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Test on Python 3.15 #5101

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29b743d
Test on Python 3.15
cobaltt7 Apr 15, 2026
99fcd4a
Update CHANGES.md
cobaltt7 Apr 15, 2026
bf34ac9
Merge branch 'main' into test-on-315
cobaltt7 May 11, 2026
3c917c7
Merge branch 'main' into test-on-315
cobaltt7 May 16, 2026
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3 changes: 1 addition & 2 deletions .github/workflows/fuzz.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,7 @@ jobs:
strategy:
fail-fast: false
matrix:
# TODO: add 3.15; relies on libcst which doesn't support 3.15 yet
python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "3.15"]

steps:
- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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2 changes: 1 addition & 1 deletion .github/workflows/pypi_upload.yml
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Expand Up @@ -55,7 +55,7 @@ jobs:
run: |
{
CIBW_BUILD="cp310-*" cibuildwheel --print-build-identifiers --platform linux | pyp 'json.dumps({"only": x, "os": "ubuntu-latest"})'
CIBW_BUILD="cp314-*" cibuildwheel --print-build-identifiers --platform windows | pyp 'json.dumps({"only": x, "os": "windows-latest"})'
CIBW_BUILD="cp315-*" cibuildwheel --print-build-identifiers --platform windows | pyp 'json.dumps({"only": x, "os": "windows-latest"})'
} | pyp 'json.dumps(list(map(json.loads, lines)))' > /tmp/matrix
env:
CIBW_ARCHS_LINUX: x86_64
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6 changes: 4 additions & 2 deletions CHANGES.md
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Expand Up @@ -9,6 +9,10 @@

<!-- Include any especially major or disruptive changes here -->

- Python 3.15 support (#5101)
- Add support for unpacking in comprehensions (PEP 798) and for lazy imports (PEP 810),
both new syntactic features in Python 3.15 (#5048)

### Stable style

<!-- Changes that affect Black's stable style -->
Expand All @@ -18,8 +22,6 @@
- Fix `# fmt: skip` being ignored in nested `if` expressions with parenthesized `in`
clauses (#4903)
- Fix crash when an f-string follows a `# fmt: off` comment inside brackets (#5097)
- Add support for unpacking in comprehensions (PEP 798) and for lazy imports (PEP 810),
both new syntactic features in Python 3.15 (#5048)

### Preview style

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1 change: 1 addition & 0 deletions plugin/black.vim
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Expand Up @@ -86,6 +86,7 @@ function BlackComplete(ArgLead, CmdLine, CursorPos)
\ 'target_version=py312',
\ 'target_version=py313',
\ 'target_version=py314',
\ 'target_version=py315',
\ ]
endfunction

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1 change: 0 additions & 1 deletion tests/util.py
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Expand Up @@ -34,7 +34,6 @@
TargetVersion.PY37,
TargetVersion.PY38,
TargetVersion.PY39,
TargetVersion.PY315,
}

DEFAULT_MODE = black.Mode()
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