Can't extend the same interface with different type parameters · Issue #11700 · microsoft/TypeScript · GitHub

This might sound like obviously correct behaviour. There's a very strong use case in the Node.js type definitions alone though, and I think type aliases show an avenue for this that could become a manageable workaround that's accessible

Can't use indexed/mapped type signature in interfaces? · Issue #13573 · microsoft/TypeScript · GitHub

Generics extending unions cannot be narrowed · Issue #13995 · microsoft/ TypeScript · GitHub

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

Playground: Unwarrant all declarations must have identical type parameters error · Issue #2552 · microsoft/TypeScript-Website · GitHub

Typescript: Realistic type definition errors · Issue #35247 · microsoft/ TypeScript · GitHub

Module augmentation overrides interface rather than merge it · Issue #47443 · microsoft/TypeScript · GitHub

Deriving from object and intersection types problem · Issue #13732 · microsoft/TypeScript · GitHub

Extending TypeScript Interfaces: A Guide - Typescript

Generics extending unions cannot be narrowed · Issue #13995 · microsoft/ TypeScript · GitHub

Performance Issues with VScode and Typescript · Issue #73470 · microsoft/vscode · GitHub

Interfaces can't extend typeof types · Issue #14757 · microsoft/TypeScript · GitHub

Allow type parameters in base class expressions · Issue #26542 · microsoft/ TypeScript · GitHub

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

Playground: Unwarrant all declarations must have identical type parameters error · Issue #2552 · microsoft/TypeScript-Website · GitHub