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

Jul 26, 2026 · 9:01 AM UTC ·5 min read · 0 reactions · 0 comments · 39 views

#ruff #significant #updates #default #rules

TL;DR · WeSearch summary

Install it from PyPI, or with your package manager of choice: uv tool install ruff@latest As a reminder: Ruff is an extremely fast Python linter and formatter, written in Rust. Ruff can be used to replace Black, Flake8 (plus dozens of plugins), isort, pydocstyle, pyupgrade, and more, all while executing tens or hundreds of times faster than any individual tool. Migrating to v0.16 # Ruff v0.16 has a small number of breaking changes, allowing most users to update without significant changes to code or configuration.

Key facts

▪Install it from PyPI, or with your package manager of choice: uv tool install ruff@latest As a reminder: Ruff is an extremely fast Python linter and formatter, written in Rust.
▪Ruff can be used to replace Black, Flake8 (plus dozens of plugins), isort, pydocstyle, pyupgrade, and more, all while executing tens or hundreds of times faster than any individual tool.
▪Migrating to v0.16 # Ruff v0.16 has a small number of breaking changes, allowing most users to update without significant changes to code or configuration.

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Original article

Astral

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Story provenance

Source · retrieval · rights · ranking — open for full record

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Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.

Record

Original publisher	Astral
Canonical URL	https://astral.sh/blog/ruff-v0.16.0
Publication time	Sun, 26 Jul 2026 09:01:39 +0000
Retrieval time	2026-07-26T09:41:42.524Z
Last seen	2026-07-26T09:41:42.524Z
Headline source	Publisher (no WeSearch rewrite)
Excerpt source	publisher body
Excerpt method	First ~120 words (~800 chars) of extracted publisher body, fair-use limited.
Summary	WeSearch · cerebras-chat (WeSearch summarizer)
Summary source text	contentText
Citation coverage	Summary is a WeSearch-generated derivative; primary citation is the original publisher URL.
Cluster	IbA-hGKZAP1w
Cluster logic	Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison.
Ranking reason	Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking.
Publisher visit	Yes — open original
Substitutes article?	No — link-out required for full text

Rights status (four layers)

Publisher-declared

No publisher-confirmed rights record for this source yet.

Machine-readable

No source-specific machine-readable restriction detected beyond the public feed.

WeSearch interpretation

WeSearch declared handling (basis: Derived from the published RSS/Atom feed). This is WeSearch policy, not a legal grant on the publisher's behalf.

Unknown

Retrieval and training permissions are not asserted unless the publisher confirms them.

WeSearch handling by dimension

Indexing	May the item be indexed (stored, ranked, made findable)?	Allowed
Snippet	May a short excerpt of the publisher's text be shown?	Allowed
AI summary	May WeSearch generate its own short summary of the article?	Limited
Retrieval / RAG	May the content be exposed for third-party retrieval-augmented generation?	Not asserted
Model training	May the content be used to train AI models?	Not asserted
Commercial reuse	May the content be reused commercially?	Not permitted

Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

Open original publisher → Source rights JSON → Machine-readable provenance → Rights framework → WESEARCH-STORY-PROVENANCE-V1

Opening excerpt (first ~120 words) tap to expand

Ruff v0.16.0 is available now! Install it from PyPI, or with your package manager of choice: uv tool install ruff@latest As a reminder: Ruff is an extremely fast Python linter and formatter, written in Rust. Ruff can be used to replace Black, Flake8 (plus dozens of plugins), isort, pydocstyle, pyupgrade, and more, all while executing tens or hundreds of times faster than any individual tool. Migrating to v0.16 # Ruff v0.16 has a small number of breaking changes, allowing most users to update without significant changes to code or configuration. The main exception is described below. Better default rule set # Ruff now enables 413 rules by default, up from 59 in previous versions.

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Excerpt limited to ~120 words for fair-use compliance. The full article is at Astral.

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