Release Notes

Released on 2025-10-07.

Breaking changes

• Update default and latest Python versions for 3.14 (#20725)

Preview features

• [flake8-bugbear] Include certain guaranteed-mutable expressions: tuples, generators, and assignment expressions (B006) (#20024)
• [refurb] Add fixes for FURB101 and FURB103 (#20520)
• [ruff] Extend FA102 with listed PEP 585-compatible APIs (#20659)

Bug fixes

• [flake8-annotations] Fix return type annotations to handle shadowed builtin symbols (ANN201, ANN202, ANN204, ANN205, ANN206) (#20612)
• [flynt] Fix f-string quoting for mixed quote joiners (FLY002) (#20662)
• [isort] Fix inserting required imports before future imports (I002) (#20676)
• [ruff] Handle argfile expansion errors gracefully (#20691)
• [ruff] Skip RUF051 if else/elif block is present (#20705)
• [ruff] Improve handling of intermixed comments inside from-imports (#20561)

Documentation

• [flake8-comprehensions] Clarify fix safety documentation (C413) (#20640)

Contributors

• @danparizher
• @terror
• @TaKO8Ki
• @ntBre
• @njhearp
• @amyreese
• @IDrokin117
• @chirizxc

Install ruff 0.14.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ruff/releases/download/0.14.0/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/ruff/releases/download/0.14.0/ruff-installer.ps1 | iex"

Download ruff 0.14.0