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@dependabot dependabot bot commented on behalf of github Feb 3, 2026

Bumps go.opentelemetry.io/otel from 1.39.0 to 1.40.0.

Changelog

Sourced from go.opentelemetry.io/otel's changelog.

[1.40.0/0.62.0/0.16.0] 2026-02-02

Added

  • Add AlwaysRecord sampler in go.opentelemetry.io/otel/sdk/trace. (#7724)
  • Add Enabled method to all synchronous instrument interfaces (Float64Counter, Float64UpDownCounter, Float64Histogram, Float64Gauge, Int64Counter, Int64UpDownCounter, Int64Histogram, Int64Gauge,) in go.opentelemetry.io/otel/metric. This stabilizes the synchronous instrument enabled feature, allowing users to check if an instrument will process measurements before performing computationally expensive operations. (#7763)
  • Add go.opentelemetry.io/otel/semconv/v1.39.0 package. The package contains semantic conventions from the v1.39.0 version of the OpenTelemetry Semantic Conventions. See the migration documentation for information on how to upgrade from go.opentelemetry.io/otel/semconv/v1.38.0. (#7783, #7789)

Changed

  • Improve the concurrent performance of HistogramReservoir in go.opentelemetry.io/otel/sdk/metric/exemplar by 4x. (#7443)
  • Improve the concurrent performance of FixedSizeReservoir in go.opentelemetry.io/otel/sdk/metric/exemplar. (#7447)
  • Improve performance of concurrent histogram measurements in go.opentelemetry.io/otel/sdk/metric. (#7474)
  • Improve performance of concurrent synchronous gauge measurements in go.opentelemetry.io/otel/sdk/metric. (#7478)
  • Add experimental observability metrics in go.opentelemetry.io/otel/exporters/stdout/stdoutmetric. (#7492)
  • Exporter in go.opentelemetry.io/otel/exporters/prometheus ignores metrics with the scope go.opentelemetry.io/contrib/bridges/prometheus. This prevents scrape failures when the Prometheus exporter is misconfigured to get data from the Prometheus bridge. (#7688)
  • Improve performance of concurrent exponential histogram measurements in go.opentelemetry.io/otel/sdk/metric. (#7702)
  • The rpc.grpc.status_code attribute in the experimental metrics emitted from go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc is replaced with the rpc.response.status_code attribute to align with the semantic conventions. (#7854)
  • The rpc.grpc.status_code attribute in the experimental metrics emitted from go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc is replaced with the rpc.response.status_code attribute to align with the semantic conventions. (#7854)

Fixed

  • Fix bad log message when key-value pairs are dropped because of key duplication in go.opentelemetry.io/otel/sdk/log. (#7662)
  • Fix DroppedAttributes on Record in go.opentelemetry.io/otel/sdk/log to not count the non-attribute key-value pairs dropped because of key duplication. (#7662)
  • Fix SetAttributes on Record in go.opentelemetry.io/otel/sdk/log to not log that attributes are dropped when they are actually not dropped. (#7662)
  • Fix missing request.GetBody in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp to correctly handle HTTP/2 GOAWAY frame. (#7794)
  • WithHostID detector in go.opentelemetry.io/otel/sdk/resource to use full path for ioreg command on Darwin (macOS). (#7818)

Deprecated

Commits
  • a3a5317 Release v1.40.0 (#7859)
  • 77785da chore(deps): update github/codeql-action action to v4.32.1 (#7858)
  • 56fa1c2 chore(deps): update module github.com/clipperhouse/uax29/v2 to v2.5.0 (#7857)
  • 298cbed Upgrade semconv use to v1.39.0 (#7854)
  • 3264bf1 refactor: modernize code (#7850)
  • fd5d030 chore(deps): update module github.com/grpc-ecosystem/grpc-gateway/v2 to v2.27...
  • 8d3b4cb chore(deps): update actions/cache action to v5.0.3 (#7847)
  • 91f7cad chore(deps): update github.com/timakin/bodyclose digest to 73d1f95 (#7845)
  • fdad1eb chore(deps): update module github.com/grpc-ecosystem/grpc-gateway/v2 to v2.27...
  • c46d3ba chore(deps): update golang.org/x/telemetry digest to fcf36f6 (#7843)
  • Additional commits viewable in compare view

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Bumps [go.opentelemetry.io/otel](https://github.com/open-telemetry/opentelemetry-go) from 1.39.0 to 1.40.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-go@v1.39.0...v1.40.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/otel
  dependency-version: 1.40.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file go Pull requests that update go code labels Feb 3, 2026
@dependabot dependabot bot requested a review from hyp3rd as a code owner February 3, 2026 02:57
@dependabot dependabot bot added dependencies Pull requests that update a dependency file go Pull requests that update go code labels Feb 3, 2026
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