Rust is Now a 'Tier One' Language at Microsoft

Microsoft has added Rust to its list of canonical languages for internal development, alongside C++, C#, and TypeScript. Rust is already used in more than 100 company projects, including Microsoft 365 services and the Copilot stack.

• Rust became a tier-one language alongside C++, C#, and TypeScript
• Rust is used in more than 100 Microsoft repositories
• Microsoft 365 services and the Copilot stack are built on Rust
• About 70% of Windows vulnerabilities are memory-related