Rust (in production) Without Fear
summary
Microsoft declares Rust a tier one language at Microsoft and describes a “paved path” with internal crate registries, crate audits, policies and an internal Rust SDK that bundles toolchains, CI hooks and dev inner-loop support. A new MSVC-focused backend, Rust C CoGen UTC, aims at seamless Rust/C++ interop enabling cross-language inlining, reuse of hot‑patching and binary‑hardening toolchains. Claim: production ready earlier this year and already used by over 100 repositories across Azure, Copilot and M365 rewrites.
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