Update dependency ruff to v0.16.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ruff (source, changelog)	==0.16.6 → ==0.16.8

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Release Notes

astral-sh/ruff (ruff)

v0.16.8

Compare Source

Released on 2026-09-16.

Bug fixes

• Visit functional TypedDict keyword arguments correctly (#​28584)
• [flake8-simplify] Detect nested async with under sync parent (SIM117) (#​27821)
• [flake8-simplify] Preserve operand order in SIM109 fix (#​27824)
• [pyupgrade] Preserve required parentheses in multiline UP040 fixes (#​28164)
• [pyupgrade] Skip TypeVarTuple and ParamSpec conversions with bounds or constraints (UP040, UP046, UP047) (#​28505)

Rule changes

• Add support for __lazy_modules__ (#​28459)
• Recognize PEP-728 TypedDict class keywords (#​28533)
• Recognize quoted types in typing.TypeForm (#​28507)
• Support conditional assignment to __lazy_modules__ (#​28491)
• [flake8-type-checking] Prefer lazy imports over TYPE_CHECKING on Python 3.15 and later (TC001, TC002, TC003) (#​28541)
• [pyupgrade] Make the fix for UP040 always unsafe (#​28526)
• [pyupgrade] Stop recommending deprecated ByteString aliases (UP035) (#​28498)
• [ruff, flake8-use-pathlib] Recognize the parent_mode argument (RUF064, PTH103) (#​28528)
• [ruff] Detect \Z in pytest.raises() match patterns (RUF043) (#​28598)

CLI

• Use rule name and code in formatter incompatibility warnings (#​28571)

Configuration

• [flake8-tidy-imports] Add extend-banned-api (#​28644)

Contributors

• @​VedantMadane
• @​alzeph
• @​charliermarsh
• @​fredrikblau
• @​ntBre
• @​zsol
• @​Aniket-a14
• @​r-b-1

v0.16.7

Compare Source

Released on 2026-09-10.

Preview features

• [ruff] Add rule for default values on method receivers (RUF077) (#​26700)
• [ruff] Recognize re.prefixmatch (RUF039, RUF055) (#​28311)

Bug fixes

• Alternate nested quotes inside format spec interpolations (#​28259)
• [flake8-implicit-str-concat] Mark fix unsafe when it creates a docstring (ISC003) (#​27981)
• [flake8-tidy-imports] Skip fixes for multi-member imports (TID254) (#​26584)
• [pylint] Gate ImportCycleError on Python 3.15 (PLW0133) (#​28310)

Rule changes

• Correct D211 and D203 rule conflict diagnostic (#​28444)
• Recognize slice and frozendict generics (#​28477)
• Stop defining __cached__ for Python 3.15 (#​28476)
• [pyupgrade] Stop recommending removed typing.no_type_check_decorator (UP035) (#​28475)

Performance

• Reuse parser name lookups when interning (#​28399)
• Speed up inherited configuration resolution (#​28299)

Documentation

• Fix line-length path in --config example (#​28392)
• Remove the "Who’s Using Ruff?" list (#​28455)

Other changes

• Embed archive checksums in the shell installer (#​28281)

Contributors

• @​The-Compiler
• @​mdiniz97
• @​zsol
• @​gorewilliams
• @​RafaelJohn9
• @​qatcod
• @​zanieb
• @​MichaReiser
• @​ntBre
• @​charliermarsh
• @​nightt5879
• @​jonathandung
• @​jogo-openai

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