this post was submitted on 14 Dec 2025
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From flahubs docs: https://docs.flathub.org/blog/app-safety-layered-approach-source-to-user#reproducibility--auditability
This does not seem to be optional or up to the control of each developer or publisher who is using the flathub repos.
Of course, unless you mean packages via flatpak in general?
Hmmm, this is where my research leads me.
https://docs.flatpak.org/en/latest/flatpak-builder.html#signing
Going further, I found a relevant github issue where a user is encountering an issue where flatpak is refusing to install a package that is not signed, and the user is asking for a cli flag to bypass this block.
I don't really see how this is any different from apt refusing to install unsigned packages by default but allowing a command line flag (
--allow-unauthenticated) as an escape hatch.To be really pedantic, apt key signing is also optional, it's just that apt is configured to refuse to install unsigned packages by default. So therefor all major repos sign their packages with GPG keys. Flatpak appears to follow this exact same model.
I still fail to see anything that clearly States that all packages in the repo are signed, and that the client is configured to refuse to install any packages that aren't signed, by default
Idk what to tell you. I linked to sources showing that flathub signs everything, and that flatpak refuses to install unsigned packages by default.
If you have anything contrary feel free to link it.
Also you multi replied to this comment. Sometimes I had this issue with eternity.