v339

• Updated uv from 0.10.7 to 0.10.9. (#2049)
• Switched to downloading uv from releases.astral.sh instead of GitHub releases. (#2050)
• Updated the check for misspelled .python-version files with additional misspellings seen in the wild. (#2051)

v338

• The Python 3.12 version alias now resolves to Python 3.12.13. (#2046)
• The Python 3.11 version alias now resolves to Python 3.11.15. (#2046)
• The Python 3.10 version alias now resolves to Python 3.10.20. (#2046)

v337

• Updated pip from 25.3 to 26.0.1. (#2032)
• Updated uv from 0.10.1 to 0.10.7. (#2041)
• Explicitly configured uv to use hard links to maintain the behaviour of previous versions. (#2044)

v336

• Added a workaround for nltk.txt package downloader errors caused by an upstream regression in NLTK v3.9.3. (#2041)
• Changed the S3 URL used to download Python to use AWS' dual-stack (IPv6 compatible) endpoint. (#2035)

v335

• Updated uv from 0.9.29 to 0.10.1. (#2031)

v334

• Updated Poetry from 2.3.1 to 2.3.2. (#2024)
• Updated uv from 0.9.26 to 0.9.29. (#2029)

v333

• The Python 3.14 version alias now resolves to Python 3.14.3. (#2027)
• The Python 3.13 version alias now resolves to Python 3.13.12. (#2027)

v332

• Updated Poetry from 2.2.1 to 2.3.1. (#2019)
• Updated uv from 0.9.24 to 0.9.26. (#2016)
• The web server concurrency calculation profile script now sets the env var WEB_CONCURRENCY_SET_BY="heroku/python" if WEB_CONCURRENCY was set automatically by the buildpack. (#2015)

v331

• Updated uv from 0.9.21 to 0.9.24. (#2013)

v330

• Re-apply a workaround for a Pipenv bug when using --system, that causes packages to not be installed correctly if they are also a dependency of Pipenv (such as certifi or packaging). (#2011)