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Generic return type of function is missing of nested name-quoted properties
#59107
opened Jul 2, 2024 by
fenying
Type of pointer to object is treated differently from type of object
#59104
opened Jul 2, 2024 by
nvlang
perf: monomorphized objects change in ts 5.5 significantly slows down third-party tooling
Domain: Performance
Reports of unusually slow behavior
Needs Investigation
This issue needs a team member to investigate its status.
Recent Regression
This is a new regression just found in the last major/minor version of TypeScript.
#59101
opened Jul 2, 2024 by
walkerdb
useUnknownInCatchVariables would do much better to require ": unknown" rather than magically injecting it
Domain: Error Messages
The issue relates to error messaging
Experience Enhancement
Noncontroversial enhancements
Needs Proposal
This issue needs a plan that clarifies the finer details of how it could be implemented.
#59100
opened Jul 2, 2024 by
bkerin
Investigate Adopting Someone needs to try this out to see what happens
Infrastructure
Issue relates to TypeScript team infrastructure
--isolatedDeclarations in TypeScript's Codebase
Experimentation Needed
Contravariance with optional arguments causes runtime errors
Working as Intended
The behavior described is the intended behavior; this is not a bug
#59096
opened Jul 1, 2024 by
thomasttvo
using a toLowerCase function inside the if block type error
Duplicate
An existing issue was already created
#59091
opened Jul 1, 2024 by
Ravi-exe
Extend type predicate inference to work with certain type variables
#59088
opened Jul 1, 2024 by
ethanresnick
6 tasks done
Field overwriting with stage 3 decorators changes parent class metadata
#59081
opened Jun 30, 2024 by
fwolff
Problem with .d.ts file generation for inner classes
Duplicate
An existing issue was already created
#59079
opened Jun 30, 2024 by
Velover
Signature help stopped expanding type alias in TypeScript 5.5
Not a Defect
This behavior is one of several equally-correct options
#59078
opened Jun 30, 2024 by
DRKolev-code
Function overloading of generic functions allows for invalid code
#59069
opened Jun 28, 2024 by
cassiano
Deprecating no-default-lib and rethinking of other lib related CompilerOptions
In Discussion
Not yet reached consensus
Suggestion
An idea for TypeScript
#59067
opened Jun 28, 2024 by
sheetalkamat
6 tasks done
FR: Add TS config option to disable "<some regex feature> is only available when targeting 'es2018' or later.".
In Discussion
Not yet reached consensus
Suggestion
An idea for TypeScript
#59066
opened Jun 28, 2024 by
lauraharker
1 task done
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