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chore(deps): update opentelemetry to v1.28.0 by renovate-bot · Pull Request #16199 · googleapis/google-cloud-cpp · GitHub

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chore(deps): update opentelemetry to v1.28.0 - #16199

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chore(deps): update opentelemetry to v1.28.0#16199
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ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package Type Update Change
open-telemetry/opentelemetry-cpp minor v1.24.0 → v1.28.0
opentelemetry-cpp bazel_dep minor 1.24.0 → 1.28.0
opentelemetry-cpp http_archive minor v1.20.0 → v1.28.0

Release Notes

open-telemetry/opentelemetry-cpp (open-telemetry/opentelemetry-cpp)

v1.28.0: release

Compare Source

v1.28.0 release

Release of:

  • opentelemetry-api
  • opentelemetry-sdk
  • exporter packages
Important changes

  • [API] fix the trace state regex to comply with the w3c trace context level 2 (#​4194)
    #​4194

    • [API] Fix TraceState::IsValidKey() to comply with the W3C Trace Context
      Level 2, where keys containing @ and keys with more than 241 characters
      before @ or more than 14 characters after @ are now accepted.
      Only the total 256-character key length limit is enforced.
      Note: this is a correctness fix to an inline API header; the observable
      behavior of IsValidKey, IsValidKeyRegEx, and IsValidKeyNonRegEx
      changes (see docs/abi-policy.md).

  • [API+SDK] apply filtering EmitLogRecord (#​4079)
    #​4079

    • [API] (ABI v2) Logger::EmitLogRecord(...) templates now apply the
      Enabled filter chain when a Severity is in args. v1 behavior is
      unchanged.

    • [API/SDK] (ABI v2) Add Logger::CreateLogRecord virtual taking
      const nostd::variant<trace::SpanContext, context::Context> &
      for explicit-context record creation. Logger::EmitLogRecord(args...)
      also detects a Context, SpanContext
      or TraceId + SpanId [+ TraceFlags] in args and routes filtering.

    • [SDK] Add LogRecordProcessor::HasEnabledFilter() so the SDK Logger can
      include processor-level filtering in its extended-enabled cache. Defaults
      to true. Built-in SimpleLogRecordProcessor and
      BatchLogRecordProcessor override to false since they use the default
      Enabled.

    • [API/SDK] Replace Context-only signatures on
      LogRecordProcessor::Enabled,
      LogRecordProcessor::EnabledImplementation,
      Logger::EnabledImplementation (v2), and Logger::CreateLogRecord (v2)
      with nostd::variant<trace::SpanContext, context::Context>.

Deprecations

This release contains deprecations, see file DEPRECATED.md

What's Changed
New Contributors

Full Changelog: open-telemetry/opentelemetry-cpp@v1.27.0...v1.28.0

v1.27.0: release

Compare Source

v1.27.0 release

Release of:

  • opentelemetry-api
  • opentelemetry-sdk
  • exporter packages
Security fix

  • [EXPORTER] OTLP HTTP exporters read unbounded HTTP response
    #​4078

    • When exporting OTLP HTTP data to a misconfigured or malicious endpoint,
      the exporter could allocate an arbitrary amount of memory when getting
      the endpoint HTTP response back.
    • The size of HTTP responses is now limited to 4MiB by default,
      following the opentelemetry-proto recommendations.
    • See CVE-2026-44967
Breaking changes

  • [SDK] env var durations non conforming to spec
    #​4020

    • Environment variables for durations can accept two formats, with units
      (15s, 15000ms) or without units (15000).
    • When parsing environment variables that represent durations,
      and only in the case no unit is provided,
      for example OTEL_METRIC_EXPORT_INTERVAL=15000,
      the code interpreted the value, 15000,
      in seconds instead of milliseconds per the specifications.
    • Parsing duration without units has been fixed to use milliseconds.
    • As a consequence, every duration environment variable set
      without a unit is now interpreted differently, which is a breaking change.
    • For example, OTEL_EXPORTER_OTLP_TRACES_TIMEOUT=30 meant 30 seconds
      before, and now means 30 milliseconds.
      To preserve the same behavior, existing values must be adjusted,
      to either 30000 or 30000ms or 30s in this case.
    • The following variables are affected:
      • OTEL_EXPORTER_OTLP_TRACES_TIMEOUT
      • OTEL_EXPORTER_OTLP_METRICS_TIMEOUT
      • OTEL_EXPORTER_OTLP_LOGS_TIMEOUT
      • OTEL_EXPORTER_OTLP_TIMEOUT
      • OTEL_BLRP_SCHEDULE_DELAY
      • OTEL_BLRP_EXPORT_TIMEOUT
      • OTEL_METRIC_EXPORT_INTERVAL
      • OTEL_METRIC_EXPORT_TIMEOUT
      • OTEL_BSP_SCHEDULE_DELAY
      • OTEL_BSP_EXPORT_TIMEOUT
Important changes

  • [SDK] Move inline implementation from SDK headers to .cc files.
    #​3887

    • Note: GetEmptyAttributes() now requires linking opentelemetry_common.

  • Enable WITH_OTLP_RETRY_PREVIEW by default
    #​3953

    • CMake flag WITH_OTLP_RETRY_PREVIEW is now enabled by default.
    • This flag is deprecated, planned for removal.

  • Enable WITH_OTLP_GRPC_SSL_MTLS_PREVIEW by default
    #​3970

    • CMake flag WITH_OTLP_GRPC_SSL_MTLS_PREVIEW is now enabled by default.
    • This flag is deprecated, planned for removal.
    • Bazel now always builds with ENABLE_OTLP_GRPC_SSL_MTLS_PREVIEW.
    • grpc properties for ssl KEY and CERT are always available,
      adjust the application code to initialize all members in grpc options.

  • [EXPORTER] implement non-utf8 string to bytes in OTLP exporters
    #​3991

    • Add WITH_OTLP_UTF8_VALIDITY for CMake
      and enable ENABLE_OTLP_UTF8_VALIDITY for Bazel
      to export non-UTF-8 strings as bytes in OTLP.

  • Enable ENABLE_OTLP_RETRY_PREVIEW for bazel
    #​4010

    • Bazel now always builds with ENABLE_OTLP_RETRY_PREVIEW.

  • [API] Deprecate opentelemetry::plugin
    #​4021

    • namespace opentelemetry::plugin is deprecated
    • See file DEPRECATED.md for details.

  • [SDK] Fix cardinality-limit overflow attribute name to match the
    specification
    #​4060

    • The synthetic overflow data point attribute is now exported as
      otel.metric.overflow (singular) per the
      Metrics SDK specification.
    • Previously the SDK exported otel.metrics.overflow (plural), which
      diverged from the spec and from every other language SDK
      (Go, Java, JS, .NET).
    • Downstream consumers (dashboards, alerts, queries) that filtered on
      the old name must be updated to the spec-correct name.
Deprecations

This release contains deprecations, see file DEPRECATED.md

What's Changed
New Contributors

Full Changelog: open-telemetry/opentelemetry-cpp@v1.26.0...v1.27.0

v1.26.0: release

Compare Source

v1.26.0 release

Release of:

  • opentelemetry-api
  • opentelemetry-sdk
  • exporter packages
Important changes

  • [SDK] Swap Tracer/Meter/LoggerConfig disabled for enabled
    #​3942

    • In TracerConfig(bool), MeterConfig(bool), and LoggerConfig(bool),
      the boolean parameter now represents enabled instead of disabled.
    • User code calling these constructors explicitly must be adjusted
      to pass false to disable.

  • [BUILD] Revisit EventLogger deprecation
    #​3855

    • File DEPRECATED.md contains information about current deprecation
      plans.
    • Please adjust your application accordingly, to avoid disruption.

  • [CONFIGURATION] File configuration - spec stability
    #​3862

    • The specification for declarative configuration is now stable.
    • As a result, environment variable OTEL_EXPERIMENTAL_CONFIG_FILE
      is now renamed to OTEL_CONFIG_FILE.
What's Changed

✂ Note

PR body was truncated to here.

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renovate-bot requested a review from a team as a code owner June 25, 2026 21:06

dpebot commented Jun 25, 2026

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

Code Review

This pull request updates the opentelemetry-cpp dependency version to 1.27.0 across Bazel configuration files, Dockerfiles, and packaging documentation. The reviewer feedback suggests using a Docker ARG instruction to define the OpenTelemetry version in the Dockerfiles to improve maintainability and avoid duplicating the version string.

Comment thread ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile Outdated
# ```bash
WORKDIR /var/tmp/build/opentelemetry-cpp
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.24.0.tar.gz | \
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.27.0.tar.gz | \

gemini-code-assist Bot Jun 25, 2026

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

To improve maintainability and avoid duplicating the version string across multiple Dockerfiles, use an ARG instruction to define the OpenTelemetry version. This allows the version to be centralized or overridden during builds.

ARG OPENTELEMETRY_VERSION=1.27.0
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v${OPENTELEMETRY_VERSION}.tar.gz | \
References
  1. In Dockerfiles, use ARG to define version strings that are duplicated across multiple files to improve maintainability.

Comment thread ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile Outdated
# ```bash
WORKDIR /var/tmp/build/opentelemetry-cpp
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.24.0.tar.gz | \
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.27.0.tar.gz | \

gemini-code-assist Bot Jun 25, 2026

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

To improve maintainability and avoid duplicating the version string across multiple Dockerfiles, use an ARG instruction to define the OpenTelemetry version. This allows the version to be centralized or overridden during builds.

ARG OPENTELEMETRY_VERSION=1.27.0
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v${OPENTELEMETRY_VERSION}.tar.gz | \
References
  1. In Dockerfiles, use ARG to define version strings that are duplicated across multiple files to improve maintainability.

Comment thread ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile Outdated
# ```bash
WORKDIR /var/tmp/build/opentelemetry-cpp
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.24.0.tar.gz | \
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.27.0.tar.gz | \

gemini-code-assist Bot Jun 25, 2026

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

To improve maintainability and avoid duplicating the version string across multiple Dockerfiles, use an ARG instruction to define the OpenTelemetry version. This allows the version to be centralized or overridden during builds.

ARG OPENTELEMETRY_VERSION=1.27.0
RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v${OPENTELEMETRY_VERSION}.tar.gz | \
References
  1. In Dockerfiles, use ARG to define version strings that are duplicated across multiple files to improve maintainability.

renovate-bot force-pushed the renovate/opentelemetry branch from 31dfdd7 to 7ab86ba Compare June 26, 2026 14:28

dpebot commented Jun 26, 2026

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renovate-bot force-pushed the renovate/opentelemetry branch from 7ab86ba to 637f8c0 Compare June 26, 2026 14:30

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renovate-bot force-pushed the renovate/opentelemetry branch from 637f8c0 to b674298 Compare June 29, 2026 14:26

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renovate-bot force-pushed the renovate/opentelemetry branch from b674298 to 5c8d4d1 Compare June 29, 2026 18:16

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renovate-bot force-pushed the renovate/opentelemetry branch from 5c8d4d1 to de11af3 Compare July 16, 2026 17:12

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renovate-bot force-pushed the renovate/opentelemetry branch from de11af3 to 0e04a9d Compare July 16, 2026 21:55
renovate-bot changed the title chore(deps): update opentelemetry to v1.27.0 chore(deps): update opentelemetry Jul 16, 2026

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renovate-bot force-pushed the renovate/opentelemetry branch from 0e04a9d to f834228 Compare July 20, 2026 14:34

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renovate-bot force-pushed the renovate/opentelemetry branch from f834228 to 8058af8 Compare August 7, 2026 14:33

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renovate-bot force-pushed the renovate/opentelemetry branch from 8058af8 to 54ce3f1 Compare August 10, 2026 19:44
renovate-bot changed the title chore(deps): update opentelemetry chore(deps): update opentelemetry to v1.28.0 Aug 10, 2026

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renovate-bot force-pushed the renovate/opentelemetry branch from 54ce3f1 to 785be29 Compare August 24, 2026 21:05

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renovate-bot force-pushed the renovate/opentelemetry branch from 785be29 to cc8c22e Compare August 28, 2026 11:52

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