Engineer’s Codex is a publication about real-world software engineering.Meta recently released a paper called “Automated Unit Test Improvement using Large Language Models at Meta”. It’s a good look at how Big Tech is using AI internally to make development faster and software less buggy. For example, Google is using AI to speed up code reviews.A major win of this paper is that while it integrates LLMs into a developer’s workflow, it also recommends fully-formed software improvements that are ver...