Question: Is ID starting with io.codeberg allowed?

I have checked the Flathub org repo and found none that had io.codeberg.username.app (except all had page.codeberg and I don’t know why) as well as the domain ownership of codeberg.io, and currently nobody owns the io.codeberg domain, meaning that I should be able to use it? Although, it does raise the question of whether if somebody takes up that domain, and then I will have to update the id everywhere.

Flatpak

Requirements & Conventions

Flatpak deliberately imposes very few requirements on applications. However, a small number of standard Linux desktop conventions are expected, primarily to ensure that applications integrate with ...