uv

This release focuses heavily on performance optimizations by reducing allocations across various operations and improves error reporting by rendering cause chains and respecting quiet flags. It also includes a security update via the underlying ZIP library.

This release focuses heavily on performance improvements across parsing and scanning operations, alongside several bug fixes related to lock file generation and dependency resolution. A preview feature for discovering extensionless shebang scripts was also introduced.

This release focuses on performance improvements within the PubGrub dependency resolution process and includes one bug fix related to build cache location warnings. Artifacts are now signed with GitHub Artifact Attestations.

This release (0.11.25) focuses on security hardening by updating the tar library, alongside numerous enhancements related to lockfiles, dependency scoping, and build backend recommendations. Several preview features for workspace management and environment centralization are also introduced.

This release introduces relocatable project environments as a preview feature and includes several bug fixes related to dependency resolution, tool installation cleanup, and shell activation scripts. It also adds compatibility for CPython 3.15.0b3.

This patch release reverts a recent change that caused unintended breakage in pre-commit-uv and restores previous workspace member handling behavior.

This release introduces new preview features like SARIF output for auditing and configuration via TOML files, alongside numerous bug fixes related to dependency resolution, validation, and environment handling.

This release adds support for new CPython versions (3.13.14, 3.14.6) and introduces several preview features related to workspace metadata and dependency upgrades. Numerous bug fixes focus on improving cache robustness and hardening parsing across metadata and requirements.

This release introduces new CLI flags for exporting index URLs and listing dependencies, alongside performance improvements and several bug fixes related to symlinks and dependency resolution.

This release introduces support for CPython 3.15.0b2 and adds the PyEmscripten platform. It also includes fixes related to tool uninstallation and cross-installation steps.

This release introduces the `uv check` command for running `ty` and includes fixes for a performance regression in wheel unzipping and updates to activation scripts. The MSRV was also bumped to 1.94.

This release introduces several enhancements, including diagnostics for `uv add` and support for PEP 794 in `uv-build`. Numerous bug fixes address performance, environment handling, and dependency resolution issues.

This release introduces support for direct archive dependencies in Git and allows disabling system configuration via an environment variable. Numerous bug fixes address issues related to environment variable parsing, secret leakage, and entry point validation.

This release (0.11.15) focuses on security enhancements, improved configuration handling for `uv pip compile`, and various performance optimizations across dependency resolution and file operations.

This release introduces an Astral mirror URL override and fixes several bugs related to environment file application, logging output, dependency tree visualization, and lock validation.

This release (0.11.13) includes bug fixes related to editable builds and hash requirement enforcement, and adds official support for CPython 3.14.5.

This release introduces support for CPython 3.15.0b1 and adds the --no-editable flag to uv pip install. It also enforces percent-encoding for git refs in URLs.

This release (0.11.11) primarily contains a bug fix allowing acceptance of legacy cache ID formats from older versions. It also provides installation instructions and artifact downloads for the new version.

This release (0.11.10) includes a bug fix allowing pre-release Python requests with non-zero patch versions. It also provides installation instructions for prebuilt binaries.

This release introduces a CPython 3.14.5rc1 candidate to revert memory-intensive garbage collection changes and includes numerous bug fixes across dependency resolution, platform compatibility (Android, Wine, ARMv7), and Windows environment handling. It also deprecates native TLS flags.

This release introduces several enhancements, including new configuration options and improvements to lockfile handling and self-update mechanisms. It also includes numerous bug fixes across dependency resolution, build requirements, and platform-specific behavior.

This release upgrades the underlying CPython build, enhances configuration error reporting for version mismatches, and includes several bug fixes related to dependency installation, TLS handling, and version specifier comparisons.

This release addresses a low severity security advisory related to malformed wheel RECORD entries during uninstallation. It also includes fixes for cache cleaning errors on Windows and improved wheel validation.

This release introduces support for new CPython versions and adds the `exclude-newer` configuration option for indexes. It also includes several bug fixes related to error handling, path normalization, and Windows uninstallation.

This release (0.11.4) introduces support for `--upgrade-group` and enhances dependency resolution by enforcing stricter hash matching and improving conflict detection. Several bugs related to environment finding, lockfiles, and outdated package listing have also been fixed.

This release (0.11.3) introduces several enhancements including ROCm 7.2 support, PEP 803 implementation, and expanded workspace metadata. It also includes various bug fixes related to hashing, build targets, and dependency checking.

Version 0.11.2 enhances the `uv self update` command usability and introduces better error handling for Windows PE editing, alongside a minor fix for `uv run` performance.

This release (0.11.1) focuses on bug fixes, including improved hash verification for specific Linux targets and better download fallback mechanisms. Documentation updates cover using arbitrary Python environments.

This release focuses heavily on upgrading the underlying networking stack, replacing certificate verification libraries, and adopting AWS's cryptography backend, leading to potential changes in TLS behavior. New features include case-insensitive handling of 'Dynamic' values and new options for `uv audit`.

This release introduces support for Python 3.6 interpreters and PyPy 3.11.15, alongside several bug fixes related to dependency management and interpreter detection. Documentation updates clarify Python version support tiers.

This release (0.10.11) focuses on performance improvements, bug fixes related to project file handling and environment synchronization, and updates internal metadata fetching mechanisms.

This release introduces the `--outdated` flag for `uv tool list`, improves error handling and logging, and fixes several bugs related to Windows decompression and environment caching. It also adds support for CPython 3.15.0a7.

This release (0.10.9) focuses on stability, performance improvements like avoiding TOML overhead and using a global workspace cache, and expanding platform/package support, including Python 3.13+ on Android and new PyTorch dependencies.

This release introduces several enhancements including hardened Docker images, default use of Astral mirrors for fetching CPython and releases, and configuration options like UV_INIT_BARE. It also includes numerous bug fixes related to tool upgrades, exclusions, and dependency resolution.

This release (0.10.7) fixes an issue with junction handling in Windows Containers and introduces activation of logging for middleware retries.

Version 0.10.6 of uv focuses on bug fixes, including resolving Python version selection conflicts and ensuring file permission preservation during reflinks on Linux.

This release introduces several enhancements related to configuration hints, locking warnings, and file linking strategies, alongside various bug fixes across workspace operations and environment variable handling.

Version 0.10.4 of uv focuses on stability, fixing a panic during root initialization and resolving permission issues on built artifacts, alongside improving workspace discovery efficiency.

This release (0.10.3) introduces support for CPython 3.15.0a6 and includes several bug fixes related to version matching and Windows handling. It also enhances logging for preview features.

This release deprecates the use of unexpected ZIP compression methods and fixes a bug where `cargo-install` failed due to a missing dependency.

Version 0.10.1 improves robustness by preventing panics on metadata read errors and skipping empty workspace members. It also updates documentation recommendations for shell updates.

This release stabilizes several preview features, including Python version management and workspace utilities, while introducing several breaking changes related to configuration validation and virtual environment removal behavior.

This release (0.9.30) introduces support for newer Python versions, enhances the `--extra` option, and fixes a deadlock in `uv publish`. It also enables relocatable virtual environments by default as a preview feature.

This release updates the underlying Python environment to Pyodide 0.29.3 and introduces several enhancements to platform naming, publishing, and error handling, alongside various bug fixes.

This release updates the bundled CPython to OpenSSL 3.5.5 for security fixes and introduces Pyodide support on Windows. It also includes improvements to index validation warnings and upload skipping logic.

This release updates core dependencies like Pyodide and GraalPy, introduces new features such as `--exclude` for `uv pip freeze` and ROCm 7.x support, and fixes an infinite loop related to SSL configuration.

This release introduces support for CPython 3.15.0a5 and adds several enhancements to error messaging and build features, including preview support for GCS request signing.

This release introduces support for CPython 3.15.0a4 and upgrades the Tcl/Tk dependency. New features include bytecode compilation flags for installation/upgrade and per-package control over `exclude-newer`.

This release includes bug fixes related to sync handling and dynamic distribution rebuilding. It also adds a Rust language classifier to the documentation.

This release introduces support for relative paths in configuration directories, allows setting proxy variables globally, and enables S3 uploads via pre-signed URLs as a preview feature. Several bug fixes address build artifacts, SBOM exports, and platform tag recognition.

This release (0.9.22) focuses on improving error messaging and fixing bugs related to wheel filtering and retry counting. Documentation regarding requirements file format has also been clarified.

This release fixes a regression related to zstd distribution hash validation and includes documentation typo fixes.

This is a re-release of version 0.9.19, fixing publishing issues and introducing several enhancements, including CPython 3.15.0a3 support and improved handling of binary flags and interpreter installation.

This release introduces several enhancements to command line usability and publishing, alongside performance improvements and fixes for various bugs related to network requests, file locking, and configuration schema.

uv 0.9.17 introduces support for relative durations in dependency cooldowns, adds new PyTorch-related packages, and improves Nushell activation scripts and CLI hints.

This release introduces support for new CPython versions, adds a Bazel auth helper, and implements a 5-minute timeout for file locks to prevent deadlocks. It also includes several CLI enhancements for 'uv pip' and 'uv add', alongside performance improvements in HTML parsing.

uv 0.9.15 adds support for CPython 3.14.1 and ROCm 6.4, while fixing a metadata retrieval hang by reverting astral-tl. The release process was modified to bypass PEP 740 attestation issues on PyPI.

uv 0.9.14 introduces performance improvements via SIMD HTML parsing and several bug fixes for shell integration and dependency management. It also standardizes the working directory environment variable to UV_WORKING_DIR.

uv 0.9.13 is a maintenance release focused on bug fixes for requirements file streaming and wheel tag validation, alongside documentation improvements.

This release introduces PEP 740 attestation support for publishing and improves script metadata handling, alongside significant documentation updates for crates.io and Docker workspaces.

uv 0.9.11 introduces SBOM support for exports, adds CPython 3.15.0a2, and includes several fixes for TOML serialization and workspace commands.

This release introduces workspace listing and Python upgrade capabilities, improves SSL and license file handling, and enables automatic Python installation for targeted pip installs.

uv 0.9.9 introduces iOS interpreter discovery, new workspace commands, and several enhancements while deprecating the `--project` flag and removing built‑in torch‑model‑archiver packages, requiring minimal migration steps.

uv 0.9.8 introduces multi-package support for export/sync, a new cache size command, and dependency exclusions, alongside critical bug fixes for Docker DNS and GPU detection.

uv 0.9.7 introduces Windows x86-32 emulation support and UI improvements to progress bars, while fixing issues with terminal coloring in auth tokens and flag behavior.

This release focuses on security by addressing ZIP parsing differentials and adds several enhancements to 'uv build' and 'uv init', alongside various bug fixes for CLI commands.

uv 0.9.5 upgrades the `astral-tokio-tar` dependency to 0.5.6 for security, adds helpful hints for environment markers and system‑managed interpreters, improves error messages, and fixes several bugs.

uv 0.9.4 adds CUDA 13.0 support, Intel GPU auto‑detection on Windows, and RFC 9457 error context display, while fixing token obfuscation in `uv auth token`. Upgrade via the new installer script or prebuilt binaries.

uv 0.9.3 introduces support for newer CPython releases, adds log obfuscation for secret tokens, and resolves a workspace relative‑path bug.

uv 0.9.2 adds support for newer CPython versions, improves uv publish handling of .pyx files, and introduces a --show-python option for uv tool list.

uv 0.9.1 introduces several new configuration options and enhancements, plus a collection of bug fixes and documentation updates, while maintaining full compatibility with prior versions.

uv 0.9.0 switches the default Python version to 3.14, updates Docker images, and adds free‑threaded interpreter support, while fixing several build and upgrade bugs.

uv 0.8.24 introduces a new `--force` option for `uv cache prune` and adds informative messages when cache clean or prune commands encounter a held lock.

uv 0.8.23 adds s390x build support, a new environment variable to skip wheel filename checks, numerous bug fixes, and expands platform coverage with Tier 2 support for Windows arm64 and Linux RISC‑V64.

uv 0.8.22 updates Pyodide to 0.28.3 and hardens tar extraction by upgrading astral-tokio-tar to 0.5.5, with new installer scripts and binary packages.

uv 0.8.21 introduces a `--refresh` flag to refresh lockfiles and adds preview support for S3 request signing.

uv 0.8.20 adds a new `--force` flag for cache cleaning, improves proxied package resolution errors, and introduces a preview feature for upgrading pre‑release versions, while fixing Python list visibility and cache handling bugs.

uv 0.8.19 introduces CPython 3.14.0rc3 support and updates OpenSSL to 3.5.3, plus bug fixes for parallel cache cleaning and Windows ARM64 platform tag handling.

uv 0.8.18 introduces numerous enhancements—including PyG torch backend support, GraalPy 25.0.0 for Python 3.12, improved conda detection, and new CLI flags—while deprecating `tool.uv.dev-dependencies` and fixing a range of bugs.

uv 0.8.17 introduces improved auth error handling, support for PYX_API_URL and PyTorch index URLs, along with several bug fixes and updated prebuilt binaries.

uv 0.8.16 introduces support for Android, iOS, and loongarch64 platforms, alongside enhancements to editable dependency handling and various bug fixes for authentication and build processes.

uv 0.8.15 introduces several new commands and options, adds zstandard wheel support, improves error reporting, and includes bug fixes and security updates.

uv 0.8.14 adds several new CLI flags, environment variable support, performance improvements, and numerous bug fixes while expanding managed CPython distributions.

uv 0.8.13 adds new CLI options, CUDA 12.9 support, an experimental formatter, and several bug fixes while updating Pyodide and restoring DockerHub publishing.

uv 0.8.12 adds support for Python 3.13.7, improves zstd performance in Python 3.14, introduces new platform targets, Docker images, and several usability enhancements while fixing a handful of bugs.

uv 0.8.11 adds Python 3.14 support, Debian 13 Docker images, extra build dependency hints, custom reqwest client support in the Rust API, and includes several bug fixes and enhancements.

uv 0.8.10 adds Pyodide installation support and relaxes Python request segment requirements, with warnings for conflicting modules moved to preview.

uv 0.8.9 introduces a new `--reinstall` flag for `uv python upgrade` and includes several bug fixes such as improved cache key handling, correct bin link creation, and proxy support on macOS/Windows.

uv 0.8.8 includes a bug fix improving find_uv_bin compatibility with Python <3.10.

uv 0.8.7 adds several enhancements to `find_uv_bin`, introduces new environment variables, and fixes bugs around hash requirements and environment overlays, while deprecating the Tix extension on Linux.

uv 0.8.6 introduces strict ZIP validation to mitigate parser‑confusion attacks, adds CPython 3.13.6 support, per‑project build‑time env vars, and several bug fixes and enhancements.

uv 0.8.5 adds several enhancements such as Gist support for `uv run`, improved caching logs, wheel tag hints, and extra executable installation, along with preview features for extra build dependencies. It also includes numerous bug fixes and updated documentation.

uv 0.8.4 introduces several enhancements such as improved warning styling, expanded wheel filtering for Android, and new configuration options, along with preview support for extra build dependencies and split preview flags. It also fixes lockfile handling, entrypoint shebang copying, wheel permissions, and uv.toml validation.

uv 0.8.3 adds CPython 3.14 rc1 support, allows custom entrypoint names in `uv_build`, and publishes riscv64 wheels, while fixing several credential and concurrency issues.

uv 0.8.2 adds derivation chains for dependency errors, a new UV_INIT_BUILD_BACKEND env var, and exposes tls_built_in_root_certs, while fixing several bugs related to environment scanning, virtual environment cleanup, and pyproject.toml handling.

uv 0.8.1 adds numerous enhancements such as HF_TOKEN support, new config‑settings handling, and Windows improvements, while fixing bugs around virtual environment removal and HTTP handling.

uv 0.7.x introduces stable Python executable installation, Windows Registry registration, safer venv removal, stricter interpreter preference enforcement, and automatic packaging of path and workspace dependencies, while updating the default manylinux target and removing the version fallback.

uv 0.7.22 upgrades GraalPy, adds several new environment variables and preview features, and includes a handful of bug fixes and documentation updates.

uv 0.7.21 adds new CLI options, improves cache‑key handling, introduces a JSON output preview for sync, and fixes a Python‑version resolution bug.

uv 0.7.20 adds new runtimes (Python 3.14 beta, PyPy 7.3.20), several CLI enhancements, Rust API improvements, and a handful of bug fixes.