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TypeScript 4.2 Iteration Plan
#41601 opened Nov 19, 2020 by DanielRosenwasser
Open 2
TypeScript Roadmap: January - June 2020
#36948 opened Feb 21, 2020 by DanielRosenwasser
Open 12
CI Status Thread
#33716 opened Oct 1, 2019 by weswigham
Open 267
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4,648 Open 23,818 Closed
4,648 Open 23,818 Closed
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Interface Type alias not working as expected.-- "type T = T1 | T2" cannot assign T1 as T //(TS2322: Type is not assignable to type)
#41815 opened Dec 4, 2020 by softmarshmallow
Incorrect compile result of arrow function using implicit return (starts with optional chaining) and with line comments in between
#41814 opened Dec 4, 2020 by QuincyHe
Error: no interface JSX.IntrinsicElements exists, although I've defined it
#41813 opened Dec 4, 2020 by trusktr
1
4.1 Array.isArray breaking change review Meta-Issue
#41808 opened Dec 3, 2020 by RyanCavanaugh TypeScript 4.1.3
`@author` tag is too strict Experience Enhancement
#41804 opened Dec 3, 2020 by sandersn TypeScript 4.2.0
@sandersn
tsc --build takes wrong assumption on project rootDir Bug Duplicate Fix Available
#41801 opened Dec 3, 2020 by sguillia TypeScript 4.2.1
1
@sheetalkamat
2
Generated declaration for a JavaScript file refers to non-existing module Bug
#41800 opened Dec 3, 2020 by bergie-umi TypeScript 4.2.0
@orta
Readonly functions arguments Duplicate
#41799 opened Dec 3, 2020 by antoine-pous 0 of 5
1
Crash when using TS 4.1.2 with useDefineForClassFields and key union Bug
#41798 opened Dec 3, 2020 by xaviergonz TypeScript 4.2.0
@armanio123
Incorrect any type distilled from extended generic after typeof check Bug
#41797 opened Dec 3, 2020 by dennis-c Backlog
2
[Meta] Refactors of React hooks Awaiting More Feedback Suggestion
#41795 opened Dec 3, 2020 by Kingwl 5 of 5
1
Incorrect output for #private with nested class in ESNext Bug
#41788 opened Dec 2, 2020 by DanielRosenwasser TypeScript 4.2.0
'Use element access' quick fix doesn't respect quote style Bug Domain: Quick Fixes Fix Available good first issue help wanted
#41787 opened Dec 2, 2020 by DanielRosenwasser TypeScript 4.2.0
1
@Kingwl @armanio123
Incorrect quick fix for "use element access" Bug Domain: Quick Fixes Effort: Moderate Fix Available help wanted
#41786 opened Dec 2, 2020 by DanielRosenwasser TypeScript 4.2.0
1
@Kingwl @jessetrinity
1
'noPropertyAccessFromIndexSignature' is not a semantics-affecting option Bug Fix Available good first issue help wanted
#41785 opened Dec 2, 2020 by DanielRosenwasser TypeScript 4.2.0
1
@Kingwl @sheetalkamat
paths alias maps Duplicate
#41782 opened Dec 2, 2020 by eng-dibo
1
getOutputFileNames is returning incorrect path Bug Fix Available
#41780 opened Dec 2, 2020 by benmccann TypeScript 4.2.1
1
@sheetalkamat
1
Generic type sometimes returns never instead of actual template parameter type Needs Investigation
#41778 opened Dec 2, 2020 by nin-jin
@ahejlsberg
1
Language services formatting for `else` on newline Awaiting More Feedback Suggestion
#41777 opened Dec 2, 2020 by sheam 5 of 5
Event type for readystatechange is not specific enough Bug Domain: lib.d.ts help wanted
#41775 opened Dec 2, 2020 by jurosh Backlog
3
same behavior in both cases (just for example) Working as Intended
#41774 opened Dec 2, 2020 by qwabra
1
Omit<A | B> works unexpectly, cannot keep union relationship Duplicate
#41772 opened Dec 2, 2020 by k8w
2
Type checker hangs on recursive type with arrays Bug
#41771 opened Dec 2, 2020 by judofyr TypeScript 4.2.0
@andrewbranch
Error when trying to assign a subclass of a base class with generics to `typeof` of that base class Bug Has Repro
#41770 opened Dec 2, 2020 by dummdidumm Backlog
4
TS2339: Property 'bar' does not exist on type 'never' (strictNullChecks) Working as Intended
#41766 opened Dec 1, 2020 by maksimr
2
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