Datadog SDK
Backend & InfraDatadog Python APM Client
Release History
v4.6.0rc13 fixes6 featuresThis release enhances LLM Observability by adding prompt retrieval, improved experiment span context, and dataset tagging capabilities. It also includes several bug fixes related to large dataset uploads and profiling initialization.
v4.5.013 fixes12 featuresThis release introduces significant new features for LLM Observability, including built-in evaluators and expanded provider support for LLM Judge. It also deprecates the explicit `tracer` parameter across several integrations in preparation for version 5.0.0.
v4.5.0rc413 fixes12 featuresThis release introduces significant new features for LLM Observability, including support for Claude Agent SDK tracing and new built-in evaluators. It also includes crucial bug fixes across profiling, tracing signal handling, and dependency injection.
v4.5.0rc312 fixes7 featuresThis release introduces significant new features for LLM Observability, including advanced evaluators and Judge capabilities, alongside support for Python 3.14 template strings in IAST. It also addresses numerous stability issues across profiling, tracing, and internal components, while deprecating the explicit `tracer` parameter in several integrations.
v4.5.0rc211 fixes7 featuresThis release introduces significant new features for LLM Observability evaluators and IAST support for Python 3.14 template strings, alongside numerous bug fixes in profiling and tracing signal handling. Several parameters related to tracer injection are deprecated in preparation for version 5.0.0.
v4.5.0rc18 fixes5 featuresThis release introduces significant new features for LLM Observability, IAST support for Python 3.14 template strings, and pymongo 4.12+ tracing. It also deprecates several parameters in tracing integrations in favor of the default tracer singleton and includes numerous bug fixes across profiling and tracing components.
v4.4.020 fixes6 featuresThis release introduces significant enhancements to LLM Observability with class-based evaluators and concurrent synchronous experiment execution. It also adds support for LFI detection and Tornado framework integration for AAP, alongside numerous bug fixes across profiling, exception replay, and various integrations.
v3.19.61 fixThis release primarily addresses a bug fix related to greenlet behavior during profiling when using `gevent.joinall`.
v4.4.0rc320 fixes7 featuresThis release introduces significant enhancements to LLM Observability with class-based evaluators and concurrent synchronous experiment execution. It also adds support for LFI detection and Tornado integration for AAP, alongside numerous bug fixes across profiling, exception replay, and various integrations.
v4.3.23 fixesThis release focuses on stability, addressing critical bugs in Celery integration, Data Streams Monitoring auto-enabling, and gevent profiling interactions.
v4.3.11 fixThis release primarily addresses a stability issue in profiling by fixing a crash related to memory profiling during forking.
v4.4.0rc213 fixes4 featuresThis release introduces significant enhancements to LLM Observability with class-based evaluators and adds configuration for logging levels via `DD_TRACE_LOG_LEVEL`. Numerous bug fixes address issues across profiling, AWS Lambda handlers, gevent compatibility, and specific library integrations like litellm and pydantic-ai.
v4.3.014 fixes6 featuresThis release introduces new profiling capabilities for threading conditions and asyncio task relationships, enhances LLM Observability, and enables WebSocket tracing by default for ASGI. It also mandates an upgrade for the minimum supported `httpx` version to 0.25.0 and fixes several stability and correctness issues across profiling and integrations.
v4.4.0rc18 fixes3 featuresThis release introduces significant enhancements to LLM Observability with class-based evaluators and fixes several critical bugs across AAP, aws_lambda, exception replay, litellm integration, and profiling.
v4.2.31 fixThis release primarily addresses a rare bug related to process hanging upon fork during profiling. It also provides an update on the estimated end-of-life date.
v4.2.24 fixesThis release focuses on bug fixes across LLM Observability integrations (langchain, litellm) and profiling, addressing issues with span duplication, stream handling errors, and incorrect flamegraph rendering.
v4.3.0rc114 fixes6 featuresThis release introduces significant enhancements to profiling, LLM Observability, and security analysis via AAP, while also increasing the minimum required version for the httpx dependency. Several critical bugs related to profiling stability and Django UUID tagging have been resolved.
v4.1.45 fixesThis release focuses on bug fixes across profiling, LLM Observability, and the Anthropic integration, including resolving issues related to lock subclassing, asyncio race conditions, and multiprocessing pickling on Python 3.14+.
v4.0.43 fixesThis release focuses on bug fixes across LLM Observability and profiling, addressing issues with trace ID propagation, lock subclassing errors, and asyncio task stack reporting.
v3.19.52 fixesThis release primarily focuses on bug fixes, addressing an evaluation error in dynamic instrumentation and a TypeError during profiling of subclassed locks.
v4.2.12 fixesThis release focuses on bug fixes, specifically addressing issues in LLM Observability tracing for the anthropic beta client and improving profile accuracy for off-CPU asyncio Tasks.
v4.2.0v4.2.0rc321 fixes17 featuresThis release introduces significant new features for LLM Observability, enhanced profiling capabilities for asyncio locks and tasks, and business logic detection for Stripe via AAP. It also deprecates the `Hooks` class in favor of direct span utility functions.
v4.2.0rc221 fixes17 featuresThis release introduces significant new features for LLM Observability, enhanced profiling capabilities for asyncio locks and tasks, and business logic detection for Stripe via AAP. It also deprecates the `Hooks` class in favor of direct span utility functions.
v4.1.36 fixesThis release focuses primarily on bug fixes across SSI, LLM Observability, and profiling, improving stability, context management, and stack accuracy.
v4.0.34 fixesThis release focuses on bug fixes across CI Visibility and profiling modules, addressing issues related to code coverage instrumentation, uvloop/forking crashes, memory profiler loading, and asyncio dependency tracking.
v3.19.44 fixesThis release focuses on bug fixes across CI Visibility and Profiling modules, and deprecates warning logs for incorrect LLM Observability SDK usage, signaling future error raising.
v4.2.0rc117 fixes14 featuresThis release introduces significant new features for LLM Observability, enhanced profiling capabilities for asyncio locks, and business logic detection for Stripe. It also deprecates the `Hooks` class in favor of direct span utility functions.
v4.1.22 fixesThis release primarily focuses on bug fixes, addressing a crash related to Ray job metadata and correcting the native extension module location for profiling builds.
v4.1.11 fixThis release primarily addresses a bug in the Debugger component by reverting a recent change that caused "context already registered" errors when a specific environment variable was set.
v4.0.23 fixesThis release focuses on several bug fixes across different components, including improved event deduplication in OpenFeature, resolution of API key parsing issues in OpenAI, and stability fixes in the profiler.
v4.1.018 fixes25 featuresThis release introduces significant new features in Continuous Profiling (support for Python 3.14, new lock profiling types) and LLM Observability (multi-run experiments, enhanced tagging). It also deprecates older Tornado versions and resolves several critical bugs related to exception replay, IAST memory safety in forked processes, and tracing initialization in Ray jobs.
v4.1.0rc3Breaking18 fixes28 featuresThis release removes the aioredis integration and drops support for 32-bit Linux, while introducing extensive new features for Python profiling (including Python 3.14 support) and significant enhancements to LLM Observability, including multi-run experiment tracking and richer span tagging.
v4.1.0rc2Breaking18 fixes27 featuresThis release introduces significant new features in Profiling and LLM Observability, including support for new Python primitives and multi-run experiments. It also removes the aioredis integration and drops support for 32-bit Linux environments.
v3.19.31 fixThis release primarily focuses on stability improvements by resolving a potential deadlock issue within the tracing mechanism.
v4.0.19 fixesThis release focuses heavily on stability and security, addressing critical memory safety issues in IAST, resolving deadlocks upon forking, and fixing numerous bugs across profiling, AppSec, and LLM observability integrations.
v3.19.21 fixThis release primarily focuses on improving the reliability of span parsing within the Profiling feature.
v4.1.0rc1Breaking13 fixes28 featuresThis release introduces experimental OpenFeature provider support and significant enhancements to LLM Observability, including richer span tagging and multi-run experiment tracking. It also drops support for 32-bit Linux and removes the deprecated aioredis integration.
v3.19.110 fixesThis release focuses heavily on stability and correctness, fixing critical memory safety issues in IAST, resolving severe inaccuracies in lock profiling, and patching several segmentation faults across the tracer. Support for older Tornado versions is deprecated.
v3.19.08 fixes5 featuresThis release introduces multi-run support for LLM Observability experiments and fixes several performance issues related to profiling and CI Visibility tag fetching. Several attributes on ExperimentResult are deprecated in favor of the new .runs attribute.
v4.0.0Breaking4 featuresThis major release introduces significant API breaking changes, removes support for Python 3.8 and 32-bit Linux, and adds an OpenFeature provider implementation. It also updates default tracing behavior for Django and removes several deprecated integrations and configuration methods.
v4.0.0rc3Breaking4 featuresThis major release introduces significant backwards-incompatible API changes, drops support for Python 3.8 and 32-bit Linux, and adds an OpenFeature provider implementation. Users should review breaking changes carefully, especially regarding removed APIs and updated Django tracing defaults.
v3.19.0rc18 fixes5 featuresThis release introduces multi-run LLM experiments and security response IDs, alongside several bug fixes addressing performance issues related to profiling and CI Visibility. Several attributes on ExperimentResult and the Span.finished setter are deprecated.
v4.0.0rc2Breaking1 fix7 featuresThis major release introduces significant breaking changes, including the removal of Python 3.8 support and deprecated APIs, while adding new features like OpenFeature provider support and enhanced LLM Observability capabilities.
v4.0.0rc1Breaking4 fixes6 featuresThis major release introduces significant API breaking changes, including the removal of Python 3.8 support, deprecated methods, and configuration variables. New features focus on AAP, profiling enhancements, and LLM Observability updates, while Django tracing defaults to a minimal mode.
v3.18.13 fixesThis release focuses on bug fixes across CI Visibility, LLM Observability, and Error Tracking, including performance improvements and stability enhancements.
v3.18.023 fixes5 featuresThis release introduces new features for API Security in AWS Lambda and enhanced lock profiling, alongside numerous bug fixes across integrations like LangChain, Ray, and OpenAI. Several older tracing span methods and the V1 stack profiler are deprecated in preparation for version 4.0.0.
v3.17.36 fixesThis release focuses on bug fixes across CI Visibility, LLM Observability, OpenTelemetry integration, Ray support, and general tracer stability, including improved compatibility with zope.event 6.0.
v3.18.0rc224 fixes5 featuresThis release introduces new features for API Security and LLM Observability, enhances profiling with RLock support, and resolves numerous bugs across integrations like LangChain, Ray, and OpenAI, while deprecating several older span tagging methods.
v3.18.0rc120 fixes5 featuresThis release introduces new features for API Security in AWS Lambda and enhanced LLM Observability dataset management, alongside numerous bug fixes across integrations like Kafka, LangChain, OpenAI, and Ray. Several older tracing and profiling methods are deprecated in preparation for v4.0.0.
v3.16.44 fixesThis release focuses on bug fixes across tracing, logging, and language detection, including resolving an issue with prompt template instrumentation and fixing a race condition in the tracer.
v3.17.26 fixesThis release focuses on stability, fixing several bugs across integrations like langchain and openai, and resolving internal logging issues related to trace-log correlation.
v3.16.33 fixesThis release focuses on bug fixes across CI Visibility, LLM Observability, and profiling components, including performance improvements for Python 3.12+ coverage collection and fixes for memory allocation and infinite loops in the profiler.
v3.17.16 fixesThis release focuses on bug fixes across CI Visibility, LLM Observability, IAST, and profiling, including performance improvements and stability fixes for newer Python versions.
v2.21.121 fixThis release primarily addresses a dependency constraint by pinning 'wrapt' to version <2 until compatibility issues are resolved.
v3.17.012 fixes12 featuresThis release introduces significant new features for LLM Observability, including context propagation for asyncio tasks and support for storing experiments in different projects. It also deprecates several tracing utilities and support for Python 3.8.
v3.17.0rc112 fixes12 featuresThis release introduces significant new features for LLM Observability, including context propagation for asyncio tasks and support for storing experiments in different projects. It also deprecates several tracing utilities and support for Python 3.8.
v3.15.13 fixesThis release focuses on stability by pinning the `wrapt` dependency and fixing specific bugs related to CI test visibility and langchain patching compatibility.
v3.16.21 fixThis release focuses on stabilizing dependencies by pinning `wrapt` to an older version to avoid immediate compatibility issues.
v3.16.17 fixesThis release focuses primarily on bug fixes across CI Visibility, gRPC, Ray integrations, and internal module unloading issues. It also includes a tentative fix for rare memory problems in AAP.
v3.16.08 fixes3 featuresThis release introduces Python 3.14 compatibility updates and new features for OpenTelemetry metrics and Ray tracing, alongside several bug fixes, particularly for LLM Observability and CI Visibility.
v3.16.0rc28 fixes3 featuresThis release introduces Python 3.14 compatibility for core library injection and adds features like Ray tracing integration and OpenTelemetry metrics defaults. Several key integrations remain incompatible with Python 3.14 pending upstream dependency updates.
v3.16.0rc17 fixes3 featuresThis release introduces Python 3.14 compatibility updates and adds new features for OpenTelemetry Metrics and Ray tracing, alongside several bug fixes across integrations.
v3.15.014 fixes13 featuresThis release introduces significant new observability features across Google ADK, Django (minimal tracing mode), AWS tagging, and LLM Observability enhancements. Numerous bug fixes address stability issues in profiling, exception replay, and CI Visibility metrics.
v3.14.43 fixesThis release focuses on bug fixes across AAP and CI Visibility components, addressing issues related to asyncio errors in streaming endpoints and incorrect metric aggregation for ITR skip counts.
v3.15.0rc114 fixes12 featuresThis release introduces significant observability enhancements across various libraries including Google ADK, Django (with minimal tracing option), AWS, and AAP. It also includes crucial bug fixes related to profiling stability, exception replay, and CI Visibility metrics.
v3.14.33 fixesThis release focuses on bug fixes across exception replay, tracing, and libinjection modules, ensuring better stability and handling of custom exceptions and byte string encoding.
v3.13.42 fixesThis release includes bug fixes related to byte string encoding in tracing spans and improved deny listing capabilities in libinjection for modules executed via \`python -m\`.
v3.12.91 fixThis release includes a bug fix for libinjection related to denying python modules executed via `python -m` and denying `py_compile`.
v3.14.23 fixesThis release focuses on bug fixes, including improvements to sampling stability, dynamic instrumentation, and source code integration checks. The estimated end-of-life is September 2026.
v3.13.33 fixesThis release focuses on bug fixes, including improvements to sampling logic, source code integration robustness, and CI Visibility coverage submission for pytest-xdist sessions.
v3.12.82 fixesThis release primarily focuses on bug fixes, including improvements to exception replay for Celery tasks and safer handling of source code integration environment variables.
v3.14.11 fixThis release primarily addresses a bug in the AAP component by disabling grpc threat monitoring to prevent false positives. It also provides an updated end-of-life estimate.
v3.14.010 fixes4 featuresThis release introduces AI Guard support for LangChain, makes `ml_app` optional for LLM Observability, and includes numerous bug fixes across AAP, Django, asyncpg, exception replay, and CI Visibility.
v3.13.21 fixThis release primarily addresses a bug in the tracing component related to the __repr__ method of SpanPointer objects. It also provides an updated end-of-life estimate.
v3.12.71 fixThis release primarily addresses a bug in the tracing component related to the __repr__ method of SpanPointer objects. It also provides an updated end-of-life estimate.
v3.14.0rc210 fixes4 featuresThis release introduces AI Guard support for LangChain and enhances LLM Observability by making `ml_app` optional and adding tool definition support to annotations. Numerous bug fixes address issues across AAP, Django, asyncpg, exception replay, and CI Visibility.
v3.13.11 fixThis release primarily addresses a bug in the Django integration related to coroutine execution on Python 3.13+.
v3.14.0rc16 fixes3 featuresThis release introduces AI Guard support for LangChain and enhances LLM Observability by making `ml_app` optional and adding tool definition annotation capabilities. Several bug fixes address issues in asyncpg, exception replay, LLM observability, and CI Visibility.
v3.13.013 fixes11 featuresThis release introduces significant new features for LLM Observability across multiple integrations (Bedrock, GenAI, OpenAI, VertexAI) and adds experimental OTLP log exporting support via OpenTelemetry. It also includes several bug fixes, notably around websocket span closing and sampling rules, and deprecates ddtrace.tracer.Pin.
v3.12.61 fixThis release primarily addresses a bug in CI Visibility related to coverage submission when using pytest-xdist, ensuring proper Test Impact Analysis functionality.
v3.12.51 fixVersion 3.12.5 fully aligns all updates previously missing in patch releases 3.12.1 through 3.12.4, including a critical fix for the memory profiler's CPU consumption.
v3.12.41 fixThis release primarily addresses a bug fix in the tracing integration for asyncpg connections when custom connect options are used.
v3.13.0rc113 fixes11 featuresThis release introduces significant LLM Observability enhancements for tool usage across multiple integrations (Bedrock, GenAI, OpenAI, VertexAI) and adds experimental OTLP log exporting support. It also deprecates `ddtrace.tracer.Pin` and includes numerous bug fixes across tracing, AAP, and sampling.
v3.12.33 fixesThis release focuses on bug fixes across ASGI websocket tracing, SSI/Crashtracker script loading, and tracer flare configuration.
v3.10.43 fixesThis release focuses on bug fixes across CI Visibility, psycopg, and Code Security (IAST) to improve stability and compatibility with specific testing patterns and Python's eval() function.
v3.11.46 fixesThis release focuses on bug fixes across several integrations, including CI Visibility, psycopg, openai, and LLM Observability components like google-genai and langgraph.
v3.12.22 fixesThis release focuses on bug fixes, specifically addressing memory leaks in the CI Visibility pytest plugin and resolving a circular import in the psycopg3 contrib.
v3.12.12 fixes1 featureThis release fixes bugs related to OpenAI error handling and LLM Observability tag parsing, and adds URL origin override capability to LLM Observability.
v3.12.017 fixes10 featuresThis release introduces the technical preview of the AI Guard Python SDK, adds experimental CI Visibility writer separation, and enhances LLM Observability tracing across several integrations. Several deprecations are noted, including the removal of Windows profiling support and the deprecation of `ddtrace.settings.__init__` imports.
v3.12.0rc3Breaking17 fixes10 featuresThis release introduces the technical preview of the AI Guard Python SDK, enhances LLM Observability tracing across several frameworks, and removes Windows support for profiling. Several bug fixes address issues in AAP, tracing sampling consistency, and various integrations like Kafka and OpenAI.
v3.12.0rc218 fixes9 featuresThis release introduces the technical preview of the AI Guard Python SDK and adds significant features to LLM Observability and CI Visibility, while removing Windows support for profiling and deprecating older tracing initialization methods.
v3.11.38 fixesThis release focuses on numerous bug fixes across various integrations, including AAP, Kafka, OpenAI, and tracing, improving stability and correctness, especially around exception handling and trace sampling.
v3.12.0rc118 fixes7 featuresThis release introduces the technical preview of the AI Guard Python SDK, enhances LLM Observability with increased limits and LangGraph support, and fixes numerous bugs across tracing, CI Visibility, and integrations. Windows profiling support has been removed.
v3.11.21 fixThis release primarily addresses a bug in CI Visibility related to how pytest skipif markers interact with other pytest plugins. The estimated end-of-life date is August 2026.
v3.11.11 fixThis release primarily addresses a bug in the ddtrace_api integration related to calling patch() or patch_all() without arguments.
v3.11.023 fixes16 featuresThis release introduces significant new features for LLM Observability across various frameworks (Anthropic, Bedrock, Google GenAI, OpenAI) and enhances tracing support for Django and MCP. Several bug fixes address issues related to CI Visibility test reporting, LLM token counting accuracy, and instrumentation stability.
v2.21.113 fixesThis release focuses on improving dynamic instrumentation stability, fixing issues related to generator instrumentation on Python 3.10 and iteration block handling.
v3.10.36 fixesThis release focuses on stability and correctness, introducing several bug fixes across dynamic instrumentation, tracing decorators, AST analysis robustness, LLM observability metadata handling, and Django ORM span tagging.
v3.11.0rc323 fixes16 featuresThis release introduces significant new features across LLM Observability, AAP endpoint discovery, and experimental OTLP metrics export. It also includes numerous bug fixes, particularly addressing tracing and token counting issues in LLM integrations, and deprecates the `freezegun` integration for CI Visibility.
Common Errors
NotImplementedError1 reportNotImplementedError usually arises when a function or method is declared but lacks an actual implementation in a subclass or abstract base class, particularly with newer Python versions or libraries that might have added features. To resolve this, identify the method raising the error (e.g., a `Pathlib` method) and provide a concrete implementation in your subclass or use a compatible library version that fully supports the function. Alternatively, monkey-patch the missing implementation if direct modification is not possible.
TypeError1 reportTypeError errors in the datadog-sdk often arise from inconsistencies in expected data types, especially booleans, when setting configuration options like `DD_PROFILING_ENABLED`. To resolve this, ensure environment variables meant to represent booleans (True/False) are explicitly parsed as booleans before being used by the Datadog SDK. Specifically, check if `os.environ.get('DD_PROFILING_ENABLED')` is interpreted as a string instead of a boolean; if so, use code like `DD_PROFILING_ENABLED = os.environ.get('DD_PROFILING_ENABLED', 'false').lower() == 'true'` to cast the environment variable value to a proper boolean within your application.
AttributeError1 reportThis AttributeError usually arises when code tries to access a non-existent attribute of an object, often due to version incompatibilities or incorrect class/module usage. To fix it, verify that the attribute genuinely exists in the object's class for the Python version you're using. If the attribute is missing in the current environment, either update the relevant library to a compatible version or use conditional logic to provide a fallback for older versions.
FileNotFoundError1 reportFileNotFoundError in datadog-sdk, especially with temporary directories, often arises when the user running the application lacks permissions or the designated temporary directory is missing or invalid. Resolve this by ensuring the user has read/write access to the temporary directory (e.g., /tmp), or by explicitly setting the TMPDIR, TEMP, or TMP environment variables to a valid, accessible directory before running your application.
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