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uv 0.12.24

UpdateyesterdayUnverifiedAdded Oct 9, 2026

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...

Topics: Developer tools, Performance

Astral's release notes

More uv releases

Every uv release
Updateunverified

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...

Updateunverified

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...

Updateunverified

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...

Updateunverified

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...

Updateunverified

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...

Updateunverified

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.

Updateunverified

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...

Updateunverified

uv 0.12.16

Release Notes Released on 2026-09-17. Python Add Pyodide 314.0.7, 0.29.5, and 0.27.8 ( #21741 ) Enhancements Verify downloaded wheels and source distributions against hashes supplied by package indexes ( #21562 ) Allow build-constraint-dependencies entries to include hashes for verifying downloaded build dependencies ( #21467 ) Honor Darwin platform_release...

Also shipped on Oct 8, 2026

Astral in October 2026
GAunverified

Performance Risks Inbox is now generally available

Performance Risks Inbox is GA Performance Risks Inbox is now generally available (GA). It finds the performance anti-patterns that quietly slow your application down, such as N+1 queries and inefficient database calls, and groups them in one place so your team can fix them before they become incidents.

Betaunverified

CLI v0.9.0 | CLI, Beta

CLI v0.9.0 Manage cloud tasks with cr code , including interactive messages, side questions, plans, and delivery. Complete shell commands and read richer review JSON . Verify signed Linux releases and recover more reliably from login and update failures. Run cr update . See cloud tasks and upgrade details .