Error TS2320 when interface extends interface that has optional member and another interface that has same named required member · Issue #3598 · microsoft/TypeScript · GitHub

I have 3 interfaces: interface A { member1: string; } interface B { member1?: string; } interface C extends A, B { } I'm getting TS2320: [Object Object] error, because interface A's member1 is required property, and B's membe

Foo' is not assignable to 'Partial' where generic 'T extends Foo' · Issue #19467 · microsoft/TypeScript · GitHub

TS 2322 Type is not assignable to Partial when GENERIC extends another generic · Issue #39207 · microsoft/TypeScript · GitHub

c# - Type null is not assignable to type IJobDetails (which is my interface) - Stack Overflow

Regression in 4.9: semantic error TS2312 appears for some interface setups · Issue #51559 · microsoft/TypeScript · GitHub

no-unsafe-member-access] Not allowing interface X extends for a type in a nested namespace · Issue #3292 · typescript-eslint/typescript-eslint · GitHub

TypeScript 4.0 causes unsolvable TS2611 error for properties inherited from a mixin · Issue #41347 · microsoft/TypeScript · GitHub

The types when inherit from Error? · Issue #32617 · microsoft/TypeScript · GitHub

ERROR: A computed property name in an interface must directly refer to a built-in symbol. · Issue #21000 · microsoft/TypeScript · GitHub

instanceof is broken when class extends Error type · Issue #13965 · microsoft/TypeScript · GitHub

error TS2689: Cannot extend an interface 'http.IncomingMessage'. Did you mean 'implements'? · Issue #41828 · DefinitelyTyped/DefinitelyTyped · GitHub