Releasesby Ibisuv 0.13.0
UpdateyesterdayUnverifiedAdded Oct 10, 2026
Release Notes Released on 2026-10-09. uv 0.13.0 makes Python 3.15 the default stable Python version. We've also included several breaking changes to improve correctness, performance, and compatibility, described below. We expect most users to be able to upgrade without making changes.
Topics: Performance
More uv releases
Every uv releaseuv 0.12.24
Release Notes Released on 2026-10-08. Enhancements Remove orphaned temporary build environments with uv cache prune Accept PEP 508 marker operators directly before grouped expressions Reject malformed requirements-file options instead of partially parsing or ignoring them Show underlying filesystem and registry errors when managed Python uninstallation...
uv 0.12.23
Release Notes Released on 2026-10-03. Python Add CPython 3.15.0rc3 Preview features Sync from uv.lock without a workspace manifest using uv sync --frozen with frozen-lockfile Export from uv.lock without a workspace manifest using uv export --frozen with frozen-lockfile Inspect dependency trees from uv.lock without a workspace manifest using uv tree --frozen...
uv 0.12.22
Release Notes Released on 2026-10-01. Python Add CPython 3.10.22, 3.11.17, 3.12.15, 3.13.16, and 3.14.8 Enhancements Accept uppercase release suffixes in wheel platform tags Record workspace-member default groups in lockfiles (#22010, #22103) Record workspace-member dependency-group Python requirements in lockfiles (#22044, #22103) Record default groups for...
uv 0.12.21
Release Notes Released on 2026-09-29. Python Update CPython to use OpenSSL 3.5.9 Enhancements Omit empty [manifest] tables from lockfiles that contain only manifest subtables Preview features Omit redundant runtime constraints from uv.lock, including those involving pre-releases, with the resolution-inputs preview feature (#22004, #22068) Bug fixes Prevent...
uv 0.12.20
Release Notes Released on 2026-09-28. Enhancements Reuse lockfiles when dependency declarations are semantically equivalent Preserve second-line encoding declarations when installing wheel scripts with CRLF shebangs Preview features Write normalized requirement declarations with the lockfile-normalization preview feature Honor synthetic default groups when...
uv 0.12.19
Release Notes Released on 2026-09-24. Python Add PyPy 3.11.16 and 3.12.14 Update GraalPy 3.13.0 to build 25.4.4 Enhancements Format upload URLs with backticks in uv publish errors Preview features Run build-backend hooks with lazy imports on CPython 3.15 and later using the build-lazy-imports preview feature Omit unused resolution settings from uv.lock and...
uv 0.12.18
Release Notes Released on 2026-09-22. This release addresses GHSA-2cv4-cqwr-gwf7 , which is a path traversal weakness during wheel installation on Windows. No other platforms are affected by this advisory.
uv 0.12.17
Release Notes Released on 2026-09-18. Enhancements Reject unsupported Git archive paths in lockfiles with a clear error instead of panicking during frozen exports ( #21780 ) Preview features Set minimum glibc and musl versions that universal resolutions must support with minimum-libc-version ( #21651 ) Reject pylock.toml files whose wheel filenames do not...
Also shipped on Oct 9, 2026
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