> either be a re-write or buggy A large refactor at best. It will touch lots of parts of the code base, but the vast majority of the source code would remain i

> either be a re-write or buggy A large refactor at best. It will touch lots of parts of the code base, but the vast majority of the source code would remain intact. Otherwise they could just Rewrite it in Rust™ while they’re at it > if every line needs to be audited and updated, it is a re-write I’m not sure why you believe every line needs to be updated. Most code is thread agnostic.