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5,414 Open 34,875 Closed
5,414 Open 34,875 Closed
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Issues list

Investigate Wildcard Matching Performance Domain: Performance Reports of unusually slow behavior Suggestion An idea for TypeScript
#59058 opened Jun 27, 2024 by DanielRosenwasser TypeScript 5.6.0
2
typing for navigator.clipboard
#59057 opened Jun 27, 2024 by Manish3177
4
Unwanted mapped type narrowing in 5.5
#59056 opened Jun 27, 2024 by samhh
Filter with a type guard fails to narrow when the type guard's predicate is a tuple supertype
#59054 opened Jun 27, 2024 by RobertSandiford
2
Incorrect transform when namespace is empty
#59053 opened Jun 27, 2024 by Roise-yue
TS 5.5 - Imports used by decorator output are removed
#59051 opened Jun 27, 2024 by RomainLanz
1
Generic parameter type checking stops too early
#59049 opened Jun 27, 2024 by devongovett
6
Unpredictable behavior when trying to infer a generic type from a union function parameter
#59046 opened Jun 26, 2024 by paolostyle
Include paths evaluate to no files when tsconfig.json is in a sandbox (regression in 5.5)
#59036 opened Jun 26, 2024 by alexeagle
8
Compiler Option typeTruncationLength
#59035 opened Jun 26, 2024 by HardworkingSlacker
6 tasks done
C extends A but C does not extend A | B 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
#59034 opened Jun 26, 2024 by jer-sen Backlog
2
Object.assign() inconsistent overload: assign(target: object, ...sources: any[]): any;
#59033 opened Jun 26, 2024 by lord-xld3
15
TS 5.5.2: JavaScript and TypeScript language service has been disabled after crashing repeatedly Bug A bug in TypeScript
#59032 opened Jun 26, 2024 by bjornbacklund TypeScript 5.5.3
@DanielRosenwasser
1
abstract class should be usable in expressions 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
#59031 opened Jun 26, 2024 by stwlam
6 tasks done
3
Support Expandable Quick Info/Hover Verbosity Domain: Quick Info e.g. hover text, tool-tips, and tooltips. Domain: Type Display Bugs relating to showing types in Quick Info/Tooltips, Signature Help, or Completion Info
#59029 opened Jun 26, 2024 by DanielRosenwasser TypeScript 5.6.0
@gabritto
1
Enable npm Build Provenance Infrastructure Issue relates to TypeScript team infrastructure
#59028 opened Jun 25, 2024 by DanielRosenwasser TypeScript 5.6.0
@weswigham
isolatedDeclarations not giving related errors under noEmit Bug A bug in TypeScript
#59024 opened Jun 25, 2024 by SuperchupuDev TypeScript 5.6.0
@sheetalkamat
6
Suspected breaking change with pushing and assigning a 'derived' value into a 'base' array 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
#59016 opened Jun 25, 2024 by adam-marshall Backlog
4
Hex Colors error with TS2590: Expression produces a union type that is too complex to represent Duplicate An existing issue was already created
#59015 opened Jun 25, 2024 by AtomicGamer9523
6
Consider making WritableStreamDefaultWriter.write() contravariant Bug A bug in TypeScript Help Wanted You can do this
#59012 opened Jun 25, 2024 by cdauth Backlog
TypeScript generates invalid types if @import tags are spread over multiple lines Bug A bug in TypeScript Domain: Declaration Emit The issue relates to the emission of d.ts files Domain: JavaScript The issue relates to JavaScript specifically Domain: JSDoc Relates to JSDoc parsing and type generation Fix Available A PR has been opened for this issue
#59011 opened Jun 25, 2024 by remcohaszing TypeScript 5.5.3
1
Type 'any' cannot be used as an index type silently fails when used in generics (TS2538)
#59009 opened Jun 25, 2024 by otaviojacobi
allow decorator return function with different returnType
#59008 opened Jun 25, 2024 by LongTengDao
6 tasks done
1
Warn when regular expression is used in conditional Experience Enhancement Noncontroversial enhancements Suggestion An idea for TypeScript
#59001 opened Jun 24, 2024 by mjbvz
6 tasks done
Backlog
TS2536 only when type argument is a generic type parameter Design Limitation Constraints of the existing architecture prevent this from being fixed
#59000 opened Jun 24, 2024 by ryan-0324
1
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