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Bump OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.18.0 to 1.20.0 - #3371

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Bump OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.18.0 to 1.20.0#3371
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dependabot/nuget/BervProject.WebApi.Boilerplate.ServiceDefaults/OpenTelemetry.Exporter.OpenTelemetryProtocol-1.20.0

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Updated OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.18.0 to 1.20.0.

Release notes

Sourced from OpenTelemetry.Exporter.OpenTelemetryProtocol'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.

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@dependabot
Bump OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.18.0 to 1.20.0
37a6cb3 
---
updated-dependencies:
- dependency-name: OpenTelemetry.Exporter.OpenTelemetryProtocol
  dependency-version: 1.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added .NET Pull requests that update .net code dependencies Pull requests that update a dependency file labels Oct 16, 2026
mergify[bot]
mergify Bot approved these changes Oct 16, 2026
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Automatically approving dependabot

@codecov

codecov Bot commented Oct 16, 2026 •
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 30.95%. Comparing base (9c156e4) to head (37a6cb3).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files 
@@           Coverage Diff           @@
##             main    #3371   +/-   ##
=======================================
  Coverage   30.95%   30.95%           
=======================================
  Files          41       41           
  Lines         743      743           
  Branches       21       21           
=======================================
  Hits          230      230           
  Misses        509      509           
  Partials        4        4

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

@sonarqubecloud

sonarqubecloud Bot commented Oct 16, 2026

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Quality Gate Passed Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

@mergify

mergify Bot commented Oct 16, 2026 •
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This pull request does not currently match the merge queue conditions, so it cannot be queued from here. The box comes back if it matches again.

@dependabot @github

dependabot Bot commented on behalf of github Oct 16, 2026

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Looks like OpenTelemetry.Exporter.OpenTelemetryProtocol is updatable in another way, so this is no longer needed.

@dependabot dependabot Bot closed this Oct 16, 2026
@dependabot
dependabot Bot deleted the dependabot/nuget/BervProject.WebApi.Boilerplate.ServiceDefaults/OpenTelemetry.Exporter.OpenTelemetryProtocol-1.20.0 branch October 16, 2026 01:14
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