Would be more impressive if this was done for something obscure like Microsoft Visio. Theres countless oss ms word editors/libs Claude probably ripped off

The schema Visio’s files save to is very complex.

There’s stuff like diagrams.net, but that’s not compatible.

Yup that’s why I suggested it. The vsdx schema is notably complex and I don’t see a lot of code examples in the wild. I seriously doubt an llm would be able to output working code for it. Docx is a common use case and a quick google search yields multiple popular libraries that understand the format. Anyways, cool that an llm was able to output a functional docx editor, but that’s certainly not impressive or a groundbreaking feat by any means