When the TypeScript team announced their compiler rewrite in Go, many wondered, "Why Go?". As a C# developer, my immediate reaction was, "Why not C#?"—especially considering that Anders Hejlsberg, creator of both C# and TypeScript, was part of the decision.

Join me on a journey to discover firsthand (and the hard way) why C# wasn't chosen. Instead of diving into Go directly, I used Agentic AI to port the new TypeScript’s Go-based codebase into C#.

In this session, we'll discuss the preparation required, the challenges encountered during Agentic AI-driven code migration, and insights made in this language ecosystems. Let’s try to truly understand where the wall is that made Go the decision and not C# (or any other language).