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Update OpenTelemetry - #5909

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This PR contains the following updates:

Package Change Age Adoption Passing Confidence
OpenTelemetry.Exporter.Console (source) 1.18.0 → 1.19.1 age adoption passing confidence
OpenTelemetry.Exporter.OpenTelemetryProtocol (source) 1.17.0 → 1.19.1 age adoption passing confidence
OpenTelemetry.Exporter.OpenTelemetryProtocol (source) 1.18.0 → 1.19.1 age adoption passing confidence
OpenTelemetry.Extensions.Hosting (source) 1.17.0 → 1.19.1 age adoption passing confidence
OpenTelemetry.Extensions.Hosting (source) 1.18.0 → 1.19.1 age adoption passing confidence
OpenTelemetry.Instrumentation.AspNetCore (source) 1.12.0 → 1.19.0 age adoption passing confidence
OpenTelemetry.Instrumentation.AspNetCore (source) 1.18.0 → 1.19.0 age adoption passing confidence
OpenTelemetry.Instrumentation.Http (source) 1.12.0 → 1.19.0 age adoption passing confidence
OpenTelemetry.Instrumentation.Http (source) 1.18.0 → 1.19.0 age adoption passing confidence
OpenTelemetry.Instrumentation.Runtime (source) 1.18.0 → 1.19.0 age adoption passing confidence

Release Notes

open-telemetry/opentelemetry-dotnet (OpenTelemetry.Exporter.Console)

v1.19.1

Release details: 1.19.1

  • Fixed NotSupportedException thrown when building a TracerProvider or
    MeterProvider with a large number of wildcard source/meter patterns on
    net8.0, and a related OutOfMemoryException that could occur when many
    such providers were built over the lifetime of a process.

v1.19.0

Release details: 1.19.0

  • Added Schema URL to internally created Resource instances.
  • Added AlwaysRecordSampler.
  • Added an AddOpenTelemetry extension method for IHostApplicationBuilder. It
    registers the OpenTelemetry SDK services and additionally seeds service.name
    from IHostEnvironment.ApplicationName and deployment.environment.name from
    IHostEnvironment.EnvironmentName as low-priority resource defaults. It also
    registers the host's live configuration into DI so that extensions receiving
    only IServiceCollection can contribute configuration sources during setup.
  • 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 or kvlist, as appropriate.
  • If an exception is thrown when serializing an attribute, the attribute will now
    be dropped.
  • Disable HttpClientFactory integration on browser WebAssembly (e.g. Blazor)
    environments to avoid stalled export requests when async HTTP handlers are used.
  • Fixed CA certificate loading (e.g. using OTEL_EXPORTER_OTLP_CERTIFICATE) for
    PEM-encoded certificates that only contain a public key.
  • Fixed CircularBufferBuckets so the first delta histogram insertion after a
    reset does not result in an unnecessary scale reduction.
  • Fixed lazy logger provider builds after a failure from reusing partially
    initialized provider state.
  • 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.
  • Prevented oversized metric metadata from being cached when it cannot fit within
    the configured request size.
  • Reduced allocations when formatting self-diagnostics events with up to three parameters.
  • Improved wildcard source/meter name matching to avoid excessive matching time
    at runtime.
  • Reduced allocations when creating log record attributes from an array.
  • Reduced allocations when setting baggage through the params overload.
  • Reduced allocations when constructing SpanAttributes from an array.

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@dependencyupdates dependencyupdates Bot added dependencies Pull requests that update a dependency file NuGet labels Sep 18, 2026
@dependencyupdates
dependencyupdates Bot force-pushed the renovate/open-telemetry branch 2 times, most recently from 95e2015 to ed38062 Compare September 21, 2026 09:34
@dependencyupdates dependencyupdates Bot changed the title Update OpenTelemetry to 1.19.0 Update OpenTelemetry Sep 21, 2026
@dependencyupdates
dependencyupdates Bot force-pushed the renovate/open-telemetry branch from ed38062 to 7dd6280 Compare October 6, 2026 06:19
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