●Change8

Migrating to Ruff 0.14.0

Version 0.14.0 introduces 1 breaking change. This guide details how to update your code.

Released: 10/7/2025

1
Breaking Changes
2
Migration Steps
12
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

B006FURB101FURB103FA102ANN201ANN202ANN204ANN205ANN206FLY002I002RUF051

Breaking Changes

●Issue #1

Default and latest supported Python version updated to 3.14; update CI pipelines, virtual environments, and Docker images to use Python >=3.14 to avoid compatibility issues.

Migration Steps

  1. 1
    Update CI pipelines, Docker images, and local development environments to use Python 3.14 or newer.
  2. 2
    Verify that any custom tooling relying on the previous default Python version is compatible with Python 3.14.

Release Summary

Ruff 0.14.0 updates the default Python target to 3.14, adds several preview rule enhancements, and includes numerous bug fixes across flake8‑annotations, flynt, isort, and Ruff itself.

Need More Details?

View the full release notes and all changes for Ruff 0.14.0.

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