Windows 11 released a new beta version (Insider Preview Build 25905) last week.
The release announcement mentioned that this version has used Rust to rewrite some modules in the Windows 11 kernel.
According to reports, the preview version uses safe Rust for early implementation of key kernel functions. Specifically, win32kbase_rs.sys contains a new implementation of the Windows GDI region . Although this is a small experimental feature, Microsoft engineers say they will continue to increase the use of Rust in the kernel .
In March of this year, Windows operating system security director David "dwizzle" Weston announced Rust into the operating system kernel at BlueHat IL 2023 in Tel Aviv, Israel- rewriting the core Windows library in Rust , and said that in the next few weeks or months Inside, you'll be booting Windows with Rust in the kernel, and the basic goal of this work is to replace some of these internal C++ data types with Rust.
Further reading: "Giant Hard" wants to make Windows harder, rewriting the core Windows library with 180,000 lines of Rust code