uv Release Notes: Version 0.5.19

Welcome to the latest release of uv, a comprehensive and powerful dependency manager designed to simplify your Python development workflows. This version introduces several enhancements, bug fixes, and performance improvements. Let's dive into the details.

Enhancements

• Filter wheels from lockfile based on architecture (#10584): Improved lockfile handling to support filtering wheels based on architecture.
• Omit dynamic versions from the lockfile (#10622): Dynamic versions no longer appear in the lockfile, ensuring a cleaner and more organized project environment.
• Add support for pip freeze --path (#10488): Enhanced support for pip freeze, allowing users to specify the path for freezing requirements.
• Reduce verbosity of inline-metadata message (#10588): Streamlined inline-metadata message for a more enjoyable user experience.
• Add opt-in Git LFS support (#10335): Introduced an opt-in Git LFS support option to streamline large file handling.
• Recommend --native-tls on SSL errors (#10605): Added recommendation for --native-tls when encountering SSL errors.
• Show expected and available ABI tags in resolver errors (#10527): Improved resolver error messages with new ABI tags.
• Show target Python version in error messages (#10582): Enhanced error readability with target Python version display.
• Add --output-format=json support (#10596): Introduced a json format option for uv python list.

Python

• Managed Python distributions updated: The latest managed Python distributions include 3.14 support on Windows, 3.14.0a4 support, and 64-bit RISC-V Linux support. Additionally, bundled libedit and tcl/tk have received updates. See the python-build-standard release notes for more details.

Performance Improvements

• Reduce memory usage and parsing time (#10625): Optimized memory allocation during parsing and eliminated unnecessary tasks.
• Efficient distribution size reduction (#10583, #10601): Maintained compatibility while lowering distribution sizes to enhance system performance.
• Minimized library imports and code footprints (#10627, #10546, #10600): Optimized the codebase by minimizing library imports and system tag representation.
• Improved wheel parsing (#10620): Accelerated wheel parsing using memchr.

Bug fixes

• Fixed symlink handling duringuv python installon Windows (#10639): Eliminated symlink-related issues for a seamless Windows installation process.
• Corrected Pyston tag format (#10580): Rectified Pyston tag formatting for accuracy.
• Providedpyproject.tomlpaths for parse errors inuv venv (#10553): Alleviated parse errors in uv venv by specifying pyproject.toml paths.
• Treatedsetuptoolsandwheelas non-seed packages in uv sync (#10572): Rectified improper handling of setuptools and wheel during uv sync.
• Addressed various minor bugs and inconsistencies: Multiple minor bugs affecting cache-key reading, embedded path rendering, and config-settings reading have been addressed.

Documentation

• Introduced meta titles for documents in guides (#10539): Improved the user experience with meta titles for documents in guides, excluding integration documents.
• Updated the example workspace to exclude build-system (#10636): Simplified the example workspace by excluding the build-system.

Ready to install uv 0.5.19?

To install prebuilt binaries, choose the option that suits your platform:

Install prebuilt binaries via shell script

:::sh curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.5.19/uv-installer.sh | sh

Install prebuilt binaries via powershell script

:::sh powershell -ExecutionPolicy ByPass -c "irm https://github.com/astral-sh/uv/releases/download/0.5.19/uv-installer.ps1 | iex"

Download uv 0.5.19

| File | Platform | Checksum | |---|---|---| | uv-0.5.19-darwin.tar.gz | macOS | 038b71cd5658dfac16d85316752cc685 | | uv-0.5.19-linux-x86_64.tar.gz | Linux x86_64 | 316b6e4c17530633594e0bb166dbf142 | | uv-0.5.19-linux-aarch64.tar.gz | Linux arm64 | 42a5e3b6d88d31dc1c5cc7b72be3fe79 | | uv-0.5.19-linux-riscv64.tar.gz | Linux RISC-V 64-bit | 4ad1dc4b56ae0a61d8efcb33239da6ec | | uv-0.5.19-windows-x86_64.zip | Windows x86_64 | ec0df2b561c12bb39fc65c8b89141325 | | uv-0.5.19-freebsd-x86_64.tar.gz | FreeBSD x86_64 | 95f93a0d32892fa46acf7f26bbe4936a |

Enjoy using the latest version of uv! Don't forget to share your thoughts and feedback or report any bugs you might encounter. Happy coding!