Issues

• metrics: add experimental view_matching_mode (composable metric views) support

  open-telemetry/opentelemetry-python#5894 · Filter by author dashpole opened on Nov 6, 2026

• otel.sdk.exporter.operation.duration and otel.sdk.metric_reader.collection.duration omit explicit_bucket_boundaries_advisory=[]

  open-telemetry/opentelemetry-python#5892 · Filter by author dashpole opened on Nov 6, 2026
  2

• otel.sdk.processor.{span,log}.queue.capacity uses synchronous UpDownCounter recorded once in __init__

  open-telemetry/opentelemetry-python#5891 · Filter by author dashpole opened on Nov 6, 2026

• MetricReader self-observability: add_metric_reader() does not wire MeterProvider, collect() omits error.type on failure, and MeterProvider.__init__ double-increments component ID

  open-telemetry/opentelemetry-python#5890 · Filter by author dashpole opened on Nov 6, 2026

• OTLP exporters record HTTP 4xx/5xx failures without error.type and omit response status code attributes on successful HTTP and gRPC exports

  open-telemetry/opentelemetry-python#5889 · Filter by author dashpole opened on Nov 6, 2026

• otel.sdk.processor.log.queue.size uses unit "{log}" instead of "{log_record}"

  open-telemetry/opentelemetry-python#5888 · Filter by author dashpole opened on Nov 6, 2026
  1

• OTLP HTTP: certifi default breaks TLS behind corporate SSL inspection on macOS/Windows

  open-telemetry/opentelemetry-python#5880 · Filter by author sakshamgoyal-01 opened on Nov 2, 2026

• Enhancement: Add forward compatible instrument creation APIs

  enhancement
  open-telemetry/opentelemetry-python#5877 · Filter by author herin049 opened on Nov 1, 2026
  18

• Prometheus map_unit incorrectly normalizes percent ratio units such as %/s

  bug
  open-telemetry/opentelemetry-python#5875 · Filter by author Quantum-Enigma-dot opened on Nov 1, 2026
  1

• OTLP HTTP exporter reports a 3xx response as a successful export, so redirected batches are dropped without any log

  bug
  open-telemetry/opentelemetry-python#5865 · Filter by author adrian-ast-qevlar opened on Oct 30, 2026
  1

• Declarative BatchSpanProcessor inherits ambient OTEL_BSP_* environment variables

  bug
  open-telemetry/opentelemetry-python#5858 · Filter by author Quantum-Enigma-dot opened on Oct 29, 2026
  3

• sdk/metrics: _LastValueAggregation and OTLP encoders omit start_time_unix_nano for Gauge

  open-telemetry/opentelemetry-python#5849 · Filter by author dashpole opened on Oct 27, 2026
  1

• sdk/metrics: delta aggregations and cumulative asynchronous instruments use per-measurement/callback time_ns() as start_time_unix_nano

  open-telemetry/opentelemetry-python#5848 · Filter by author dashpole opened on Oct 27, 2026

• Histogram explicit_bucket_boundaries_advisory validation misses unsorted/non-finite boundaries, which then raise ValueError out of every record() call

  open-telemetry/opentelemetry-python#5844 · Filter by author RudraDudhat2509 opened on Oct 27, 2026

• BatchProcessor's fork recovery fallback only recovers once; a second missed fork silently stops export forever

  bug
  open-telemetry/opentelemetry-python#5843 · Filter by author Neustren opened on Oct 27, 2026

• [bug] LogRecordProcessor exceptions in on_emit escape and crash the host application

  bug
  open-telemetry/opentelemetry-python#5841 · Filter by author Dotify71 opened on Oct 27, 2026

• OSSF Scorecard Pinned-Dependencies: 14 findings on main, and why clearing most of them does not change the score

  open-telemetry/opentelemetry-python#5836 · Filter by author ocelotl opened on Oct 26, 2026

• python 3.15 is out

  open-telemetry/opentelemetry-python#5832 · Filter by author pylaterreur opened on Oct 26, 2026

• Feature: opt-in output options (marker prefix, base64, gzip, max line bytes) for opentelemetry-exporter-otlp-json-file

  feature-request
  open-telemetry/opentelemetry-python#5812 · Filter by author abiy676 opened on Oct 22, 2026
  3

• Declarative config file without propagator makes propagate.extract return None

  bug
  open-telemetry/opentelemetry-python#5803 · Filter by author ocelotl opened on Oct 21, 2026

• TracerProvider fork handler hangs every fork with preexec_fn when concurrent.futures.thread is imported after the provider (1.44+)

  open-telemetry/opentelemetry-python#5789 · Filter by author fivetime opened on Oct 16, 2026

• Consider adding t-string support to Logs API

  feature-request
  open-telemetry/opentelemetry-python#5787 · Filter by author herin049 opened on Oct 16, 2026
  4

  

• Consider making SeverityNumber an IntEnum

  open-telemetry/opentelemetry-python#5785 · Filter by author aabmass opened on Oct 16, 2026
  

• Remove Claude.md

  hold
  open-telemetry/opentelemetry-python#5773 · Filter by author MikeGoldsmith opened on Oct 12, 2026

• ConcurrentMultiLogRecordProcessor hangs in child after fork

  bug
  open-telemetry/opentelemetry-python#5770 · Filter by author JoeyPatricio opened on Oct 12, 2026