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⬆️ Update dependency ruff to v0.16.4 - #445

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⬆️ Update dependency ruff to v0.16.4#445
renovate[bot] wants to merge 1 commit into
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renovate/ruff-0.x

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This PR contains the following updates:

PackageChangeAgeAdoptionPassingConfidence
ruff (source, changelog)0.15.220.16.4ageadoptionpassingconfidence

Release Notes

astral-sh/ruff (ruff)

v0.16.4

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Released on 2026-08-20.

Preview features
  • [flake8-use-pathlib] Add autofix for PTH116 (#​26460)
  • [refurb] Restrict delete-full-slice to lists (FURB131) (#​27711)
  • [refurb] Skip FURB101 and FURB103 when the open argument is a file descriptor (#​27643)
Bug fixes
  • Fix InvalidInstruction on Windows CPUs that do not support POPCNT (#​27803)
  • [pyflakes] Emit semantic syntax errors in string type definitions as F722 (#​27835)
  • [pylint] Allow os._exit imports in import-private-name (PLC2701) (#​27738)
Rule changes
  • [syntax-errors] Align mixed t-string/bytes error message with CPython 3.14 (#​27766)
  • [ruff] Add ctypes.LittleEndianStructure and related types to existing exception (RUF012) (#​27753)
  • [syntax-errors] Detect duplicate keyword arguments (#​17804)
  • [syntax-errors] Detect parameters declared nonlocal (#​27628)
Server
  • Offer display-only fixes and mark safe fixes preferred (#​27807)
  • Support pull diagnostics for notebook cells (#​27779)
Documentation
  • Add default indicator to rules table (#​27724)
  • Fix broken link to Python docs (#​27757)
Other changes
  • Fix s390x stacker assembly in release builds (#​27776)
  • Guarantee minimum stack size when parsing a module, standalone expression, and suites (#​25464)
  • Reduce configuration deserialization code size (#​27924)
  • Check packed AST index bounds (#​27849)
Contributors

v0.16.3

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Released on 2026-08-13.

Preview features
  • [pylint] Fix false negatives on negative numbers (PLR6104) (#​27251)
  • [pyupgrade] Add rule to replace while 1 with while True (UP048) (#​27190)
Bug fixes
  • [flake8-bandit] Also check keyword arguments (S602, S603, S607, S609) (#​27687)
  • [pylint] Allow continue in finally on Python 3.8 (#​27626)
  • [pylint] Fix PLE1307 false positive with bools (#​27651)
  • [pylint] Fix false positives and negatives with %b format character (PLE1300, PLE1307) (#​27560)
  • [pylint] Improve handling of concatenated strings (PLE1300) (#​27659)
Rule changes
  • [numpy] Make np.chararray autofix backwards-compatible (NPY201) (#​27527)
Performance
  • Enable PGO for Linux x86-64 Ruff releases (#​27570)
  • Enable PGO for Linux ARM64 Ruff releases (#​27574)
  • Enable PGO for Windows x86-64 Ruff releases (#​27573)
  • Enable PGO for macOS ARM64 Ruff releases (#​27572)
  • Reduce Expr size to 64 bytes (#​27591)
CLI
  • Hyperlink rule codes in ruff check --statistics output (#​27646)
Documentation
  • [ruff] Also suggest asyncio.TaskGroup (RUF006) (#​27461)
Other changes
Contributors

v0.16.2

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Released on 2026-08-06.

Bug fixes
  • [flake8-pyi] Avoid false positives on singledispatch functions (PYI041) (#​27335)
Server
  • Register formatting capabilities dynamically to exclude TOML files (#​27332)
Contributors

v0.16.1

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Released on 2026-07-30.

Preview features
  • Add an option to opt out of human-readable names (#​27160)
  • [flake8-pytest-style] Make fixes safe by default and unsafe only when comments are present (PT018) (#​27201)
  • [pyupgrade] Skip fix when a defaulted TypeVar precedes a non-defaulted one (UP040, UP046, UP047) (#​27133)
  • [ruff] Fix false positive with unpacked arguments (RUF065) (#​26959)
Bug fixes
  • Bump gen-lsp-types to gracefully handle unknown enumeration values in LSP messages (#​27230)
  • [flake8-bugbear] Mark range as immutable (B008) (#​27247)
  • [flake8-comprehensions] NFKC-normalize keyword names in C408 fix (#​26813)
  • [flake8-return] Fix false positive when variable is read in finally clause (RET504) (#​25441)
  • [pydocstyle] Skip section detection inside RST directive bodies (D214, D405, D413) (#​23635)
  • [refurb] Parenthesize yield arguments in the FURB192 fix (#​27192)
Rule changes
  • [flake8-pytest-style] Mark PT022 fixes as unsafe (#​26440)
  • [refurb] Mark fixes that remove unknown separators as unsafe (FURB105) (#​27200)
Server
  • Fix indexing of excluded nested Ruff workspaces (#​27303)
  • Lint TOML files in the LSP (#​26862)
Documentation
  • Cover pycon Markdown formatting (#​27153)
  • [flake8-bandit] Document TYPE_CHECKING exception (S101) (#​27004)
  • [flake8-import-conventions] Document that extend-aliases can override default aliases (#​27191)
  • [pylint] Add missing fix safety gotchas for non-augmented-assignment (PLR6104) (#​27250)
Other changes
  • Reduce syntax error noise by swallowing dedents like indents (#​27170)
  • Vendor latest annotate-snippets (#​27033)
Contributors

v0.16.0

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Released on 2026-07-23.

Check out the blog post for a migration
guide and overview of the changes!

Breaking changes
  • Ruff now enables a much larger set of rules by default (413, up from 59). See the blog post for
    more details and the new Default Rules page for a
    full listing of the enabled rules.

  • Ruff can now format Python code blocks in Markdown files and will do this by default. See the
    documentation for more details.

  • Ruff now supports ruff: ignore comments at the ends of lines, like noqa comments, or on the line preceding a diagnostic. For example, these both suppress an unused-import (F401) diagnostic:

    importmath# ruff: ignore[F401]# ruff: ignore[F401]importos
  • Fixes are now shown in check and format --check output:

    ruff format --check .unformatted: File would be reformatted --> try.md:1:1 |1 | ```python - import math2 + import math3 | ``` |1 file would be reformatted

    This example also shows off the Markdown formatting.

  • format --check now supports the same output formats as the linter, including the github and
    gitlab outputs for rendering annotations in CI:

    ruff format --check --output-format github .::error title=ruff (unformatted),file=try.md,line=2,col=8,endLine=2,endColumn=10::try.md:2:8: unformatted: File would be reformatted

    See the CLI help or documentation for the
    full list of supported formats.

  • The filename, location, end_location, fix.edits[].location, and fix.edits[].end_location
    fields in the JSON output format may now be null rather than defaulting to the empty string and
    row 1, column 1, respectively.

Stabilization

The following rules have been stabilized and are no longer in preview:

The following behaviors have been stabilized:

Preview features
  • [pyupgrade] Fix false positive with TypeVar default before Python 3.13 (UP040) (#​26888)
Bug fixes
  • [ruff] Fix missing check on unrecognized early bound (RUF016) (#​26986)
Rule changes
  • Insert a space after the colon in Ruff suppression comments (#​27123)
Performance
  • [pyupgrade] Speed up unnecessary-future-import (UP010) (#​27047)
Documentation
  • [ruff] Add missing period in "Why is this bad?" section (RUF200) (#​26930)
  • [flake8-simplify] Clarify os.environ behavior on Windows (SIM112) (#​26972)
  • [pydocstyle] Document fix safety (D400) (#​26971)
Contributors

Configuration

📅 Schedule: (UTC)

  • Branch creation
    • "before 2am"
  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Enabled.

Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovaterenovateBot added dependencies Upgrade or downgrade of project dependencies. no-stale This issue or PR is exempted from the stable bot. python labels Jul 26, 2026
@renovate
renovateBotforce-pushed the renovate/ruff-0.x branch 4 times, most recently from 141fd8f to d2105f8CompareJuly 30, 2026 11:05
@renovaterenovateBot changed the title ⬆️ Update dependency ruff to v0.16.0⬆️ Update dependency ruff to v0.16.1Jul 30, 2026
@renovate
renovateBotforce-pushed the renovate/ruff-0.x branch 8 times, most recently from e3b68ae to 2681943CompareAugust 4, 2026 10:39
@renovate
renovateBotforce-pushed the renovate/ruff-0.x branch 2 times, most recently from 4912099 to 11d488eCompareAugust 7, 2026 17:43
@renovaterenovateBot changed the title ⬆️ Update dependency ruff to v0.16.1⬆️ Update dependency ruff to v0.16.2Aug 7, 2026
@renovate
renovateBotforce-pushed the renovate/ruff-0.x branch 4 times, most recently from b3bd90f to f3c7f7cCompareAugust 13, 2026 17:16
@renovaterenovateBot changed the title ⬆️ Update dependency ruff to v0.16.2⬆️ Update dependency ruff to v0.16.3Aug 13, 2026
@renovate
renovateBotforce-pushed the renovate/ruff-0.x branch 4 times, most recently from 477a324 to be77ec3CompareAugust 20, 2026 09:14
@renovate
renovateBotforce-pushed the renovate/ruff-0.x branch from be77ec3 to 8f7ab39CompareAugust 20, 2026 19:29
@renovaterenovateBot changed the title ⬆️ Update dependency ruff to v0.16.3⬆️ Update dependency ruff to v0.16.4Aug 20, 2026
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