TypeScript 7.0 Beta, Undocumented const Generics, and the Software Brain
Published on 24.04.2026
TypeScript 7.0 beta: the Go rewrite is here
TLDR: TypeScript 7.0 beta has arrived, featuring a full port of the compiler from TypeScript/JavaScript to Go, delivering roughly 10x faster performance with parallel parsing, type-checking, and emitting.
TypeScript 7.0 beta: the Go rewrite is here
I Can't Believe This TS Feature Has No Documentation
TLDR: TypeScript has an undocumented feature called const generics that automatically applies as const semantics to generic type parameters, giving you the strictest possible literal type inference without manual assertions.
I Can't Believe This TS Feature Has No Documentation
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