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Issues: microsoft/TypeScript

TypeScript 5.8 Iteration Plan
#61023 opened Jan 22, 2025 by DanielRosenwasser
Open 31
Beta
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5,559 Open 36,391 Closed
5,559 Open 36,391 Closed
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Issues list

Inconsistent behaviour of never within a mapped type Not a Defect This behavior is one of several equally-correct options
#61602 opened Apr 21, 2025 by juhort
1 task done
1
Custom type guard fails for supertype in union type Working as Intended The behavior described is the intended behavior; this is not a bug
#61597 opened Apr 20, 2025 by otomad
1
Hover documentation for typescript uses jsdoc rules and not tsdoc
#61603 opened Apr 19, 2025 by SirzBenjie
Support auto-completion for TSDoc Awaiting More Feedback This means we'd like to hear from more people who would be helped by this feature Suggestion An idea for TypeScript
#61592 opened Apr 18, 2025 by xiaoxiyao
6 tasks done
TS4055 when generating declaration for return type that uses type of paramter for protected methods Bug A bug in TypeScript Help Wanted You can do this
#61591 opened Apr 18, 2025 by zhanghai Backlog
2
source.organizeImports affects export object Bug A bug in TypeScript Help Wanted You can do this
#61588 opened Apr 16, 2025 by Zitrooone Backlog
1
Internal error in tsc: "TypeError: Cannot read properties of undefined (reading 'flags')" Bug A bug in TypeScript
#61583 opened Apr 16, 2025 by GaurangTandon
1
@sandersn
2
Aliases are lost when conditionals are applied Help Wanted You can do this Possible Improvement The current behavior isn't wrong, but it's possible to see that it might be better in some cases
#61581 opened Apr 15, 2025 by mikearnaldi Backlog
1
2
Allow return type annotations on setters Awaiting More Feedback This means we'd like to hear from more people who would be helped by this feature Suggestion An idea for TypeScript
#61561 opened Apr 10, 2025 by eligrey
5
Implements typeof object does not scaffold missing properties Bug A bug in TypeScript Help Wanted You can do this
#61556 opened Apr 9, 2025 by YaroslavLisovets Backlog
1
Missing explicit return type for static methods using private static methods causes return type inference issues in declaration files Bug A bug in TypeScript Help Wanted You can do this
#61545 opened Apr 7, 2025 by iSwitchL Backlog
1
[bug:7.5.3] Mapper class explicite field regression Bug A bug in TypeScript
#61540 opened Apr 6, 2025 by jonlepage TypeScript 5.9.0
@weswigham
2
Always Show Return Type Needs Investigation This issue needs a team member to investigate its status.
#61550 opened Apr 6, 2025 by nonnapopoa
@gabritto
2
Infer tuple types like template literal types do Awaiting More Feedback This means we'd like to hear from more people who would be helped by this feature Suggestion An idea for TypeScript
#61539 opened Apr 6, 2025 by DarrenDanielDay
6 tasks done
Filename with two dollar signs ($$) behaves differently when using paths config Needs Investigation This issue needs a team member to investigate its status.
#61538 opened Apr 5, 2025 by its-jman
@andrewbranch
Wrong location generated for JSX with whitespace around it when react-jsxdev Bug A bug in TypeScript Help Wanted You can do this
#61533 opened Apr 5, 2025 by AviVahl Backlog
1
@weswigham
Incorrect type inference for generic class in JavaScript Bug A bug in TypeScript Help Wanted You can do this
#61552 opened Apr 5, 2025 by calbonaler Backlog
Error: Debug Failure. No error for last overload signature Bug A bug in TypeScript Help Wanted You can do this
#61524 opened Apr 3, 2025 by jens-duttke Backlog
1
Add .getObjectType() to the TypeChecker Help Wanted You can do this Suggestion An idea for TypeScript
#61517 opened Apr 1, 2025 by mrazauskas
6 tasks done
Backlog
1
3
Parameters returns never when used with a generic function that combines Pick and Partial on the generic type argument Bug A bug in TypeScript Help Wanted You can do this
#61516 opened Apr 1, 2025 by 12joan Backlog
2
Confusing error on computed name class member Help Wanted You can do this Possible Improvement The current behavior isn't wrong, but it's possible to see that it might be better in some cases
#61510 opened Mar 31, 2025 by Andarist Backlog
2
Unsafe Map overload spoils direct property access on parenthesized assignment expression Help Wanted You can do this Possible Improvement The current behavior isn't wrong, but it's possible to see that it might be better in some cases
#61506 opened Mar 30, 2025 by Andarist Backlog
2
Intellisense fails to detect package.json import paths Help Wanted You can do this Possible Improvement The current behavior isn't wrong, but it's possible to see that it might be better in some cases
#61504 opened Mar 29, 2025 by anthonyma94 Backlog
1
Covariant generic parameters fail unification Bug A bug in TypeScript Help Wanted You can do this
#61503 opened Mar 28, 2025 by feedab1e Backlog
[isolatedDeclarations] Optional parameter properties are unnecessarily disallowed in isolatedDeclarations mode Needs Investigation This issue needs a team member to investigate its status.
#61501 opened Mar 28, 2025 by blickly
@weswigham
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