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
- 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 sdkaimediapython-agentic ·
pydantic-ai v2.5.0: Security Fix, New Features, and Bug Fixes
Version 2.5.0 of pydantic-ai addresses a moderate security vulnerability (GHSA-jpr8-2v3g-wgf9) related to message sanitization in the AG-UI serving path. This release also introduces new features like `sanitize_messages` for inbound history hardening and round-trip multimodal tool returns through AG-UI and Vercel AI adapters. The update includes numerous bug fixes across various components, impacting users of both v2 and v1 lines of the library.
security 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 sdkaipython-agentic ·
pydantic-ai v2.4.0: New Evaluators and Bug Fixes
Pydantic-ai version 2.4.0 introduces several new features, including enhanced evaluation capabilities with GEval and new span-based evaluators for agentic systems. It also addresses various bug fixes across different modules, improving stability and functionality. These updates benefit developers working with AI agents and LLM applications, offering more robust evaluation tools and refined behavior. The release includes dependency updates and contributions from new community members.
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 - uv Releases sdkinfra ·
uv 0.11.26: Performance improvements and bug fixes
The uv package manager has released version 0.11.26, incorporating several performance enhancements and bug fixes to improve dependency resolution and build processes. These updates aim to optimize performance by adapting to dependency IDs, avoiding unnecessary allocations, and reusing resolver work. The release also includes a fix for a warning related to the build cache location. This patch is relevant for all users of uv, particularly those working with complex dependency graphs or on performance-sensitive projects.
patch - 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 - Django Weblog blogsecuritypreviewsecurity-advisory ·
Django Releases Address Security Vulnerabilities
Django has released versions 6.0.7 and 5.2.16 to fix three low-severity security vulnerabilities. These issues could potentially lead to private data exposure, heap buffer over-reads, or header injection attacks. All users of supported Django versions are strongly encouraged to upgrade to the patched releases.
patch security - Django Weblog blogeducation ·
DSF Member of the Month: Salim Nuru Recognized
Salim Nuru has been named the DSF Member of the Month for June 2026, highlighting his significant contributions to the Django community. Nuru has been an organizer for DjangoCon Africa and currently chairs the DjangoCon US website team, in addition to his work as a software engineer and security researcher. The interview reveals his journey into Django development, his interest in AI for security scanning, and his advice for aspiring open-source contributors.
announcement - Django Weblog blogsecurity ·
Django Software Foundation Achieves CVE Numbering Authority Status
The Django Software Foundation (DSF) has become a CVE Numbering Authority (CNA), allowing it to assign CVE IDs directly for vulnerabilities in Django and select ecosystem projects. This change streamlines the advisory process, reduces administrative delays, and enhances independence in handling security incidents. While most users will notice no immediate difference, this move signifies a maturation of Django's security practices. The process, involving documentation, training, and approval from MITRE, took approximately four months.
announcement security - 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 - Python PEPs infra ·
CPython experimental JIT compiler matures for Python 3.15
CPython's experimental Just-in-Time (JIT) compiler, initially designed in PEP 744 and present since Python 3.13, has been re-architected and significantly improved. For Python 3.15, it offers a 4-12% performance increase, improved native debugger support, and reduced memory usage for generated code. These advancements provide valuable insights into developing a production-ready JIT for CPython.
feature patch - uv Releases sdkengineer ·
uv 0.11.23 release notes
The uv 0.11.23 patch release reverts a change that caused unintended breakage in pre-commit environments and restores previous behavior for workspace members. This release also includes updated prebuilt binaries for various platforms and new instructions for verifying GitHub Artifact Attestations. This update is relevant for users of uv, particularly those employing it within pre-commit hooks or managing complex workspace projects.
patch - uv Releases sdkpreviewengineer ·
uv 0.11.25 release: Security improvements and new features
Version 0.11.25 of uv enhances security by updating its tar library to prevent issues with malformed or ambiguous source distributions. It also introduces several new features, including lockfile enhancements and support for scoped dependency overrides, alongside preview features like workspace scripts and centralized environments. This release impacts developers managing Python dependencies, offering a more robust and flexible package management experience.
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About Python release tracking on ReleaseBytes
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