uv 0.12.9
Release Notes Released on 2026-09-01. Python Add CPython 3.15.0rc2 ( #21413 , #21415 ) Enhancements Add --no-locked and --no-frozen to disable lock modes enabled by UV_LOCKED and UV_FROZEN for a single invocation ( #21408 ) Report the exact command-line lock-mode flag in warnings and errors ( #21402 ) Performance Speed up cold wheel installs by extracting...
Also shipped Sep 1, 2026Astral in September 2026 →
Fivetran connection cron scheduling enters beta
Connections can now use one or more cron expressions to control exactly when they sync, giving finer control than fixed sync frequencies.
Fivetran Connection Warnings REST API enters private preview
New endpoints retrieve active warnings for a connection, grouped by destination table with codes, messages and timestamps, and dismiss all instances of a warning type, enabling programmatic warning management.
Snowflake App Runtime (General availability)
Snowflake App Runtime is now generally available and is no longer in Preview .
Apache Arrow support for Zerobus Ingest is now generally available
Apache Arrow support for Zerobus Ingest in Lakeflow Connect is now generally available. See Use Arrow Flight with Zerobus Ingest .
Genie One web search is in Beta
Genie One can now search the public web to answer questions that need current information, such as recent release notes, third-party documentation, or news. Genie One cites the external sources it uses as links in its response. See Search the web .
More from uvEvery uv release →
uv 0.12.10
Release Notes Released on 2026-09-04. Enhancements Attempt to revoke short-lived PyPI trusted-publishing tokens after uv publish completes, including when publishing fails ( #21423 ) Preview features Omit exclude-newer-package settings for packages outside the resolution from uv.lock with the missing-exclude-newer-package-lock preview feature ( #21455 )...
uv 0.12.11
Release Notes Released on 2026-09-08. Preview features Generate missing artifact hashes when exporting pylock.toml files to ensure they conform to PEP 751 ( #20146 ) Warn when pylock.toml artifact hash tables are empty, which will be rejected in a future uv release ( #21462 ) Performance Speed up installs that overwrite existing files by eliminating...
uv 0.12.12
Release Notes Released on 2026-09-09. The executables in our macOS and Windows release archives and uv and uv_build wheels are now code-signed. macOS executables are signed with an Apple Developer ID certificate and notarized by Apple. Windows executables have timestamped Authenticode signatures from Azure Artifact Signing.
uv 0.12.13
Release Notes Released on 2026-09-10. Python Add GraalPy 3.13.0 ( #21431 ) Enhancements Verify hashes when downloading PEP 658 metadata sidecars ( #21563 ) Preview features Respect ty exclusions when uv check automatically selects members of a virtual workspace ( #21555 ) Performance Avoid full wheel downloads during resolution by reusing supported hashes...
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...
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...
uv 0.12.15
Release Notes Released on 2026-09-15. Performance Speed up cold-cache resolution and HTTP cache revalidation by batching cache writes ( #21675 ) Bug fixes Fix regressions in 0.12.14 when installing to symlinked destinations or using uv pip install --target .
uv 0.12.14
Release Notes Released on 2026-09-15. Enhancements Resume interrupted downloads with HTTP Range requests when supported ( #21570 ) Use a consistent format for error rendering ( #17110 ) Render error and warning causes with compact cause: labels ( #21599 , #21603 ) Show underlying causes and hints in user warnings ( #21565 ) Show resolver hints for failed uv...