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
- OpenAI Agents SDK (Python) Releases sdkaiengineerpython-agentic ·
OpenAI Agents Python SDK v0.17.6: Tool Input Guardrails and JSON Contract Enforcement
The latest release of the OpenAI Agents Python SDK (v0.17.6) introduces pre-approval tool input guardrails and enforces a strict JSON-compatible contract for tool outputs. These updates enhance the reliability and predictability of agent interactions, particularly for developers integrating custom tools. The changes primarily affect developers using the SDK for agent development and tool integration.
feature patch - OpenAI Agents SDK (Python) Releases sdkaipreviewengineerpython-agentic ·
OpenAI Agents Python v0.18.2: GPT-5.6 controls, multi-agent beta
This release introduces support for GPT-5.6 request controls and a hosted multi-agent beta feature, alongside several bug fixes for sandbox and real-time communication. The changes are aimed at enhancing control over model interactions and improving the stability of multi-agent systems. This patch primarily affects developers using the OpenAI agents Python library, with the multi-agent beta indicating a preview stage for this new functionality.
feature patch security - OpenAI Agents SDK (Python) Releases sdkaiengineerpython-agentic ·
OpenAI Agents Python v0.18.1: Bug fixes and documentation updates
The OpenAI Agents Python library has released version 0.18.1, focusing on bug fixes and documentation improvements. This update addresses issues related to session cleanup, tool state preservation, and stream handling. It also includes enhancements for cache-write usage and logprobs accumulation, impacting developers using these features. The release is a patch update with no new major features.
patch - OpenAI Agents SDK (Python) Releases sdkaiengineerpython-agentic ·
openai-agents-python v0.18.0: RealtimeAgent default model changed, Unicode support added
The openai-agents-python library has released version 0.18.0, defaulting RealtimeAgents to the gpt-realtime-2.1 model for improved performance. Additionally, Unicode storage options are now available for SQLAlchemy sessions, enhancing data handling capabilities. These changes affect users leveraging RealtimeAgent or SQLAlchemySession within the library.
feature patch - Pydantic AI Releases sdkaiazureengineerpython-agentic ·
pydantic-ai v2.7.0: Azure shorthand, Grok-4.5 model, and bug fixes
Version 2.7.0 of pydantic-ai introduces support for the Azure-responses model ID shorthand and adds the xAI grok-4.5 model. It also includes several bug fixes, such as improved handling of boolean JSON Schema nodes and preservation of HTTPX event hooks. This release is relevant for developers using pydantic-ai with Azure and other AI providers.
feature patch - Pydantic AI Releases sdkaisecuritysecurity-advisoryengineermediapython-agentic ·
pydantic-ai v2.6.0 adds file support, Bedrock profiles, and security fixes
Pydantic-ai version 2.6.0 introduces new features including file support for CodeExecutionTool and additional Bedrock model profiles, enhancing usability for AI development. It also addresses several bug fixes to improve stability and integrates dependency updates to mitigate known security vulnerabilities. These changes are relevant for developers building AI applications with pydantic-ai, particularly those integrating with Anthropic, OpenAI, or AWS Bedrock services.
feature patch - CrewAI Releases sdkaiengineerpython-agentic ·
CrewAI 1.15.1: Git initialization, explicit definitions, and bug fixes
CrewAI version 1.15.1 introduces new features including Git repository initialization for generated projects and requires explicit crew definitions for enhanced project clarity. This patch also addresses several bugs, such as issues with deployment page link resolution and JSON crew template rendering, aiming to improve the development workflow for users building autonomous AI agents. The release is available now as a patch.
feature patch - Pydantic AI Releases sdkaisecuritysecurity-advisoryengineerpython-agentic ·
pydantic-ai v2.9.1: Bug fixes and dependency updates
Pydantic-ai version 2.9.1 addresses several bugs related to typed composition, integer timeouts in Mistral models, and retired model handling. It also includes a crucial dependency update to address a ReDoS vulnerability in soupsieve (CVE-2026-49477). This patch is relevant for all users of the pydantic-ai library, especially those integrating with Mistral models or handling typed data compositions.
patch - Pydantic AI Releases sdkaiengineerpython-agentic ·
pydantic-ai v2.8.0: New features and bug fixes
Pydantic-ai version 2.8.0 introduces new features like enhanced `to_cli()` capabilities and an updated bundled chat UI. The release also addresses several bugs, including validation issues with tool parameters and fixes for response handling. This update is relevant for developers utilizing pydantic-ai for AI agent development and integration.
feature patch - FastAPI Releases sdkengineerpython-web ·
FastAPI 0.139.0: Frontend Dependencies and Translation Updates
FastAPI version 0.139.0 introduces support for dependencies within `app.frontend()`, which can be used for automatic cookie authentication for the frontend. This release also includes extensive updates to translations across multiple languages. These changes are available now and primarily affect developers using FastAPI for web application development.
feature patch - Pydantic AI Releases sdkaiengineermediapython-agentic ·
pydantic-ai v2.2.0: New AI model support and numerous bug fixes
Pydantic-ai version 2.2.0 introduces support for Anthropic's Claude Sonnet 5 and adds usage cost fields for OpenRouter. Several bug fixes are included, addressing issues with GroqModel metadata, Pyodide callbacks, usage accumulation, and Heroku routing. These updates benefit developers integrating various AI models and enhance the stability and functionality of the pydantic-ai library.
feature patch - Pydantic AI Releases sdkaiengineerpython-agentic ·
pydantic-ai v1.107.1 patches security vulnerability
Pydantic-ai v1.107.1 addresses a moderate security vulnerability (GHSA-jpr8-2v3g-wgf9) in its AG-UI serving path that could expose and execute tool calls with client-chosen arguments. This fix impacts users of `pydantic-ai` and `pydantic-ai-slim` versions >= 1.88.0 and < 2.5.0, with patches available in v1.107.1 and v2.5.0. Users can also mitigate this by configuring tools to require approval or by implementing their own argument validation and authorization.
security patch - Django Weblog blogengineer ·
DjangoCon US 2026 Speaker Lineup Announced, Registration Open
The speaker lineup for DjangoCon US 2026 is now available, showcasing a range of topics from web development to AI and the future of Django. The conference offers learning opportunities, networking, tutorials, and social events. Registration is open for the event in Chicago from August 24-28.
announcement - Django Weblog blogpreviewengineer ·
Django 6.1 Beta 1 Released
Django 6.1 beta 1 is now available, offering new features and usability improvements ahead of the final release. This beta version allows users to test upcoming changes and report bugs before the scheduled August 5 final release. It is intended for testing and not production use, with bug fixes focusing on regressions and new feature issues.
feature announcement - Django Weblog blogengineerfinanceeducationgovernment ·
Django Software Foundation Seeks Executive Director
The Django Software Foundation (DSF) has announced the search for its first Executive Director, a crucial step to manage its growing operational responsibilities beyond volunteer efforts. Six Django development agencies have collectively pledged over $47,500 to fund the role for its first year. This initiative aims to enhance support for Django Fellows, improve fundraising, and ensure the long-term sustainability of the Django framework. The job posting will be released soon, and further community contributions are encouraged.
announcement feature - Django Weblog blogengineer ·
Last Call for 2026 Django Developer Survey
The Django Software Foundation, in partnership with JetBrains, is issuing a final call for the 2026 Django Developers Survey, closing on July 13, 2026. This survey is crucial for understanding Django usage and guiding future technical and community decisions. Over 3,100 responses have been received, with a goal to exceed 4,000 to ensure comprehensive community feedback.
announcement - Django Weblog blogengineer ·
Django Community Engagement and Contribution Opportunities
This announcement outlines various public channels for engaging with the Django community and contributing to its development. It highlights weekly DSF Office Hours as a key real-time opportunity for contributors. These resources are intended for anyone interested in supporting the Django project's ongoing work and community.
announcement - uv Releases sdkpreviewengineer ·
uv 0.11.24 adds CPython 3.15.0b3 support and preview features
This release of uv (version 0.11.24) adds support for CPython 3.15.0b3 and introduces a preview feature for making project environments relocatable. It also includes performance improvements and several bug fixes, such as disabling `exclude-newer` and avoiding archive ID collisions. The update is available for various platforms, with checksums provided.
patch - uv Releases sdkpreviewengineer ·
uv 0.11.27: Performance, bug fixes, and preview features
This release of uv (version 0.11.27) introduces significant performance improvements, addresses several bugs, and includes a new preview feature. The performance enhancements focus on optimizing dependency resolution and parsing, aiming to speed up package management operations for all users. A new preview feature for discovering extensionless shebang scripts is now available for early adopters. These changes are particularly relevant for developers using uv for Python package management.
patch - uv Releases sdkengineer ·
uv 0.11.28 releases security fixes and performance enhancements
Version 0.11.28 of uv hardens ZIP handling against parser differentials by updating the astral-async-zip library. This release also includes performance optimizations by reducing allocations in various operations and enhancements to error reporting for better user feedback. These changes are relevant to all users of uv, particularly those dealing with complex dependency management scenarios.
patch
About Python release tracking on ReleaseBytes
Python point releases, security fixes and end-of-life dates matter to almost every stack — including indirectly, through what Databricks runtimes and cloud services pin. ReleaseBytes tracks CPython releases and ecosystem news, and its EOL tracker shows exactly when each Python version stops receiving security fixes.
Frequently asked questions
How often are Python release notes updated on ReleaseBytes? ›
Continuously. ReleaseBytes monitors the official Python release channels around the clock and publishes a plain-English summary of each announcement shortly after it lands.
What kinds of Python changes does ReleaseBytes track? ›
New features, enhancements, bug fixes, security advisories, breaking changes, deprecations and end-of-life announcements. Every item is tagged by type so you can filter to just the changes that need action.
How can I get alerts for new Python releases? ›
Set up a free email or Slack alert filtered to Python, subscribe to the weekly digest, or follow the RSS feed. Teams can also install the ReleaseBytes GitHub App or connect via MCP.
Where does the Python release data come from? ›
From the official sources: Python language news, releases and ecosystem updates. Every item links back to the original vendor announcement.