Popular: Data updated October 27, 2026

Categories

Internet1,356
Communication321
Audio & video898
Graphics & design539
Office & productivity1,124
Developer tools3,134
AI tools529
Security & privacy385
System tools3,114
Games523
Education & science239
Network & IT284

Ruff 0.8.3 download

An extremely fast Python linter, written in Rust.

Astral Languages & SDKs #42 Languages & SDKs
This is an older version. The current version is 0.17.1. Ruff 0.17.1 · Released:

Installer files 0.8.3

ArchitectureTypeScopeFile sizeDownloadSHA256
64-bit ZIP → Portable — — github.com VirusTotal
ARM64 ZIP → Portable — — github.com VirusTotal
32-bit ZIP → Portable — — github.com VirusTotal

Link and SHA256 come from the Windows Package Manager community manifest. Compare the hash of the downloaded file before running it.

Release notes

Preview features
- Fix fstring formatting removing overlong implicit concatenated string in expression part (#14811)
- [airflow] Add fix to remove deprecated keyword arguments (AIR302) (#14887)
- [airflow]: Extend rule to include deprecated names for Airflow 3.0 (AIR302) (#14765 and #14804)
- [flake8-bugbear] Improve error messages for `except*` (B025, B029, B030, B904) (#14815)
- [flake8-bugbear] `itertools.batched()` without explicit `strict` (B911) (#14408)
- [flake8-use-pathlib] Dotless suffix passed to `Path.with_suffix()` (PTH210) (#14779)
- [pylint] Include parentheses and multiple comparators in check for `boolean-chained-comparison` (PLR1716) (#14781)
- [ruff] Do not simplify `round()` calls (RUF046) (#14832)
- [ruff] Don't emit `used-dummy-variable` on function parameters (RUF052) (#14818)
- [ruff] Implement `if-key-in-dict-del` (RUF051) (#14553)
- [ruff] Mark autofix for RUF052 as always unsafe (#14824)
- [ruff] Teach autofix for `used-dummy-variable` about TypeVars etc. (RUF052) (#14819)

Rule changes
- [flake8-bugbear] Offer unsafe autofix for `no-explicit-stacklevel` (B028) (#14829)
- [flake8-pyi] Skip all type definitions in `string-or-bytes-too-long` (PYI053) (#14797)
- [pyupgrade] Do not report when a UTF-8 comment is followed by a non-UTF-8 one (UP009) (#14728)
- [pyupgrade] Mark fixes for `convert-typed-dict-functional-to-class` and `convert-named-tuple-functional-to-class` as unsafe if they will remove comments (UP013, UP014) (#14842)

Bug fixes
- Raise syntax error for mixing `except` and `except*` (#14895)
- [flake8-bugbear] Fix B028 to allow `stacklevel` to be explicitly assigned as a positional argument (#14868)
- [flake8-bugbear] Skip B028 if `warnings.warn` is called with `*args` or `**kwargs` (#14870)
- [flake8-comprehensions] Skip iterables with named expressions in `unnecessary-map` (C417) (#14827)
- [flake8-pyi] Also remove `self` and `cls`'s annotation (PYI034) (#14801)
- [flake8-pytest-style] Fix `pytest-parametrize-names-wrong-type` (PT006) to edit both `argnames` and `argvalues` if both of them are single-element tuples/lists (#14699)
- [perflint] Improve autofix for PERF401 (#14369)
- [pylint] Fix PLW1508 false positive for default string created via a mult operation (#14841)

https://github.com/astral-sh/ruff/releases/tag/0.8.3

Most popular in Languages & SDKs

See all
  1. Go Programming LanguageAn open source programming language that makes it simple to build secure, scalable systems.
  2. LLVMA collection of modular and reusable compiler and toolchain technologies.
  3. DenoA modern runtime for JavaScript and TypeScript
  4. CMakeCMake is a cross-platform, open-source build system generator.
  5. YarnYarn is a package manager that doubles down as project manager. Whether you work on one-shot projects or large monorepos, as a hobbyist or an enterprise user, we've got you covered.
  6. CcacheCcache is a compiler cache. It speeds up recompilation by caching previous compilations and detecting when the same compilation is being done again.
  7. sbtA build tool for Scala, Java, and more
  8. BOINCOpen-source software for volunteer computing and grid computing.
  9. Dart SDKA set of tools and libraries for the Dart programming language.
  10. NVM for WindowsA node.js version management utility for Windows. Ironically written in Go.

Tags

Share