Using an AI coding assistant to migrate an application from one programming language to another wasn’t as easy as it looked. Here are three takeaways.

Two days to a working application. Three minutes to a live hotfix. Fifty thousand lines of code with comprehensive tests.

Sophie Koonin discusses the realities of large-scale technical migrations, using Monzo’s shift to TypeScript as a roadmap. She explains how to handle "bends in the road," from documentation and ...

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...