Issues

• Recursive tuple cannot be computed through generic, but valid in a declarative form

  BugDomain: check: Type CircularityHelp Wanted
  microsoft/TypeScript#62704 · Filter by author guyutongxue opened on Nov 1, 2025 · Backlog
  2

• Union of array literal types has uncallable methods

  Duplicate
  microsoft/TypeScript#62645 · by Filter by author vegerot was closed on Oct 25, 2025
  3

• Suggestion: Shorthand Syntax for Fixed-Length Single-Type Tuple (e.g. [number: 4])

  Duplicate
  microsoft/TypeScript#62481 · by Filter by author hillin was closed on Sep 25, 2025
  5

• Recursive Variadic Tuples not working for functional pipelines

  Duplicate
  microsoft/TypeScript#62479 · by Filter by author dariomannu was closed on Sep 26, 2025
  5

• add some errors for diagnosing repos with issues

  Author: TeamFor Uncommitted Bug
  Unread
  microsoft/TypeScript#62460·by sheetalkamat was closed Jan 16, 2026·Draft
  62

  

• "Target requires x element(s) but source may have fewer." despite filter by length

  Design Limitation
  microsoft/TypeScript#62422 · by Filter by author Sainan was closed on Sep 12, 2025
  8

• configureStore type error (TS2353) with preloadedState and/or middleware configuration

  Needs More Info
  microsoft/TypeScript#62416 · by Filter by author SoumyadipYT-OSS was closed on Sep 8, 2025
  3

• Issues around casting tuples to arrays

  Not a Defect
  microsoft/TypeScript#62177 · by Filter by author Andarist was closed on Aug 24, 2025
  3

• Use tuple context based on apparent type of the contextual type uninstantiated by return mapper

  Unread
  microsoft/TypeScript#62174·by Andarist was closed Mar 24, 2026
  12

• Revert PR 61668

  Unread
  microsoft/TypeScript#62158·by jakebailey was closed Sep 11, 2025
  6

  

• Bloomberg feedback for 5.9

  Discussion
  microsoft/TypeScript#62156 · Filter by author dragomirtitian opened on Jul 31, 2025
  1

• Fix contextual typing sensitivity to binding pattern structure in destructuring

  For Milestone Bug
  Unread
  microsoft/TypeScript#62142·by RyanCavanaugh with CopilotAI was closed Mar 24, 2026·Draft
  9

  

• Fix excess property checking in array destructuring contexts

  For Milestone Bug
  Unread
  microsoft/TypeScript#62102·by RyanCavanaugh with CopilotAI was closed Jul 22, 2025·Draft
  6

  

• Google feedback on TS 5.9-beta

  Discussion
  microsoft/TypeScript#62083 · Filter by author user454322 opened on Jul 16, 2025
  8

  

• Leading Rest element in tuples are kinda broken !?

  microsoft/TypeScript#61842 · by Filter by author benzaria was closed on Jun 10, 2025
  2

• Tuples: maintaining type-param in the type of it's items

  Experimentation NeededSuggestion
  microsoft/TypeScript#61750 · Filter by author eranhirsch opened on May 22, 2025 · Backlog
  3

• Mangling interface bindings to indicate identifier type

  Unactionable
  microsoft/TypeScript#61710 · by Filter by author mda-jobs was closed on May 16, 2025
  3

• Proposal: Add Overloads to Array.prototype.includes and ReadonlyArray.prototype.includes for Improved Type Safety and Usability

  DeclinedSuggestion
  microsoft/TypeScript#61618 · by Filter by author sugoroku-y was closed on Apr 29, 2025
  4

• Potentially-undefined value not flagged when destructuring union of empty tuple and array

  BugDomain: check: Control FlowHelp Wanted
  microsoft/TypeScript#61424 · Filter by author bthall16 opened on Mar 14, 2025 · Backlog
  4

• Incorrect Type Inference for Array Properties in Recursive Type Definitions

  microsoft/TypeScript#61394 · by Filter by author ahzvenol was closed on Mar 11, 2025
  2

• Incorrect type narrowing for tuples

  Duplicate
  microsoft/TypeScript#61332 · by Filter by author Florian-Mt was closed on Mar 6, 2025
  2

• Declaration merging can break equality tests for named tuples

  Not a Defect
  microsoft/TypeScript#61162 · by Filter by author LukeAbby was closed on Feb 15, 2025
  12

• 'identity' modifier to indicate a function's parameter-less returns should be narrowed like a value

  Needs More Info
  microsoft/TypeScript#60948 · Filter by author JoshuaKGoldberg opened on Jan 10, 2025
  40

• Expressive Reversed type for tuples

  microsoft/TypeScript#60575 · by Filter by author redpulp was closed on Nov 24, 2024
  2

• Isolated declarations array types

  For Uncommitted Bug
  Unread
  microsoft/TypeScript#60558·by dragomirtitian was closed Mar 24, 2026·Draft
  1