v313

• Added support for Python 3.14. (#1927)
• The Python 3.13 version alias now resolves to Python 3.13.8. (#1928)
• The Python 3.12 version alias now resolves to Python 3.12.12. (#1929)
• The Python 3.11 version alias now resolves to Python 3.11.14. (#1929)
• The Python 3.10 version alias now resolves to Python 3.10.19. (#1929)
• The Python 3.9 version alias now resolves to Python 3.9.24. (#1929)
• Stopped using --with-system-expat when compiling new Python versions. (#1925)

v312

• Updated uv from 0.8.20 to 0.8.23. (#1916 and #1922)

v311

• Stopped rewriting Django collectstatic command log output. (#1918)
• Changed the pip install command used to install the pip, Pipenv and Poetry package managers to now use --isolated mode. (#1915)
• Added more Python project related file and directory names to the list recognised by buildpack detection. (#1914)

v310

• Updated Poetry from 2.2.0 to 2.2.1. (#1907)
• Updated uv from 0.8.18 to 0.8.20. (#1910)
• Fixed errors saving the build cache when installed packages contain broken symlinks. (#1909)
• Improved metrics for failed uv archive downloads. (#1908)

v309

• Added metrics for misspelled .python-version files. (#1904)

v308

• Updated Poetry from 2.1.4 to 2.2.0. (#1900)
• Updated uv from 0.8.15 to 0.8.18. (#1899 and #1901)
• Improved performance of Python build cache saving. (#1902)

v307

• Deprecated support for falling back to installing dependencies from a setup.py file if no Python package manager files were found. (#1897)

v306

• Updated uv from 0.8.13 to 0.8.15. (#1894)

v305

• Added a warning if an existing Python virtual environment is found in the build directory at .venv/ or venv/. In the future this warning will be made an error. (#1890)

v304

• Fixed Django collectstatic and NLTK downloader support for apps that use config vars that shadow internal buildpack variable names (such as CACHE_DIR). (#1888)