Recently, five teams in the Rust project adopted a policy that I originally authored, governing how Large Language Models can be used when contributing to the rust-lang/rust monorepo. Notably, the new policy is not an official stance on LLMs, and does not apply everywhere in the Rust project. I wrote it for a very specific purpose, described below. This post talks about why we created that policy, what it says, and how this will affect contributors. The policy affects the following groups of peo...