# Ruff v0.16.0

DevFeed: [Ruff v0.16.0](<https://devfeed.tech/articles/ruff-v0-16-0-82902.md>)

Original publisher: [Read original article](<https://astral.sh/blog/ruff-v0.16.0>)

Author: brent@astral.sh (Brent Westbrook)

Published: 2026-07-23T00:00:00Z

Content type: release

Language: en

Sources: [Astral](<https://devfeed.tech/sources/astral.md>)

Topics: [CI/CD](<https://devfeed.tech/topics/cicd.md>)

Tags: [added](<https://devfeed.tech/tags/added.md>), [ci](<https://devfeed.tech/tags/ci.md>), [has](<https://devfeed.tech/tags/has.md>), [ruff](<https://devfeed.tech/tags/ruff.md>), [stable](<https://devfeed.tech/tags/stable.md>), [version](<https://devfeed.tech/tags/version.md>)

## AI overview

Ruff v0.16 expands the default enabled lint rules from 59 to 413, adds formatting for Python code blocks in Markdown, introduces new suppression comments, and shows available fixes in check and format output. The release also includes stabilized rules and behavior, along with a small breaking change to JSON diagnostic fields that may now be null.

## Source excerpt

The next stable version of Ruff is out now.