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Astral Software Inc.•July 23, 2026
Astral
Featured on Blog
Open Source
Python
Developer Tools
Rust
Open Source
Featured
🔥 This release made it to our blog
Ruff v0.16.0: Default Rule Set Expansion and Markdown Support
Astral releases Ruff v0.16.0, significantly expanding the default rule set from 59 to 413 rules and introducing Python code block formatting for Markdown.
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### TL;DR
Astral develops high-performance developer tools for the Python ecosystem, written in Rust to provide exceptional speed. The suite includes Ruff for linting, uv for package management, and ty for type checking.
Key Insights & Metrics
Pricing
Free
Cost structure
Version
0.16.0
Current release version
Hardware
Not specified; compatible with standard development environments where Python and Rust tools run
Compute requirements
Category
Open Source
Licensing model
Region
United States
Primary region
Key Features
- Ruff: Extremely fast Python linter written in Rust
- uv: High-performance Python package manager
- ty: Fast Python type checker and language server
- High-speed performance optimizations often 1000x faster than legacy tools
- Permissively licensed open-source ecosystem
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