---
title: "Ruff v0.0.276"
url: https://daily.dev/posts/ruff-v0-0-276-0besovuwg
source_url: https://astral.sh/blog/ruff-v0.0.276
type: article
source: "Astral"
published: 2026-03-31T12:27:02.537Z
updated: 2026-03-31T12:32:00.997Z
tags: ["python", "rust", "jupyter"]
reading_time: 9
upvotes: 0
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Ruff v0.0.276

**[Astral](https://daily.dev/sources/astral-sh)** · 9 min read · 0 upvotes · 0 comments

## Summary

Ruff v0.0.276 introduces experimental Jupyter Notebook linting support, a first-class import resolver based on Pyright's resolver, and several new performance-oriented lint rules from the perflint family (PERF101, PERF203, PERF401, PERF402). New rules also cover NumPy deprecated functions (NPY003), Python stub file correctness (PYI002-PYI005), and single-string __slots__ assignments (PLC0205). The release also includes numerous bug fixes across various rule categories.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://astral.sh/blog/ruff-v0.0.276>

---

Tags: [#python](https://daily.dev/tags/python), [#rust](https://daily.dev/tags/rust), [#jupyter](https://daily.dev/tags/jupyter)

[View this post on daily.dev](https://daily.dev/posts/ruff-v0-0-276-0besovuwg)