Issues

• [flow-for-vscode] Ship the Try Flow grammar so VS Code highlights component and hook syntax

  facebook/flow#9501 · Filter by author matclayton opened on Sep 23, 2026

• Configure auto import

  discussion
  facebook/flow#9487 · Filter by author Dagur opened on Aug 27, 2026

• flow-remove-types throws a syntax error on ES import attributes

  bugneeds triage
  facebook/flow#9347 · Filter by author sangafabrice opened on Dec 27, 2025
  1

• Flow’s parser does not understand export from attributes (the with { type: "json" } syntax).

  bugneeds triage
  facebook/flow#9346 · Filter by author sangafabrice opened on Dec 27, 2025
  1

• Add a prefix to Flow specific AST node type

  parsing
  facebook/flow#9344 · Filter by author fisker opened on Dec 12, 2025
  3

• Rename typeParameters property to typeArguments

  parsing
  facebook/flow#9343 · Filter by author fisker opened on Dec 12, 2025
  1

• Generic type is fully incompatible with conditional type

  bugTyping: completeness
  facebook/flow#9305 · Filter by author mwiencek opened on Aug 7, 2025

• First always inferred as mixed in [infer First, ...infer Rest]

  bugneeds triage
  facebook/flow#9291 · Filter by author mwiencek opened on Jun 12, 2025

• Decorators incorrectly parsed

  bugparsing
  facebook/flow#9279 · Filter by author fisker opened on May 14, 2025

• Under-constrained mapped type key

  bugneeds triage
  facebook/flow#9259 · Filter by author hurrymaplelad opened on Feb 25, 2025
  1

• How to tell flow that a dynamic string is just like a normal string

  bugTyping: completeness
  facebook/flow#9253 · Filter by author buschco opened on Feb 3, 2025
  2

• type intersection not working

  bugneeds triage
  facebook/flow#9237 · Filter by author trusktr opened on Dec 8, 2024

• Component syntax & unreachable code

  bug
  facebook/flow#9149 · Filter by author neutraali opened on May 19, 2024
  1

• Ability to copy all files and not only JS files when stripping types using flow-remove-types

  discussionwishlist
  facebook/flow#9148 · Filter by author bacloud22 opened on May 14, 2024
  5

• Parameters<> does not support optional params

  bugTyping: completeness
  facebook/flow#9125 · Filter by author ayroblu opened on Mar 5, 2024
  2

  

• FLOW BUG: This is a misplaced error

  bug
  facebook/flow#9119 · Filter by author ayroblu opened on Feb 15, 2024
  3

• "Unxepcted identifier, expected the token ;" when using await inside of ES module

  bugneeds triage
  facebook/flow#9102 · Filter by author DanielBaulig opened on Oct 29, 2023
  3

• Strange index signature error if you use $Keys<O> instead of the equivalent literal union inside $ReadOnlyArray

  bugerror messages
  facebook/flow#9100 · Filter by author mwiencek opened on Oct 19, 2023
  1

• [Discussion]: Any plans to make Flow more interpopble with TS ecosystem?

  discussion
  facebook/flow#9091 · Filter by author dominictobias opened on Oct 6, 2023
  12

  

• Partial type does not accept plain empty object literal as a default

  bugTyping: completenessTyping: destructors
  facebook/flow#9069 · Filter by author insonifi opened on Aug 16, 2023
  5

• ☂️ Known unsoundness issues

  Typing: soundness
  facebook/flow#9065 · Filter by author SamChou19815 opened on Aug 7, 2023

• Record types should refine Object.values

  feature request
  facebook/flow#9042 · Filter by author flex-tjon opened on Jun 27, 2023
  2

  

• Packages entry points support

  discussionmodule resolution
  facebook/flow#9026 · Filter by author pascalduez opened on Mar 23, 2023

• Array.prototype.filter on non-refined nullable elements leads to unhelpful error message

  bug
  facebook/flow#9019 · Filter by author flex-tjon opened on Mar 6, 2023
  2

• Array.prototype.flat returns mixed on nested arrays

  Library definitions
  facebook/flow#8999 · Filter by author FezVrasta opened on Jan 30, 2023
  2