Issues

• implicit-reexport - false positive when attempting to import module when that module is also imported by its package's __init__.py

  typechecking
  facebook/pyrefly#5134 · Filter by author DetachHead opened on Oct 7, 2026

• unannotated-return - false positive on __init__

  typechecking
  facebook/pyrefly#5133 · Filter by author DetachHead opened on Oct 7, 2026
  2

  

• unannotated-return - option to only enforce annotated return types on public API

  facebook/pyrefly#5132 · Filter by author DetachHead opened on Oct 7, 2026

• Config discovery picks up and migrates a mypy.ini shipped inside an installed package in site-packages

  dataframe
  facebook/pyrefly#5131 · Filter by author ippeiukai opened on Oct 7, 2026
  2

• Option to scope workspace/symbol to project files (or include libraries on demand)

  language-servernotebook
  facebook/pyrefly#5129 · Filter by author vsemionov opened on Oct 7, 2026

• implicit-any-lambda misses lambdas whose return type is unknown (pyright's reportUnknownLambdaType)

  pyright-paritytypechecking
  Feature

  facebook/pyrefly#5125 · Filter by author connernilsen opened on Oct 6, 2026
  

• No check for namedtuple without field types (pyright's reportUntypedNamedTuple)

  pyright-paritytypechecking
  Feature

  facebook/pyrefly#5124 · Filter by author connernilsen opened on Oct 6, 2026
  

• Recognize Never containers as falsy

  narrowingtypechecking
  facebook/pyrefly#5123 · Filter by author cweider opened on Oct 6, 2026
  3

  

• No check for uses of explicit Any (basedpyright's reportAny)

  pyright-paritytypechecking
  Feature

  facebook/pyrefly#5122 · Filter by author connernilsen opened on Oct 6, 2026
  

• No check for returning a value of unknown type from an unannotated function (pyright's reportUnknownVariableType on return)

  pyright-paritytypechecking
  Feature

  facebook/pyrefly#5121 · Filter by author connernilsen opened on Oct 6, 2026
  

• Feature request: make unused-parameter LSP diagnostic configurable via pyrefly.toml

  facebook/pyrefly#5113 · Filter by author sebageek opened on Oct 6, 2026

• warning: use of deprecated associated function core::num::<impl u32>::max_value: replaced by the MAX associated constant on this type

  good first issue
  facebook/pyrefly#5110 · Filter by author asukaminato0721 opened on Oct 6, 2026
  2

  

• Pyrefly doesn't report redundant condition after narrowing to None

  narrowingtypechecking
  facebook/pyrefly#5106 · Filter by author 5j9 opened on Oct 5, 2026
  

• hide inlay hint when name is the same

  language-server
  facebook/pyrefly#5105 · Filter by author asukaminato0721 opened on Oct 5, 2026

• support binary operator highlight range

  good first issuelanguage-server
  Feature

  facebook/pyrefly#5104 · Filter by author asukaminato0721 opened on Oct 5, 2026
  1

  

• idea: a small "dsl" to write test cases with multiple files

  facebook/pyrefly#5099 · Filter by author asukaminato0721 opened on Oct 4, 2026

• move a function to an existed file.

  facebook/pyrefly#5094 · Filter by author asukaminato0721 opened on Oct 4, 2026
  2

• auto rollup bot

  Task

  facebook/pyrefly#5092 · Filter by author asukaminato0721 opened on Oct 3, 2026
  2

• self typed as a Protocol accepts an invariant bool operand via bool <: int

  typechecking
  facebook/pyrefly#5089 · Filter by author cmp0xff opened on Oct 3, 2026
  1

  

• Pyrefly should infer dataframe schemas from records when types are provided

  dataframe
  facebook/pyrefly#5088 · Filter by author trashpan opened on Oct 3, 2026

• python.analysis setting changes (e.g. completeFunctionParens) are not picked up until reload

  language-server
  facebook/pyrefly#5084 · Filter by author juliasilge opened on Oct 2, 2026

• Rename of a class attribute skips assignments through another object (r.attr = value)

  facebook/pyrefly#5082 · Filter by author harshanacz opened on Oct 2, 2026

• Bug: duplicate bad-context-manager error

  good first issuetypechecking
  Bug

  facebook/pyrefly#5079 · Filter by author yangdanny97 opened on Oct 2, 2026
  5

  

• Report missing column without knowing the data type

  dataframe
  facebook/pyrefly#5078 · Filter by author tonyyuyiding opened on Oct 2, 2026

• Migrate baseline from BasedPyright config

  baselineconfigurationhelp wantedonboarding
  Feature

  facebook/pyrefly#5077 · Filter by author connernilsen opened on Oct 1, 2026
  6