That's a pity:

> Penpot Desktop loads the Penpot web application like a browser does. For offline use, the built-in local instance creator can set up and run a local Penpot instance via Docker (per the official self‑hosting guide).

Came here to complain about the same. I downloaded the app, but it needs an online account. What's the whole purpose of making it open source and downloadable, if it doesn't work offline?