Ruff v0.16.0 – Significant new updates – 413 default rules up from 59

Ruff v0.16.0 has been released with a major update that expands its default rule set from 59 to 413 rules, enabling detection of severe issues like syntax errors and runtime errors without requiring configuration. The release also introduces new features including the ability to format Python code blocks in Markdown files and Quarto notebooks. Ruff is a fast Python linter and formatter written in Rust that can replace multiple tools like Black, Flake8, and isort while executing significantly faster.