Issues

• [BUG]: repeating trace and span ids after AWS Lambda SnapStart restore

  bug
  DataDog/dd-trace-py#21050 · Filter by author maxfriedrich opened on Oct 16, 2026

• [3.15] Document the profiling 3.14 → 3.15 migration

  python:3.15
  DataDog/dd-trace-py#21037 · Filter by author vlad-scherbich opened on Oct 15, 2026

• [3.15] Run the 3.15 download_dependency_wheels CI cell

  python:3.15
  DataDog/dd-trace-py#21035 · Filter by author vlad-scherbich opened on Oct 15, 2026

• [3.15] Drop the Cython<3.3 build pin on 3.15

  python:3.15
  DataDog/dd-trace-py#21034 · Filter by author vlad-scherbich opened on Oct 15, 2026

• [3.15] runtime and crashtracker test suites on Python 3.15

  python:3.15
  DataDog/dd-trace-py#21033 · Filter by author vlad-scherbich opened on Oct 15, 2026

• [3.15] testrunner image: build CPython 3.15 with _decimal

  python:3.15
  DataDog/dd-trace-py#21032 · Filter by author vlad-scherbich opened on Oct 15, 2026

• [3.15] testrunner image: install CPython 3.15.0 final

  python:3.15
  DataDog/dd-trace-py#21031 · Filter by author vlad-scherbich opened on Oct 15, 2026

• [BUG]: ddtrace 4.x leaves multiprocessing children alive when forking concurrently from threads (unbounded memory growth, then hang)

  DataDog/dd-trace-py#20976 · Filter by author ngrybeniuk opened on Oct 13, 2026
  2

• [BUG]: anthropic with_raw_response and with_streaming_response calls produce LLMObs spans with no output or token usage

  DataDog/dd-trace-py#20949 · Filter by author chrikrah opened on Oct 12, 2026

• [BUG]: logging.captureWarnings() has no effect under ddtrace-run when gevent is installed (warnings module is unloaded, logging is kept)

  DataDog/dd-trace-py#20875 · Filter by author StasEvseev opened on Oct 8, 2026

• [BUG]: APM_TRACING remote config sampling rules flip on every RC update ("Failed to apply all sampling rules. Rules=, Applied=[]")

  DataDog/dd-trace-py#20871 · Filter by author ebar0n opened on Oct 8, 2026
  2

• [BUG]: ASGI requests on a keep-alive connection chain to the previous request's ExecutionContext, leaking every earlier request

  DataDog/dd-trace-py#20858 · Filter by author dev-kpyc opened on Oct 7, 2026

• OpenFeature latest CI variant breaks when openfeature-sdk 0.10+ resolves

  DataDog/dd-trace-py#20817 · Filter by author vlad-scherbich opened on Oct 5, 2026

• ASM latest CI variants break when anthropic 1.x / openai 3.x / pymysql 1.2+ resolve

  DataDog/dd-trace-py#20816 · Filter by author vlad-scherbich opened on Oct 5, 2026

• LLMObs latest CI variants break when anthropic 1.x / mcp 2.x resolve

  DataDog/dd-trace-py#20815 · Filter by author vlad-scherbich opened on Oct 5, 2026
  1

• [BUG]: Generated dd tracestate exceeds 256-character limit and is rejected by OpenTelemetry

  bug
  DataDog/dd-trace-py#20810 · Filter by author kpurdon opened on Oct 5, 2026
  1

• [BUG]: google_genai LLMObs spans drop tool_use_prompt_token_count, so input + output no longer adds up to total

  DataDog/dd-trace-py#20783 · Filter by author chrikrah opened on Oct 4, 2026

• [BUG]: Anthropic streamed spans report 1h cache writes as ephemeral_5m_input_tokens

  DataDog/dd-trace-py#20782 · Filter by author chrikrah opened on Oct 4, 2026
  1

• [3.15] wrapping — sys.monitoring path skips obfuscation guard

  DataDog/dd-trace-py#20776 · Filter by author vlad-scherbich opened on Oct 3, 2026

• [3.15] openfeature — enable on Python 3.15

  DataDog/dd-trace-py#20774 · Filter by author vlad-scherbich opened on Oct 3, 2026

• [BUG]: vllm integration raises AttributeError 'EngineCoreOutput' object has no attribute 'num_cached_tokens' with vLLM >= 0.20.0

  bug
  DataDog/dd-trace-py#20768 · Filter by author SierraJY opened on Oct 3, 2026

• [BUG]: gRPC response wrapper raises AttributeError for generators, affecting Bigtable reads after upgrading to 2.46.0

  bug
  DataDog/dd-trace-py#20729 · Filter by author csmithd opened on Oct 1, 2026

• [3.15] appsec_iast_packages — enable on Python 3.15

  python:3.15
  DataDog/dd-trace-py#20726 · Filter by author vlad-scherbich opened on Oct 1, 2026

• [3.15] aws_durable_execution_sdk_python — enable on Python 3.15

  python:3.15
  DataDog/dd-trace-py#20723 · Filter by author vlad-scherbich opened on Oct 1, 2026

• [3.15] pymongo — enable on Python 3.15

  python:3.15
  DataDog/dd-trace-py#20722 · Filter by author vlad-scherbich opened on Oct 1, 2026
  1