Sourced from black's releases.

25.9.0

Highlights

• Remove support for pre-python 3.7 await/async as soft keywords/variable names (#4676)

Stable style

• Fix crash while formatting a long del statement containing tuples (#4628)
• Fix crash while formatting expressions using the walrus operator in complex with statements (#4630)
• Handle # fmt: skip followed by a comment at the end of file (#4635)
• Fix crash when a tuple appears in the as clause of a with statement (#4634)
• Fix crash when tuple is used as a context manager inside a with statement (#4646)
• Fix crash when formatting a \ followed by a \r followed by a comment (#4663)
• Fix crash on a \\r\n (#4673)
• Fix crash on await ... (where ... is a literal Ellipsis) (#4676)
• Fix crash on parenthesized expression inside a type parameter bound (#4684)
• Fix crash when using line ranges excluding indented single line decorated items (#4670)

Preview style

• Fix a bug where one-liner functions/conditionals marked with # fmt: skip would still be formatted (#4552)
• Improve multiline_string_handling with ternaries and dictionaries (#4657)
• Fix a bug where string_processing would not split f-strings directly after expressions (#4680)
• Wrap the in clause of comprehensions across lines if necessary (#4699)
• Remove parentheses around multiple exception types in except and except* without as. (#4720)
• Add \r style newlines to the potential newlines to normalize file newlines both from and to (#4710)

Parser

• Rewrite tokenizer to improve performance and compliance (#4536)
• Fix bug where certain unusual expressions (e.g., lambdas) were not accepted in type parameter bounds and defaults. (#4602)

Performance

• Avoid using an extra process when running with only one worker (#4734)

Integrations

• Fix the version check in the vim file to reject Python 3.8 (#4567)
• Enhance GitHub Action psf/black to read Black version from an additional section in pyproject.toml: [project.dependency-groups] (#4606)
• Build gallery docker image with python3-slim and reduce image size (#4686)

... (truncated)

Sourced from black's changelog.

25.9.0

Highlights

• Remove support for pre-python 3.7 await/async as soft keywords/variable names (#4676)

Stable style

• Fix crash while formatting a long del statement containing tuples (#4628)
• Fix crash while formatting expressions using the walrus operator in complex with statements (#4630)
• Handle # fmt: skip followed by a comment at the end of file (#4635)
• Fix crash when a tuple appears in the as clause of a with statement (#4634)
• Fix crash when tuple is used as a context manager inside a with statement (#4646)
• Fix crash when formatting a \ followed by a \r followed by a comment (#4663)
• Fix crash on a \\r\n (#4673)
• Fix crash on await ... (where ... is a literal Ellipsis) (#4676)
• Fix crash on parenthesized expression inside a type parameter bound (#4684)
• Fix crash when using line ranges excluding indented single line decorated items (#4670)

Preview style

• Fix a bug where one-liner functions/conditionals marked with # fmt: skip would still be formatted (#4552)
• Improve multiline_string_handling with ternaries and dictionaries (#4657)
• Fix a bug where string_processing would not split f-strings directly after expressions (#4680)
• Wrap the in clause of comprehensions across lines if necessary (#4699)
• Remove parentheses around multiple exception types in except and except* without as. (#4720)
• Add \r style newlines to the potential newlines to normalize file newlines both from and to (#4710)

Parser

• Rewrite tokenizer to improve performance and compliance (#4536)
• Fix bug where certain unusual expressions (e.g., lambdas) were not accepted in type parameter bounds and defaults. (#4602)

Performance

• Avoid using an extra process when running with only one worker (#4734)

Integrations

• Fix the version check in the vim file to reject Python 3.8 (#4567)
• Enhance GitHub Action psf/black to read Black version from an additional section in pyproject.toml: [project.dependency-groups] (#4606)

... (truncated)

• af0ba72 Prepare docs for release 25.9.0 (#4751)
• ffc01a0 Fix schema generation error caused by new click version (#4750)
• 626b32f Add normalizing for \r style newlines (#4710)
• 57a4612 Fix mypy type issue (#4745)
• 4f6ad7c Wrap the in clause of comprehensions across lines if necessary (#4699)
• 24f5169 ci: Run diff-shades on unstable instead of preview (#4741)
• 4d55e60 Bump actions/setup-python from 5 to 6 (#4744)
• 0cf39ef Improve the performance of get_string_prefix (#4742)
• 1f779de Fix line ranges decorator edge case (#4670)
• 203fd6b Optimize Line string method (#4739)
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