Microsoft Office 365: C# => Rust?

 Microsoft seeks Rust developers to rewrite core C# code • The Register

"job: a principal software architect for Microsoft 365, has responsibilities that include "guiding technical direction, design and implementation of Rust component libraries, SDKs, and re-implementation of existing global scale C# based services to Rust."

Microsoft forms "new team" to adopt Rust into MS365's Substrate App Platform - MSPoweruser