an unnecessary scale reduction.
      (#​7749)

    • Improved wildcard source/meter name matching to avoid excessive matching time at runtime.
      (#​7760)

    • Fixed lazy logger provider builds after a failure from reusing partially initialized provider state.
      (#​7761)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.19.0

    • Reduced allocations when creating log record attributes from an array.
      (#​7699)

    • Reduced allocations when setting baggage through the params overload.
      (#​7697)

    • Reduced allocations when constructing SpanAttributes from an array.
      (#​7698)

    • Fixed parsing of an inbound tracestate header whose member value trimmed to an empty value that previously threw an IndexOutOfRangeException internally and could silently truncate the tracestate.
      (#​7756)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api.ProviderBuilderExtensions v1.19.0

    No notable changes.

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Exporter.Console v1.19.0

... (truncated)

1.19.0-rc.1

The following changes are from the previous release 1.18.0.

  • NuGet: OpenTelemetry v1.19.0-rc.1

    • Added Schema URL to internally created Resource instances.
      (#​7726)

    • Reduced allocations when formatting self-diagnostics events with up to three parameters.
      (#​7730)

    • Added AlwaysRecordSampler.
      (#​7695)

    • Fixed CircularBufferBuckets so the first delta histogram insertion after a reset does not result in an unnecessary scale reduction.
      (#​7749)

    • Improved wildcard source/meter name matching to avoid excessive matching time at runtime.
      (#​7760)

    • Fixed lazy logger provider builds after a failure from reusing partially initialized provider state.
      (#​7761)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.19.0-rc.1

    • Reduced allocations when creating log record attributes from an array.
      (#​7699)

    • Reduced allocations when setting baggage through the params overload.
      (#​7697)

    • Reduced allocations when constructing SpanAttributes from an array.
      (#​7698)

    • Fixed parsing of an inbound tracestate header whose member value trimmed to an empty value that previously threw an IndexOutOfRangeException internally and could silently truncate the tracestate.
      (#​7756)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api.ProviderBuilderExtensions v1.19.0-rc.1

    No notable changes.

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Exporter.Console v1.19.0-rc.1

    • Extended key/value list attribute handling to cover additional dictionary shapes (IEnumerable<KeyValuePair<string, string?>> and IDictionary). These attributes will be serialized as JSON objects.
      (#​7679)
      ... (truncated)

1.19.0-beta.1

The following changes are from the previous release 1.18.0-beta.1.

  • NuGet: OpenTelemetry.Exporter.Prometheus.AspNetCore v1.19.0-beta.1

    • Breaking Change The PrometheusTranslationStrategy enum was renamed to PrometheusAspNetCoreTranslationStrategy.
      (#​7751)

    • Fixed OpenMetrics _created series being emitted for metric points with a default start time.
      (#​7754)

    • Prometheus text/OpenMetrics escaping of label values, label names and help text is now more efficient.
      (#​7758)

    • A scrape request whose connection is aborted, or whose X-Prometheus-Scrape-Timeout-Seconds deadline elapses, now stops waiting for an in-progress metrics collection instead of continuing to wait for it to finish. The collection itself is not cancelled and continues running in the background.
      (#​7757)

    • Updated OpenTelemetry core component version(s) to 1.19.0.
      (#​7785)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Exporter.Prometheus.HttpListener v1.19.0-beta.1

    • Breaking Change The PrometheusTranslationStrategy enum was renamed to PrometheusHttpListenerTranslationStrategy.
      (#​7751)

    • Fixed OpenMetrics _created series being emitted for metric points with a default start time.
      (#​7754)

    • Prometheus text/OpenMetrics escaping of label values, label names and help text is now more efficient.
      (#​7758)

    • Added PrometheusHttpListenerOptions.ScrapeResponseTimeoutMilliseconds (default 60000) which bounds how long a scrape request waits for its response. X-Prometheus-Scrape-Timeout-Seconds request header values may only shorten this limit. The limit bounds the request's wait only: a metrics collection already running when it is reached is not cancelled and continues running in the background.
      (#​7757)

    • Updated OpenTelemetry core component version(s) to 1.19.0.
      (#​7785)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Shims.OpenTracing v1.19.0-beta.1

    • Updated OpenTelemetry core component version(s) to 1.19.0.
      (#​7785)

    See CHANGELOG for details.

1.18.0

For highlights and announcements pertaining to this release see: Release Notes > 1.18.0.

The following changes are from the previous release 1.17.0.

  • NuGet: OpenTelemetry v1.18.0

    • Fixed self-diagnostics log lines being silently dropped when an event message or parameter contained enough 3-byte UTF-8 characters to overflow the internal buffer estimate. Such content is now truncated.
      (#​7543)

    • Fixed activity creation throwing when multiple tracer providers return a sampler attribute with the same key.
      (#​7558)

    • Added the otel.sdk.processor.log.processed SDK self-observability metric.
      (#​7486)

    • Added the otel.sdk.processor.span.processed SDK self-observability metric.
      (#​7598)

    • BatchActivityExportProcessor and SimpleActivityExportProcessor no longer forward spans to the exporter once Shutdown has been called, and BatchActivityExportProcessor.Shutdown now waits for in-flight OnEnd calls to finish enqueueing before flushing.
      (#​7598)

    • Fix logger, meter and tracer providers leaking background threads if an exception is thrown by their constructor after resource creation.
      (#​7615)

    • CircularBufferBuckets.Copy optimized to use bulk array copies.
      (#​7670)

    • Restored configured MaxScale after delta exponential histogram collection.
      (#​7671)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.18.0

    • Avoid formatting exceptions and creating exception attributes when RecordException is called on a span that is not recorded.
      (#​7669)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api.ProviderBuilderExtensions v1.18.0

    No notable changes.

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Exporter.Console v1.18.0

    • Added support for serializing attribute values that are key/value lists (IEnumerable<KeyValuePair<string, object?>>). These attributes will be serialized as JSON objects.
      (#​7015)

... (truncated)

1.18.0-rc.1

The following changes are from the previous release 1.17.0.

  • NuGet: OpenTelemetry v1.18.0-rc.1

    • Fixed self-diagnostics log lines being silently dropped when an event message or parameter contained enough 3-byte UTF-8 characters to overflow the internal buffer estimate. Such content is now truncated.
      (#​7543)

    • Fixed activity creation throwing when multiple tracer providers return a sampler attribute with the same key.
      (#​7558)

    • Added the otel.sdk.processor.log.processed SDK self-observability metric.
      (#​7486)

    • Added the otel.sdk.processor.span.processed SDK self-observability metric.
      (#​7598)

    • BatchActivityExportProcessor and SimpleActivityExportProcessor no longer forward spans to the exporter once Shutdown has been called, and BatchActivityExportProcessor.Shutdown now waits for in-flight OnEnd calls to finish enqueueing before flushing.
      (#​7598)

    • Fix logger, meter and tracer providers leaking background threads if an exception is thrown by their constructor after resource creation.
      (#​7615)

    • CircularBufferBuckets.Copy optimized to use bulk array copies.
      (#​7670)

    • Restored configured MaxScale after delta exponential histogram collection.
      (#​7671)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.18.0-rc.1

    • Avoid formatting exceptions and creating exception attributes when RecordException is called on a span that is not recorded.
      (#​7669)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api.ProviderBuilderExtensions v1.18.0-rc.1

    No notable changes.

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Exporter.Console v1.18.0-rc.1

    • Added support for serializing attribute values that are key/value lists (IEnumerable<KeyValuePair<string, object?>>). These attributes will be serialized as JSON objects.
      (#​7015)

    See CHANGELOG for details.

... (truncated)

1.18.0-beta.1

The following changes are from the previous release 1.17.0-beta.1.

  • NuGet: OpenTelemetry.Exporter.Prometheus.AspNetCore v1.18.0-beta.1

    • Fix concurrent scrapes returning an empty response under contention. Now the exporter will return an HTTP 500 error instead.
      (#​7571)

    • Waiting for concurrent scrapes to finish before collecting no longer blocks, which could stall concurrent scrapes being waited on.
      (#​7571)

    • Fixed the interaction between PrometheusAspNetCoreOptions.TranslationStrategy and content negotiation. The configured strategy is now applied before content negotiation, instead of the negotiated escaping scheme replacing the strategy's, and the Content-Type header now reports the escaping scheme that was applied rather than the one that was negotiated.
      (#​7610)

    • Fixed metric values and histogram bucket bounds being written with 17 significant digits instead of their shortest round-trippable representation.
      (#​7589)

    • Fixed the canonical representation used for histogram le and summary quantile label values falling back to 17 significant digits incorrectly.
      (#​7589)

    • Fixed a race where a slow scrape could return an HTTP 200 instead of 408.
      (#​7615)

    • Updated OpenTelemetry core component version(s) to 1.18.0.
      (#​7674)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Exporter.Prometheus.HttpListener v1.18.0-beta.1

    • Fix concurrent scrapes returning an empty response under contention. Now the exporter will return an HTTP 500 error instead.
      (#​7571)

    • Waiting for concurrent scrapes to finish before collecting no longer blocks, which could stall concurrent scrapes being waited on.
      (#​7571)

    • A scrape which is still collecting when the listener is disposed now returns an HTTP 503 response.
      (#​7587)

    • Shutting down the listener no longer waits indefinitely for its request processing loop to stop, and no longer throws if the loop faulted.
      (#​7587)

    • Fixed the interaction between PrometheusHttpListenerOptions.TranslationStrategy and content negotiation. The configured strategy is now applied before content negotiation, instead of the negotiated escaping scheme replacing the strategy's, and the Content-Type header now reports the escaping scheme that was applied rather than the one that was negotiated.
      (#​7610)

    • Fixed metric values and histogram bucket bounds being written with 17 significant digits instead of their shortest round-trippable representation.
      (#​7589)

    • Fixed the canonical representation used for histogram le and summary quantile label values falling back to 17 significant digits incorrectly.
      (#​7589)

... (truncated)

Commits viewable in compare view.

Updated OpenTelemetry.Exporter.InMemory from 1.17.0 to 1.20.0.

Release notes

Sourced from OpenTelemetry.Exporter.InMemory's releases.

1.20.0

For highlights and announcements pertaining to this release see: Release Notes > 1.20.0.

The following changes are from the previous release 1.19.1.

  • NuGet: OpenTelemetry v1.20.0

    • Fixed SuppressInstrumentationScope reference counts leaking between inherited asynchronous execution contexts.
      (#​7803)

    • Self-diagnostic features are explicitly disabled on browser-based platforms (e.g. Blazor) and are now non-functional. Previously, attempting to enable self-diagnostics on such platforms would result in an exception at runtime.
      (#​7799)

    • Added TracerProviderBuilder.ConfigureSampler which receives the resolved Sampler whether set programmatically, via OTEL_TRACES_SAMPLER, or by default, and returns a replacement. Intended for library authors who need to influence sampling without overriding a sampler the application has configured.
      (#​7780)

    • Fixed ResourceBuilder.CreateDefault ignoring OTEL_RESOURCE_ATTRIBUTES and OTEL_SERVICE_NAME environment variables when the host IConfiguration does not contain those settings.
      (#​7855)

    • Added improved self-diagnostics logging to improve the support experience. The new SelfDiagnosticsOptions class configures a rolling file sink and a console sink through the standard options pipeline. Sinks are off by default.
      (#​7588)

    • Fixed a race that could incorrectly route a concurrent metric measurement to the overflow point when its tag set was published as the cardinality limit was reached.
      (#​7804)

    • Added OpenTelemetryLoggerOptions.Version and OpenTelemetryLoggerOptions.SchemaUrl options to set an instrumentation library version and schema URL applied to logs emitted via the Microsoft.Extensions.Logging ILogger integration.
      (#​7727)

    • Fixed LogRecord.CategoryName resetting the current Logger's Version to null when set to a new value.
      (#​7727)

    • Bounded the internal cache of Logger scopes keyed by instrumentation to avoid unbounded growth.
      (#​7727)

    • Fixed the MeterProvider and its IServiceProvider being kept alive after the host is disposed when using Microsoft.Extensions.Diagnostics versions prior to 9.0, which never dispose their MetricsSubscriptionManager (and its underlying MeterListener).
      (#​7924)

    • Fixed a race condition between recording a measurement and collecting a histogram with delta temporality that could cause an empty data point (with a count of zero) to be exported in the next collection cycle.
      (#​7923)

    • Improved metric collection performance after metric streams are removed by compacting metric storage during collection.
      (#​7945)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.20.0

    • Added Logger.SchemaUrl and a LoggerProvider.GetLogger overload accepting a schema URL parameter using the new LoggerOptions type.
      (#​7727)

    • Breaking change (pre-release only versions): LoggerProvider's protected TryCreateLogger(string? name, out Logger? logger) extensibility method has been replaced by TryCreateLogger(LoggerOptions options, out Logger? logger). Custom LoggerProvider subclasses that override the previous overload must update to override the new one; the old overload is no longer called.
      ... (truncated)

1.20.0-rc.1

The following changes are from the previous release 1.19.1.

  • NuGet: OpenTelemetry v1.20.0-rc.1

    • Fixed SuppressInstrumentationScope reference counts leaking between inherited asynchronous execution contexts.
      (#​7803)

    • Self-diagnostic features are explicitly disabled on browser-based platforms (e.g. Blazor) and are now non-functional. Previously, attempting to enable self-diagnostics on such platforms would result in an exception at runtime.
      (#​7799)

    • Added TracerProviderBuilder.ConfigureSampler which receives the resolved Sampler whether set programmatically, via OTEL_TRACES_SAMPLER, or by default, and returns a replacement. Intended for library authors who need to influence sampling without overriding a sampler the application has configured.
      (#​7780)

    • Fixed ResourceBuilder.CreateDefault ignoring OTEL_RESOURCE_ATTRIBUTES and OTEL_SERVICE_NAME environment variables when the host IConfiguration does not contain those settings.
      (#​7855)

    • Added improved self-diagnostics logging to improve the support experience. The new SelfDiagnosticsOptions class configures a rolling file sink and a console sink through the standard options pipeline. Sinks are off by default.
      (#​7588)

    • Fixed a race that could incorrectly route a concurrent metric measurement to the overflow point when its tag set was published as the cardinality limit was reached.
      (#​7804)

    • Added OpenTelemetryLoggerOptions.Version and OpenTelemetryLoggerOptions.SchemaUrl options to set an instrumentation library version and schema URL applied to logs emitted via the Microsoft.Extensions.Logging ILogger integration.
      (#​7727)

    • Fixed LogRecord.CategoryName resetting the current Logger's Version to null when set to a new value.
      (#​7727)

    • Bounded the internal cache of Logger scopes keyed by instrumentation to avoid unbounded growth.
      (#​7727)

    • Fixed the MeterProvider and its IServiceProvider being kept alive after the host is disposed when using Microsoft.Extensions.Diagnostics versions prior to 9.0, which never dispose their MetricsSubscriptionManager (and its underlying MeterListener).
      (#​7924)

    • Fixed a race condition between recording a measurement and collecting a histogram with delta temporality that could cause an empty data point (with a count of zero) to be exported in the next collection cycle.
      (#​7923)

    • Improved metric collection performance after metric streams are removed by compacting metric storage during collection.
      (#​7945)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.20.0-rc.1

    • Added Logger.SchemaUrl and a LoggerProvider.GetLogger overload accepting a schema URL parameter using the new LoggerOptions type.
      (#​7727)

    • Breaking change (pre-release only versions): LoggerProvider's protected TryCreateLogger(string? name, out Logger? logger) extensibility method has been replaced by TryCreateLogger(LoggerOptions options, out Logger? logger). Custom LoggerProvider subclasses that override the previous overload must update to override the new one; the old overload is no longer called.
      (#​7727)

... (truncated)

1.20.0-beta.1

The following changes are from the previous release 1.19.1-beta.1.

1.19.1

For highlights and announcements pertaining to this release see: Release Notes > 1.19.1.

The following changes are from the previous release 1.19.0.

1.19.1-rc.1

The following changes are from the previous release 1.19.0.

1.19.1-beta.1

The following changes are from the previous release 1.19.0-beta.1.

1.19.0

For highlights and announcements pertaining to this release see: Release Notes > 1.19.0.

The following changes are from the previous release 1.18.0.

  • NuGet: OpenTelemetry v1.19.0

    • Added Schema URL to internally created Resource instances.
      (#​7726)

    • Reduced allocations when formatting self-diagnostics events with up to three parameters.
      (#​7730)

    • Added AlwaysRecordSampler.
      (#​7695)

    • Fixed CircularBufferBuckets so the first delta histogram insertion after a reset does not result in an unnecessary scale reduction.
      (#​7749)

    • Improved wildcard source/meter name matching to avoid excessive matching time at runtime.
      (#​7760)

    • Fixed lazy logger provider builds after a failure from reusing partially initialized provider state.
      (#​7761)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.19.0

    • Reduced allocations when creating log record attributes from an array.
      (#​7699)

    • Reduced allocations when setting baggage through the params overload.
      (#​7697)

    • Reduced allocations when constructing SpanAttributes from an array.
      (#​7698)

    • Fixed parsing of an inbound tracestate header whose member value trimmed to an empty value that previously threw an IndexOutOfRangeException internally and could silently truncate the tracestate.
      (#​7756)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api.ProviderBuilderExtensions v1.19.0

    No notable changes.

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Exporter.Console v1.19.0

... (truncated)

1.19.0-rc.1

The following changes are from the previous release 1.18.0.

  • NuGet: OpenTelemetry v1.19.0-rc.1

    • Added Schema URL to internally created Resource instances.
      (#​7726)

    • Reduced allocations when formatting self-diagnostics events with up to three parameters.
      (#​7730)

    • Added AlwaysRecordSampler.
      (#​7695)

    • Fixed CircularBufferBuckets so the first delta histogram insertion after a reset does not result in an unnecessary scale reduction.
      (#​7749)

    • Improved wildcard source/meter name matching to avoid excessive matching time at runtime.
      (#​7760)

    • Fixed lazy logger provider builds after a failure from reusing partially initialized provider state.
      (#​7761)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api v1.19.0-rc.1

    • Reduced allocations when creating log record attributes from an array.
      (#​7699)

    • Reduced allocations when setting baggage through the params overload.
      (#​7697)

    • Reduced allocations when constructing SpanAttributes from an array.
      (#​7698)

    • Fixed parsing of an inbound tracestate header whose member value trimmed to an empty value that previously threw an IndexOutOfRangeException internally and could silently truncate the tracestate.
      (#​7756)

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Api.ProviderBuilderExtensions v1.19.0-rc.1

    No notable changes.

    See CHANGELOG for details.

  • NuGet: OpenTelemetry.Exporter.Console v1.19.0-rc.1

    • Extended key/value list attribute handling to cover additional dictionary shapes (IEnumerable<KeyValuePair<string, string?>> and IDictionary). These attributes will be serialized as JSON objects.
      (#​7679)
      ... (truncated)

1.19.0-beta.1

The following changes are from the previous release [1.18.0-beta.1](https://github.com/open-telemetry/opentelemetry-dotnet/releases/...

Description has been truncated

@dependabot
Bump the opentelemetry-testing group with 6 updates
c2ab9c7 
Bumps OpenTelemetry from 1.17.0 to 1.20.0
Bumps OpenTelemetry.Exporter.InMemory from 1.17.0 to 1.20.0
Bumps OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.17.0 to 1.20.0
Bumps OpenTelemetry.Extensions.Hosting from 1.17.0 to 1.20.0
Bumps OpenTelemetry.Instrumentation.AspNetCore from 1.17.0 to 1.20.0
Bumps OpenTelemetry.Instrumentation.Http from 1.17.0 to 1.20.0

---
updated-dependencies:
- dependency-name: OpenTelemetry
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry-testing
- dependency-name: OpenTelemetry.Exporter.InMemory
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry-testing
- dependency-name: OpenTelemetry.Exporter.OpenTelemetryProtocol
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry-testing
- dependency-name: OpenTelemetry.Extensions.Hosting
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry-testing
- dependency-name: OpenTelemetry.Instrumentation.AspNetCore
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry-testing
- dependency-name: OpenTelemetry.Instrumentation.Http
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry-testing
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added the dependencies Pull requests that update a dependency file label Oct 19, 2026

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