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Inside a generic function with a remapped type as parameter, elements are wrongfully inferred as {}.

Status: Open.

#63363 In microsoft/TypeScript;

· denis-migdal opened on Apr 6, 2026

Flatten<O> does not merge union object fields — distributes instead

Status: Open.

#63361 In microsoft/TypeScript;

· kevalcodezee opened on Apr 6, 2026

TSX error location error with location and JSX comment

Status: Open.

#63358 In microsoft/TypeScript;

· RobertSandiford opened on Apr 6, 2026

Error on function return is less useful than it should be

Status: Open.

#63357 In microsoft/TypeScript;

· pfgithub opened on Apr 5, 2026

Declaration emit references imported type without importing it when inheriting static methods via CommonJS require

Status: Open.

#63353 In microsoft/TypeScript;

· avivkeller opened on Apr 5, 2026

Trivial: typo

Status: Open.

#63352 In microsoft/TypeScript;

· tomhamiltonlambda opened on Apr 4, 2026

Merging type only namespace and const in module declaration

Status: Open.

#63349 In microsoft/TypeScript;

· Aylur opened on Apr 4, 2026

Minor performance issue when using HTMLElementTagNameMap

Not a DefectThis behavior is one of several equally-correct optionsThis behavior is one of several equally-correct options

Status: Open.

#63347 In microsoft/TypeScript;

· jasonlyu123 opened on Apr 3, 2026

Experimental (deprecated) decorators are included by default

Status: Open.

#63346 In microsoft/TypeScript;

· OldStarchy opened on Apr 3, 2026

type checking complexity with multiple template literals in unions

Status: Open.

#63342 In microsoft/TypeScript;

· eps1lon opened on Apr 2, 2026

Playground typing issue

Status: Open.

#63334 In microsoft/TypeScript;

· BrandonStudio opened on Apr 2, 2026

[V6] module defaults is not esnext

DocsThe issue relates to how you learn TypeScriptThe issue relates to how you learn TypeScript

Status: Open.

#63330 In microsoft/TypeScript;

· regseb opened on Apr 1, 2026