v24.10.0

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Highlights

• Black is now officially tested with Python 3.13 and provides Python 3.13
  mypyc-compiled wheels. (#​4436) (#​4449)
• Black will issue an error when used with Python 3.12.5, due to an upstream memory
  safety issue in Python 3.12.5 that can cause Black's AST safety checks to fail. Please
  use Python 3.12.6 or Python 3.12.4 instead. (#​4447)
• Black no longer supports running with Python 3.8 (#​4452)

Stable style

• Fix crashes involving comments in parenthesised return types or X | Y style unions.
  (#​4453)
• Fix skipping Jupyter cells with unknown %% magic (#​4462)

Preview style

• Fix type annotation spacing between * and more complex type variable tuple (i.e. def fn(*args: *tuple[*Ts, T]) -> None: pass) (#​4440)

Caching

• Fix bug where the cache was shared between runs with and without --unstable (#​4466)

Packaging

• Upgrade version of mypyc used to 1.12 beta (#​4450) (#​4449)
• blackd now requires a newer version of aiohttp. (#​4451)

Output

• Added Python target version information on parse error (#​4378)
• Add information about Black version to internal error messages (#​4457)

v1.13.0

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Features

• add support for Python 3.13 (#​1177) (6e6a1c8)
• drop support for Python 3.8 (#​1176) (10c9172)
• improve key for connector cache (#​1172) (066c14e)

Bug Fixes

• remove ConnectorLoopError from connector.connect (#​1170) (a348659)

v1.13.0

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v1.12.1

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• Fix crash when showing partially analyzed type in error message (Ivan Levkivskyi, PR 17961)
• Fix iteration over union (when self type is involved) (Shantanu, PR 17976)
• Fix type object with type var default in union context (Jukka Lehtosalo, PR 17991)
• Revert change to os.path stubs affecting use of os.PathLike[Any] (Shantanu, PR 17995)

v1.12.0

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