Flatpak bundle and missing information in Gnome-software

[Sébastien Gendre]

Hello,

I am packaging a set of applications, JMRI, into Flatpak.
And I have a problem with single bundle file. 

If I export the Flatpak package into a single bundle file, and try to install
this bundle file by double-clicking on it, Gnome-software don't show me
all the package information before the installation.

It miss the screenshots, the license and the homepage. But the name,
description and icon are here.

If I install the bundle file and re-display the package in
Gnome-software, I can see all the information. Including the one that
where missing.

I have check the metainfo file with the command `appstreamcli validate
--explain` and I got no error.

And their is not known bug on gnome-software that can cause this problem.

Did I made a mistake ?

You can found the file of my Flatpak package here:
https://framagit.org/SebGen/jmri-flatpak


Best regards

-------
Gendre Sébastien
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