Issues

• BatchLogRecordProcessor: validate max_export_batch_size > max_queue_size at construction, as #4727 did for BatchSpanProcessor

  needs-triage
  open-telemetry/opentelemetry-cpp#4750 · Filter by author hidingmyname opened on Oct 30, 2026
  1

• SDK: skip completely empty span links (invalid SpanContext, no attributes, no TraceState) consistently in StartSpan / AddLink / AddLinks

  needs-triage
  open-telemetry/opentelemetry-cpp#4749 · Filter by author hidingmyname opened on Oct 30, 2026

• Baggage::FromHeader drops entries whose percent-decoded value is not valid UTF-8, instead of substituting U+FFFD

  needs-triage
  open-telemetry/opentelemetry-cpp#4748 · Filter by author hidingmyname opened on Oct 30, 2026

• BatchLogRecordProcessor: make export_timeout_millis / OTEL_BLRP_EXPORT_TIMEOUT take effect through cooperative exporter deadlines

  needs-triage
  open-telemetry/opentelemetry-cpp#4747 · Filter by author hidingmyname opened on Oct 30, 2026

• Cooperative cancellation for metric collection during bounded PeriodicExportingMetricReader shutdown

  needs-triage
  open-telemetry/opentelemetry-cpp#4746 · Filter by author hidingmyname opened on Oct 30, 2026

• Baggage::ToHeader/FromHeader use form-style + for space, which other W3C Baggage implementations read as a literal plus

  needs-triage
  open-telemetry/opentelemetry-cpp#4745 · Filter by author hidingmyname opened on Oct 30, 2026

• [METRICS] Add Enabled() to synchronous instruments

  triage/accepted
  open-telemetry/opentelemetry-cpp#4719 · Filter by author adityabavadekar opened on Oct 20, 2026
  1

  

• [SDK] Support OTEL_TRACES_SAMPLER and OTEL_TRACES_SAMPLER_ARG environment variables

  triage/accepted
  open-telemetry/opentelemetry-cpp#4709 · Filter by author akshat-lakhera opened on Oct 17, 2026
  5

• [SDK] Resource attribute-copy allocation failure crashes during variant cleanup with libstdc++

  needs-triage
  open-telemetry/opentelemetry-cpp#4707 · Filter by author 22elix3r opened on Oct 14, 2026
  2

• Support vsock transport in OTLP gRPC client

  needs-triage
  open-telemetry/opentelemetry-cpp#4706 · Filter by author Teseus84 opened on Oct 14, 2026
  1

• Concerning amount of "catch (...)"

  bugdiscusstriage/accepted
  open-telemetry/opentelemetry-cpp#4701 · Filter by author malkia opened on Oct 13, 2026
  5

• [CMake] Strengthen pkg-config installation tests to detect missing metadata and dependencies

  needs-triage
  open-telemetry/opentelemetry-cpp#4697 · Filter by author lalitb opened on Oct 12, 2026
  1

• [SDK] Scope-attribute allocation failures bypass provider recovery

  triage/accepted
  open-telemetry/opentelemetry-cpp#4694 · Filter by author lalitb opened on Oct 12, 2026

• Span construction might result in a terminate

  triage/accepted
  open-telemetry/opentelemetry-cpp#4685 · Filter by author DevxMike opened on Oct 9, 2026
  2

  

• TracerContext construction might result in a terminate

  triage/accepted
  open-telemetry/opentelemetry-cpp#4684 · Filter by author DevxMike opened on Oct 9, 2026
  2

• std::mutex that might throw

  triage/accepted
  open-telemetry/opentelemetry-cpp#4683 · Filter by author DevxMike opened on Oct 9, 2026
  1

• Throwable in noexcept method

  triage/accepted
  open-telemetry/opentelemetry-cpp#4682 · Filter by author DevxMike opened on Oct 9, 2026
  1

• Linker errors under Visual Studio when CMAKE_MSVC_RUNTIME_LIBRARY is set to MultiThreadedDLL in main project

  bugneeds-triage
  open-telemetry/opentelemetry-cpp#4678 · Filter by author stephengtuggy opened on Oct 6, 2026
  5

• [BUG] A send during WaitBackgroundThreadExit starts a second background thread, and teardown races it

  needs-triage
  open-telemetry/opentelemetry-cpp#4665 · Filter by author thc1006 opened on Oct 3, 2026

• [BUG] The curl background loop ignores what curl_multi_poll returns

  needs-triage
  open-telemetry/opentelemetry-cpp#4664 · Filter by author thc1006 opened on Oct 3, 2026

• [BUILD] Bazel //ext:headers exposes headers the CMake install excludes

  help wantedtriage/accepted
  open-telemetry/opentelemetry-cpp#4625 · Filter by author thc1006 opened on Sep 21, 2026
  5

• [BUG] SessionState::TimedOut is never dispatched, so every timeout surfaces as SendFailed

  needs-triage
  open-telemetry/opentelemetry-cpp#4604 · Filter by author mateenali66 opened on Sep 19, 2026
  2

• [CI] Add Ubuntu 26.04 runners to the CI workflow

  triage/accepted
  open-telemetry/opentelemetry-cpp#4596 · Filter by author dbarker opened on Sep 18, 2026
  2

• Dependency Dashboard

  triage/accepted
  open-telemetry/opentelemetry-cpp#4589 · Filter by author renovate opened on Sep 17, 2026

• Extend IWYU checks to headers without a matching .cc file

  help wantedtriage/accepted
  open-telemetry/opentelemetry-cpp#4581 · Filter by author om7057 opened on Sep 16, 2026
  4