The latest uv release (0.8.13) quietly introduced an experimental new command that Python developers have been waiting for: uv format. This addition brings code formatting directly into uv’s toolkit, eliminating the need to juggle multiple tools for basic Python development workflows. What is uv format? The uv format command provides Python code formatting through uv’s interface. Under the hood, it calls Ruff’s formatter to automatically style your code according to consistent standards.