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TypeScript 4.2 Iteration Plan
#41601 opened Nov 19, 2020 by DanielRosenwasser
Open 1
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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4,629 Open 23,764 Closed
4,629 Open 23,764 Closed
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Unable to assign functions with fewer parameters to functions that take more parameters in a generic form
#41720 opened Nov 29, 2020 by whzx5byb
Support forwarding generic type in extending class
#41719 opened Nov 29, 2020 by martinheidegger 5 of 5
String literal intersection type unioned with String properties evaluates to non-literal string
#41718 opened Nov 28, 2020 by reiv
Cannot read property 'length' of undefined in v4 version
#41717 opened Nov 28, 2020 by MohamedLamineAllal
Check a const extends a type at definition whilst not assigning it
#41715 opened Nov 28, 2020 by ThomasAribart 5 of 5
TS2345 when generic function calls itself.
#41714 opened Nov 28, 2020 by lae0901
Type inference fails
#41712 opened Nov 28, 2020 by newcat
another way of noUncheckedIndexedAccess
#41711 opened Nov 27, 2020 by LongTengDao 5 of 5
Inline user defined type guard
#41710 opened Nov 27, 2020 by nandi95 5 of 5
Callback arguments are inferred as any when function has multiple overloads and callback arguments are typed as tuple
#41709 opened Nov 27, 2020 by markostanimirovic
2
Suggestion: Array.prototype.sort - remove the need for compareFn to handle undefined values
#41708 opened Nov 27, 2020 by Brookke 5 of 5
1
Union of string literals is widened incorrectly when compared to never
#41707 opened Nov 27, 2020 by Aprillion
@readonly not causing error in JSDoc code
#41705 opened Nov 26, 2020 by basickarl
3
Boolean literal type preserved in reduce when used in filter
#41702 opened Nov 26, 2020 by dragomirtitian
1
variadic tuple types broken since 4.1.2 (same error as in 3.x.x)
#41701 opened Nov 26, 2020 by ChillkroeteTTS
1
Partial of a mapped type from a union of enums fails when these enums have common members
#41700 opened Nov 26, 2020 by g-pascal
[JS] accessing nested namespaces from require() with destructuring leads to an error
#41699 opened Nov 26, 2020 by sokra
1
no error when using spread operator with object of incorrect type
#41698 opened Nov 26, 2020 by DetachHead
1
const/let variables with require() initializer are not correctly block-scoped
#41697 opened Nov 26, 2020 by sokra
2
The return value of function type is not checked when function may return any
#41696 opened Nov 26, 2020 by hokaccha
1
Incremental compilation does not work with relative paths for outDir and tsBuildInfoFile
#41690 opened Nov 25, 2020 by perbergland
Provide correct intellisense completion/suggestion list after `infer` keyword. Bug Domain: Completion Lists Fix Available good first issue help wanted
#41688 opened Nov 25, 2020 by heroboy 5 of 5 TypeScript 4.2.0
1
@jessetrinity
Support compatibility with previous TS versions for npm packages Declined Suggestion
#41685 opened Nov 25, 2020 by Roaders 5 of 5
2
window.parent should have the same global variables as window Awaiting More Feedback Domain: lib.d.ts Suggestion
#41684 opened Nov 25, 2020 by lukejagodzinski
2
Using CompletionEntry for strings when name and insertText differ?
#41679 opened Nov 25, 2020 by barik
3
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