Python Releases
Python language news, releases and ecosystem updates. New features, breaking changes, security advisories and deprecations - each summarised in plain English and updated continuously.
Tracking 133 Python releases · Updated
- Pydantic AI Releases sdkaisecuritysecurity-advisoryengineerpython-agentic ·
pydantic-ai v2.10.0: Tool pairing, OpenAI/Anthropic support, bug fixes
Version 2.10.0 of pydantic-ai enhances tool integration by improving message history provider validation and adding support for OpenAI background mode and Anthropic pauses. It also addresses several bugs, including issues with usage details, tool renaming, UTF-8 handling, event-loop affinity, and tool call attachment. A dependency update to `transformers` addresses a security vulnerability, affecting users of these libraries.
feature patch - Pydantic AI Releases sdkaipreviewengineerpython-agentic ·
Pydantic-AI v2.9.0: Security fix, GPT-5.6 models, usage command
Pydantic-AI v2.9.0 addresses a security advisory impacting message sanitization and backports a fix to version 1.107.1. This release also introduces new features like GPT-5.6 model support, a `/usage` command for the `clai` CLI, and exposes `usage_limits` to tools. Several bug fixes improve Anthropic Files API integration, message repr handling, FIPS compliance, agent robustness, and output strategies, affecting users of version 2.0.0 and above.
security feature patch - LangGraph Releases sdkaiengineerpython-agentic ·
LangGraph 1.2.7: Fixes for delta overwrites and UUID generation
LangGraph version 1.2.7 addresses critical issues related to delta channel overwrites and ensures valid UUID generation for exit-mode delta task IDs. These fixes improve the stability and reliability of state management within the graph execution, particularly for complex scenarios involving JSON roundtrips and API interactions. The release also includes dependency updates for libraries like redis and langsmith, affecting users of those components.
patch - Pydantic AI Releases sdkaiengineerpython-agentic ·
pydantic-ai v2.1.0: Anthropic web tools, serialization, and bug fixes
Pydantic-ai has released version 2.1.0, introducing new features like Anthropic web tools for server-tool replay and improved instrumentation message serialization. Several bug fixes are also included, addressing issues with tool errors, streaming behavior, and Bedrock token counting. This release impacts developers integrating AI models with Pydantic, particularly those using Anthropic or Bedrock.
feature patch - CrewAI Releases sdkaiengineerpython-agentic ·
crewAI 1.15.0: Conversational Flow Tracking and Declarative Flow Loading
Version 1.15.0 introduces telemetry tracking for conversational flow turn usage and supports these flows in the CLI TUI. It also adds unified declarative flow loading and CLI support, enhancing how users define and execute complex agent workflows. These changes affect developers and users working with agent orchestration, particularly those leveraging new flow definition capabilities and improved performance.
feature patch - OpenAI Agents SDK (Python) Releases sdkaiengineerpython-agentic ·
OpenAI Agents Python Library v0.17.8: Enhancements and Fixes
This release of the OpenAI Agents Python library, version 0.17.8, includes several bug fixes and minor enhancements. Key changes focus on improving error handling, ensuring proper log redaction, and refining validation logic. These updates are relevant for developers using the library for agent-based applications and are available immediately as a patch release.
patch - LangGraph Releases sdkaiengineerpython-agentic ·
LangGraph 1.2.9 fixes state metadata handling
LangGraph version 1.2.9 includes a fix for how state metadata and counters are handled for the delta channel. This resolves a defect that could impact the accuracy of state tracking in specific execution paths. The patch is now available for all users who have previously adopted LangGraph.
patch - FastAPI Releases sdkengineerpython-web ·
FastAPI 0.137.2: New route context iterator and dependency updates
FastAPI version 0.137.2 introduces a new `iter_route_contexts()` method for advanced use cases, enhancing flexibility for developers. This patch also includes dependency updates for several core packages like Starlette and cryptography, as well as numerous translation updates. These changes primarily affect developers using FastAPI, offering improved internal handling and tooling.
feature patch - CrewAI Releases sdkaiengineermediapython-agentic ·
crewAI 1.15.2: LLM Model Fetching, Flow Authoring, and Bug Fixes
This release of crewAI introduces dynamic LLM model fetching in the crew wizard and support for inline skill definitions, enhancing agent flexibility. It also includes bug fixes addressing input resolution, security vulnerabilities, and documentation updates for flow agent options. These changes primarily benefit developers and architects building AI-powered agent applications.
feature patch - LangGraph Releases sdkaiinfraengineerpython-agentic ·
LangGraph 1.2.6 fixes nested subgraph checkpointing and streaming
LangGraph version 1.2.6 addresses two critical regressions, restoring correct checkpointing for nested subgraphs and ensuring running subgraphs are canceled when streaming aborts. These fixes are important for stable and predictable execution of complex graph workflows. The update targets developers using LangGraph for multi-step agentic processes or complex state machines.
patch - Google ADK (Python) Releases sdkengineermediapython-agentic ·
adk-python v1.35.1 improves streaming and metadata handling
This patch release for google/adk-python addresses two specific issues. It ensures grounding metadata is sent correctly for live 3.1 interactions and guarantees the final partial=False frame is always yielded in streaming scenarios. These fixes are relevant for developers using the adk-python library, particularly those working with streaming APIs or live interactions.
patch - Google ADK (Python) Releases sdkaipreviewdeprecationengineermediapython-agentic ·
adk-python v2.3.0: New features and bug fixes
The google/adk-python library has been updated to version 2.3.0, introducing several new features such as enhanced caching, GCS integration, mTLS support, and expanded LLM capabilities with Gemma4 and Live API translation. This release also addresses numerous bugs across various modules including core functionality, evaluation, and agent interactions, improving stability and performance for developers using the ADK. The update aims to provide a more robust and feature-rich environment for building AI-powered applications with Python.
feature patch - LangGraph Releases sdkaiengineerpython-agentic ·
LangGraph CLI 0.4.30 Adds API Version Range Support
LangGraph CLI version 0.4.30 introduces support for specifying compatible API version ranges, enhancing deployment flexibility. This update benefits developers managing LangGraph applications by allowing more resilient versioning strategies. The release also includes standardized README structures.
patch - LangGraph Releases sdkinfraengineerpython-agentic ·
LangGraph CLI 0.4.31: Prebuild Images for Deploy, Dependency Updates
LangGraph CLI version 0.4.31 introduces the ability to use prebuilt images for deployment, streamlining the deployment process. It also includes numerous dependency updates across various libraries like Starlette, LangSmith, and cryptographic packages. These changes affect developers using the LangGraph CLI for deploying and managing their graph applications.
feature patch - FastAPI Releases sdkengineerpython-web ·
FastAPI 0.138.0: Frontend support and documentation updates
FastAPI version 0.138.0 introduces support for serving frontend applications directly from `app.frontend()` and `router.frontend()`. This release also includes numerous documentation improvements, translations, and internal fixes. The changes are relevant for developers using FastAPI to build web applications, particularly those integrating static frontend assets.
feature patch - Google ADK (Python) Releases sdkaiengineerpython-agentic ·
adk-python v1.36.0 adds GenAI SDK support
Google's adk-python library has been updated to version 1.36.0, introducing support for GenAI SDK versions 2.9 and higher. This feature enhancement is crucial for developers utilizing the latest generative AI capabilities within their Python applications. The update primarily affects developers working with Google's AI and machine learning tools. It requires users to have GenAI SDK 2.9+ installed.
feature - Google ADK (Python) Releases sdkengineerpython-agentic ·
Google ADK Python v1.35.2 released
Version 1.35.2 of Google's ADK Python library has been released, addressing a bug fix. This update removes live event buffering in the runner, which may resolve issues related to event handling for users of this library. The change is available now as a patch release.
patch - LangGraph Releases sdkaiengineerpython-agentic ·
LangGraph 1.2.8 fixes state update bug
LangGraph version 1.2.8 addresses a critical bug where updating state on a new thread could cause a deadlock by forcing a snapshot instead of a stub checkpoint. This patch ensures smoother state management for developers using LangGraph, particularly in concurrent execution scenarios. The update is available now for all users.
patch - Google ADK (Python) Releases sdkaiengineermediapython-agentic ·
adk-python v1.36.1 releases bug fixes
The latest patch release for google/adk-python, version 1.36.1, addresses two critical bugs. It ensures clean connection exits during bidirectional streaming when GoAway signals are received and resolves issues with Vertex AI Live API session replay during reconnections or modality switches. These fixes are important for maintaining stable and reliable interactions with Google Cloud services for developers using the adk-python library.
patch - FastAPI Releases sdkengineerpython-web ·
FastAPI 0.137.1: Typing and Path Operation Fixes
This patch release for FastAPI addresses two issues: improved typing checks for APIRoute and a bug fix allowing empty paths in prefixless routers. These changes enhance the stability and flexibility of the framework for developers using these specific features. This is a routine patch update.
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