> Following a very successful first foray into Rust we are migrating an established codebase from C to Rust, and building new functionality primarily in Rust.

> Following a very successful first foray into Rust we are migrating an established codebase from C to Rust, and building new functionality primarily in Rust. That doesn't say the job is ONLY converting code. It says that code was converted, and new code will be in Rust.