Latest Ruff version: 0.15.18
The current stable version of Ruff is 0.15.18.
Stable release
0.15.18Release date: 2026-06-18. Source verified: 2026-06-23. Source: Ruff GitHub releases.
Fast Python linter and formatter written in Rust.
Choose the right Ruff downloadSource-backed version details
Catalog source
Ruff GitHub releases
Verification status
Source verified: 2026-06-23.
Release date
Release date: 2026-06-18.
Category
Development Tools
Ruff latest-version FAQ
What is the latest version of Ruff?
The latest verified stable version of Ruff is 0.15.18. The release date in the catalog is 2026-06-18.
Where should I verify Ruff releases?
Use Ruff GitHub releases or the official Ruff website before critical installs. What-Version links to official sources and does not mirror installers.
Where do I download Ruff?
Use the official Ruff download page to choose the right build for macOS, Windows, Linux, iOS, or Android when one is verified.