Black

Black introduces a preview of the 2026 stable style with several new formatting options and bug fixes, while remaining backward compatible.

Black 25.12.0 drops Python 3.9 support, adds several bug fixes, introduces draft 2026 style, and enhances packaging and GitHub Action integration.

Black 24.x introduces Python 3.14 support, new formatting options, arm64 binaries, and a BlackD client, while fixing several comment and Vim‑related bugs.

This release drops support for Python <3.7, adds several new formatting capabilities and performance improvements, and fixes numerous crashes and edge‑case bugs.

The 2025 stable style release adds numerous formatting refinements, new features like generic function definition handling and license metadata, performance improvements, and several bug fixes across stable, preview, and integration components.