Python Agent v2.2.0

September 1, 2026

AI Agent Observability

• New Added LLM workflow transaction instrumentation.

  • Collects the LLM execution span inside an application transaction as its own transaction.
  Note

  For details, see LLM Transaction Configuration.

• New Added collection of conversation coordinates (User / Session / Turn).

  • Collects the user ID and session ID automatically from HTTP headers or LLM SDK call arguments.
  • The turn ID is assigned automatically when a transaction starts.
  Note

  For details, see Configuring Session & User ID.

• New Added an option to configure the model that performs evaluation.

  Note

  For details, see Evaluation.

• New Added the llm_prompt_default_version option.

  • Type: String, default: v1

• New Added active trajectory tracking.

• New Added active LLM API tracking.

• New Added automatic instrumentation for the anthropic SDK.

• New Added automatic instrumentation for langgraph.

• New Added automatic instrumentation for the hermes-agent gateway.

• Changed Evaluation span selection now works independently of the global setting and sampling.

• Fixed Fixed the elapsed time of LLM API steps being collected shorter than the actual value.

• Fixed Fixed the active gauge being counted lower than the actual value on concurrent LLM calls.

• Fixed Fixed LLM call counts being lost.

Common

• New Added the llm_apm_txn_enabled option.

  • Type: Boolean, default: false
  • Enable it to look up LLM transactions from an APM project as well.

• New Added trace propagation across process boundaries (exec / spawn).

  • Passes transaction link information to child processes so call relationships are connected in multi-process structures.

• New Added trace context propagation to worker threads (ThreadPoolExecutor).

  • Tasks run through ThreadPoolExecutor.submit are linked to their parent transaction.

• Fixed Fixed the APM UDP socket being created even when apm_enabled was false.

• Fixed Fixed instrumentation being lost when a module name set in a pattern option such as hook_method_patterns overlapped an automatic instrumentation target.

• Fixed Fixed application calls potentially failing when env was passed as a positional argument to subprocess.Popen.

Note

Agent download: whatap-python v2.2.0