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RUFF V0.16.0 EXPANDS DEFAULT RULES TO 413

INDUSTRY DESK1 MIN READ
MON, JUL 27, 2026

■ AI-SUMMARIZED FROM 1 SOURCE ▸ TIMELINE

Ruff, the Python linter written in Rust, released v0.16.0 with a major expansion of its default rule set from 59 to 413 rules. The update significantly enhances the tool's built-in linting capabilities.

The latest version introduces comprehensive coverage across multiple rule categories, enabling stricter code quality checks without requiring additional configuration. Ruff, known for its speed and minimal setup requirements, now provides developers with extensive linting options out of the box. The expansion reflects the project's push toward becoming a more complete linting solution comparable to traditional tools like flake8 and pylint, while maintaining Ruff's performance advantages. The rule increase covers various aspects of Python code analysis, from style conventions to potential bugs and complexity issues. The update maintains backward compatibility while giving users the option to adopt new rules selectively. Ruff continues to focus on developer experience through fast execution and clear error messages. Details available at astral.sh/blog/ruff-v0.16.0

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