Issues

• falcon: automatically instrument falcon.asgi.App (tracing + AppSec)

  DataDog/dd-trace-py#21327 · Filter by author wconti27 opened on Oct 28, 2026

• [BUG]: Lock profiler segfaults in _ProfiledLock._update_name when grpc.aio acquires a lock on a uvloop event loop

  DataDog/dd-trace-py#21320 · Filter by author dungphan opened on Oct 28, 2026

• [BUG]: Starlette fallback route resolver overwrites FastAPI (>= 0.137) span resources with a top-level catch-all route

  bug
  DataDog/dd-trace-py#21292 · Filter by author reggora-mmatney opened on Oct 27, 2026
  

• aws_durable_execution_sdk_python integration: second durable execution in a warm Lambda container fails at its first ctx.step (ExecutionContext has no event)

  DataDog/dd-trace-py#21282 · Filter by author brentinator0 opened on Oct 27, 2026

• [BUG]: pydantic_ai tool spans record ToolReturn.content instead of ToolReturn.return_value as output

  bug
  DataDog/dd-trace-py#21250 · Filter by author wdobbels opened on Oct 26, 2026

• [3.15] Unskip download_dependency_wheels for Python 3.15

  DataDog/dd-trace-py#21154 · Filter by author vlad-scherbich opened on Oct 21, 2026

• [3.15] Build macOS cp315 wheels

  DataDog/dd-trace-py#21153 · Filter by author vlad-scherbich opened on Oct 21, 2026

• [3.15] Un-prune cp315 wheels from PyPI publish

  DataDog/dd-trace-py#21152 · Filter by author vlad-scherbich opened on Oct 21, 2026

• [3.15] Raise MAX_PY to (3, 15) / NEXT_MAX_PY to (3, 16)

  DataDog/dd-trace-py#21151 · Filter by author vlad-scherbich opened on Oct 21, 2026

• [BUG]: Starlette integration doubles the base path in resource name for connexion 3 apps (GET /api/api/ping)

  DataDog/dd-trace-py#21118 · Filter by author ceky63 opened on Oct 20, 2026

• [BUG]: 4.16.0 intermittently hangs forever at interpreter shutdown — main thread parked in futex, NativeWriter never finishes

  DataDog/dd-trace-py#21109 · Filter by author YoungJinJung opened on Oct 20, 2026
  5

• LLM Observability: streamed Amazon Nova invoke_model calls report 0 tokens

  DataDog/dd-trace-py#21073 · Filter by author pcbeingused333 opened on Oct 17, 2026

• [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

• [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