By TOI Tech Desk
Publication Date: 2025-12-25 12:53:00
No, Microsoft is not rewriting Windows in Rust. The clarification comes after a LinkedIn post by a Microsoft Distinguished Engineer Galen Hunt went viral and led to an outrage in several circles. This made the company as well as the Microsoft engineer to issue a clarification. The original post from Hunt was a job posting which led to the speculation that Microsoft plans to eliminate all C and C++ code across its major codebases by 2030, replacing it with Rust using AI-assisted, large-scale refactoring.
What Microsoft engineer’s original original post said
I have an open position in my team for a IC5 Principal Software Engineer. The position is in-person in Redmond. My goal is to eliminate every line of C and C++ from Microsoft by 2030. Our strategy is to combine AI *and* Algorithms to rewrite Microsoft’s largest codebases. Our North Star is “1 engineer, 1 month, 1 million lines of code”. To accomplish this previously unimaginable task, we’ve built a powerful code…