Sourced from OpenTelemetry.Extensions.Hosting's releases.

1.15.3

For highlights and announcements pertaining to this release see: Release Notes > 1.15.3.

The following changes are from the previous release 1.15.2.

• NuGet: OpenTelemetry v1.15.3

  • Fix resource leak in batch and periodic exporting task workers for Blazor/WASM.
    (#​7069)

  • Fixed LogRecord.LogLevel to preserve LogLevel.None and handle
    unspecified or out-of-range severities without returning invalid enum values.
    (#​7092)

  • Fixed OTEL_TRACES_SAMPLER_ARG handling to treat out-of-range, NaN, and
    infinite values as invalid and fall back to the default ratio when using
    traceidratio and parentbased_traceidratio samplers.
    (#​7103)

  See CHANGELOG for details.

• NuGet: OpenTelemetry.Api v1.15.3

  • Fix baggage and trace headers not respecting the maximum length in some cases.
    (#​7061)

  • Improve efficiency of parsing of baggage and B3 propagation headers.
    (#​7061)

  • Breaking change: Fixed tracestate parsing to reject keys that do not
    begin with a lowercase letter, including keys beginning with digits, to
    align with the W3C Trace Context specification.
    (#​7065)

  • Fixed BaggagePropagator to trim optional whitespace (OWS) around =
    separators when parsing the baggage header, as required by the
    W3C Baggage specification.
    (#​7009)

  • Fixed BaggagePropagator to strip baggage properties (e.g. ;metadata)
    from values when parsing the baggage header.
    (#​7009)

  See CHANGELOG for details.

• NuGet: OpenTelemetry.Api.ProviderBuilderExtensions v1.15.3

  No notable changes.

  See CHANGELOG for details.

... (truncated)

1.15.3-beta.1

The following changes are from the previous release 1.15.2-beta.1.

• NuGet: OpenTelemetry.Exporter.Prometheus.AspNetCore v1.15.3-beta.1

  • Fixed metric unit strings containing invalid Prometheus characters (e.g. # RU)
    not being sanitized, resulting in malformed metric names.
    (#​6187)

  • Fixed Prometheus metric serialization to handle empty label names without
    throwing during scrape rendering.
    (#​7077)

  • Updated OpenTelemetry core component version(s) to 1.15.3.
    (#​7125)

  See CHANGELOG for details.

• NuGet: OpenTelemetry.Exporter.Prometheus.HttpListener v1.15.3-beta.1

  • Fixed metric unit strings containing invalid Prometheus characters (e.g. # RU)
    not being sanitized, resulting in malformed metric names.
    (#​6187)

  • Fixed Prometheus metric serialization to handle empty label names without
    throwing during scrape rendering.
    (#​7077)

  • Updated OpenTelemetry core component version(s) to 1.15.3.
    (#​7125)

  See CHANGELOG for details.

• NuGet: OpenTelemetry.Shims.OpenTracing v1.15.3-beta.1

  • Fixes support for byte, short, int, and float attributes.
    (#​7080)

  • Updated OpenTelemetry core component version(s) to 1.15.3.
    (#​7125)

  See CHANGELOG for details.

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