uv Releases

Sep 9, 2026

This release focuses on significant performance improvements for package installation and local wheel handling, alongside enhancements to hash verification and artifact management. It introduces new features for `pylock.toml` compliance and expands support for PowerShell virtual environments on UNC paths.

Sep 8, 2026

This release focuses on improving the security and reliability of publishing workflows, optimizing performance for locking large workspaces, and refining the handling of `exclude-newer` package settings.

Sep 4, 2026

This release adds support for CPython 3.15.0rc2, introduces new command-line flags to override locked modes, optimizes cold wheel installation performance, and fixes several security and concurrency bugs.

Sep 1, 2026

This release focuses on performance optimizations, particularly for the content-addressed cache and dependency resolution, alongside bug fixes for hashing, Azure storage, and workspace discovery.

Aug 31, 2026

Released on 2026-08-27, this update expands cross-platform support to include s390x, ppc64le, and loongarch64 Linux targets, introduces a content-addressed cache preview, and removes legacy pyx features.

Aug 27, 2026

Released on 2026-08-25, this release significantly boosts performance by enabling Profile-Guided Optimization (PGO) across all major platforms and updates dependencies including Rust and CPython.

Aug 25, 2026

Released on 2026-08-14, this update adds newer Python versions (3.10.21, 3.11.16, 3.12.14) and introduces preview features for package index selection by name and enhanced SBOM exports.

Aug 14, 2026

Released on 2026-08-13, this release focuses on security enhancements with post-quantum key exchange support, improved error reporting for noncompliant requirements, and performance optimizations for resolution and parsing.

Aug 13, 2026

Released on 2026-08-07, this update adds support for CPython 3.13.15 and introduces new preview features for output formatting and workspace metadata handling to reduce memory usage.

Aug 7, 2026

This release adds support for Python 3.15.0rc1 and 3.14.7, along with performance optimizations for parsing lockfiles and compiling bytecode. It introduces a preview feature for auditing installed tools and a new environment variable for controlling open file limits.

Aug 5, 2026

This release introduces new notification providers including Plivo SMS and Ooredoo, adds an NTP monitor type, and enhances monitoring capabilities with DDoS detection and PM2 support. Various bug fixes and dependency updates were also included.

Aug 1, 2026

This release introduces package-specific pre-release policies and support for local HTML files as flat indexes. It also adds Xonsh virtual environment activation scripts and improves performance for lockfile parsing and hashing on specific platforms.

Jul 31, 2026

A major release released on July 28, 2026, that stabilizes default project initialization with build systems and enforces stricter security and compatibility rules, including rejecting legacy package formats and interpreter-replacing wheels.

Jul 28, 2026

Released on July 28, 2026, this release focuses on optimizing binary size and Pyodide installation formats, while introducing preview features for script checking, malware scanning, and lockfile metadata handling.

Jul 28, 2026

Released on July 23, 2026, this update introduces preview features for `uv check` and `uv lock` regarding package selection and lockfile format validation, alongside performance optimizations for dependency conflict resolution.

Jul 23, 2026

Enhances workspace management capabilities by allowing cross-workspace references and supports centralized environments via `.venv` files, along with security and configuration updates.

Jul 22, 2026

A UI update for the desktop application that simplifies the chat transcript by removing redundant status text and icons from the 'Thinking' section.

Jul 22, 2026

A meta-release (latest.json) used to back the desktop app's auto-updater, pointing to the newest desktop-vX.Y.Z release.

Jul 22, 2026

The first public release of the Cline Code desktop app for macOS, featuring automatic background updates and a one-click restart mechanism.

Jul 22, 2026