What's Changed

Breaking Changes

• Assume Python 3.8 instead of 3.10 for target version by @zanieb in #6397

Rules

• [flake8-pyi] PYI019: Detects if a type variable is used instead of Self in return annotations by @qdegraaf in #6204
• [flake8-pyi] PYI051: Detects unions of Literal types by @LaBatata101 in #6215
• [flake8-pyi] PYI055: Detects unions of types by @LaBatata101 in #6316
• [pylint] E1300: Detects invalid string format characters by @silvanocerza in #6171
• [pyupgrade] UP040: Upgrades type alias annotations to use PEP-695 syntax by @zanieb in #6289

Rule Changes

• [flake8-boolean-trap] FBT003: Add is_ and is_not to excluded functions by @zanieb in #6307
• [flake8-logging-format] Allow capitalized names for logger candidate heuristic match by @charliermarsh in #6356
• [flake8-pyi] Applicable rules are now checked non-stub code by @andersk in #6297
  • PYI013: ellipsis-in-non-empty-class-body
  • PYI016: duplicate-union-member
  • PYI018: unused-private-type-var
  • PYI019: custom-type-var-return-type
  • PYI024: collections-named-tuple
  • PYI025: unaliased-collections-abc-set-import
  • PYI030: unnecessary-literal-union
  • PYI032: any-eq-ne-annotation
  • PYI034: non-self-return-type
  • PYI036: bad-exit-annotation
  • PYI041: redundant-numeric-union
  • PYI042: snake-case-type-alias
  • PYI043: t-suffixed-type-alias
  • PYI045: iter-method-return-iterable
  • PYI046: unused-private-protocol
  • PYI047: unused-private-type-alias
  • PYI049: unused-private-typed-dict
  • PYI050: no-return-argument-annotation-in-stub (Python ≥ 3.11)
  • PYI051: redundant-literal-union
  • PYI056: unsupported-method-call-on-all
• [flake8-pyi] PYI027 is being replaced by PYI022 / UP035 by @LaBatata101 in #6354
• [pydocstyle] D103: Don't require docstrings in .pyi files by @charliermarsh in #6239
• [pydocstyle] D203: Ignore same-line docstrings for lines-before and lines-after rules by @charliermarsh in #6344
• [pylint] PLE0605: Allow generic tuple and list calls in __all__ by @charliermarsh in #6247
• [pylint] PLR0124: Add detection of comparisons with built-in calls by @charliermarsh in #6324
• [pyupgrade] UP032: Add support for await expressions in f-strings by @harupy in #6304
• [pyupgrade] UP032: Add support for implicitly concatenated strings by @harupy in #6263
• [pyupgrade] UP032: Add support for repeated format fields by @harupy in #6266
• [ruff] RUF012: Permit ClassVar and Final without subscript by @bluetech in #6273

Bug Fixes

• [flake8-bugbear] B006: Respect typing_extensions imports of Annotated by @PIG208 in #6361
• [flake8-pyi] PYI019: Fix panic with positional-only arguments by @charliermarsh in #6350
• [flake8-use-pathlib] Avoid raising PTH206 with maxsplit by @charliermarsh in #6283
• [flake8] F841: Update autofix to not remove Jupyer magic expressions by @dhruvmanila in #6141
• [pycodestyle] E721: Include comparisons to builtin types by @charliermarsh in #6325
• [pycodestyle] E721: Match left-hand side types() call in types-comparison by @charliermarsh in #6326
• [pyupgrade] UP031: Avoid auto-fixing if there are comments within the right-hand side by @harupy in #6364
• [pyupgrade] UP032: Avoid auto-fixing if comments are present around format call arguments by @harupy in #6342
• [pyupgrade] UP032: Improve invalid expression check by @harupy in #6308
• Avoid attempting to fix .format(...) calls with too-few-arguments by @charliermarsh in #6401
• Fix bug where .gitignore files in parent directories were incorrectly used by @charliermarsh in #6368
• Fix duplicate violations raised on nested bitwise or Union expressions by @charliermarsh in #6399

Playground

• Add a simple tooltip to the sidebar by @charliermarsh in #6295
• Add an icon for FIR by @charliermarsh in #6292
• Increase icon opacity on-hover by @charliermarsh in #6291
• Tweak background on theme button by @charliermarsh in #6290

Other Changes

• Improve handling of violations around Jupyter magic expressions by @dhruvmanila in #5552
• Reduce memory usage by boxing type params and arguments fields on the class definition node by @charliermarsh in #6275
• Upgrade Rust to 1.71 by @zanieb in #6323

New Contributors

• @silvanocerza made their first contribution in #6171
• @PIG208 made their first contribution in #6361

Full Changelog: v0.0.282...v0.0.283