Uv 0.12 Python Package Manager: Astral's Speed Demon Gets Smarter and Safer
Uv 0.12.0, released July 28, 2026 by Astral, is the most significant update yet for the Rust-based Python package manager that has taken the Python community by storm. With over 14 breaking changes, stricter security validation, a new default src/ project layout, and continued 10-100x speed advantages over pip, uv 0.12.0 marks a clear transition from experimental speed demon to production-grade package management tool. What is uv? — The All-in-One Python Package Manager Uv is a unified Python package and project manager written in Rust by Astral, the same company behind the Ruff linter. First released on October 2, 2023, uv has rapidly grown to replace an entire ecosystem of Python tooling: pip, pip-tools, pipx, poetry, pyenv, and virtualenv — all in a single binary. As of July 2026, uv has amassed 88,036 stars on GitHub with 3,406 forks, making it one of the most popular Python tools ever created. ...