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There’s a note on the Flathub page that it requires permission to your home folder, so this should be granted automatically. Maybe they made an update since you had the issue?

In most cases the sandboxing should not require user intervention. Apps can either use the native file picker (which gives them access to selected files) or list which directories they want to access in their manifest. If an app tells you to select a file by path-in-text-input or homemade file picker, but doesn’t have permission to the relevant directories, that’s a config issue on the packager’s side.

You should install Signal as Flatpak. It should be available through the app store if you are on Mint. Otherwise see https://flathub.org/en/apps/org.signal.Signal

Do not consult companies websites for how to install on Linux if you can avoid it, they will nearly always break your setup. Just head for the app store and click the big green button.

No? I just said it would be nicer if you precised the name of the distro when you have an issue. This way I’m less likely to recommand an unstable distro. That’s it.

You obviously can’t be expected to know what distro is stable or not, I don’t either

You should give the name of the distro rather than just say modern. Ubuntu is “modern” and they broke the auto-updates for everyone some months ago. It’s more about stability than modernity

fyi, both of your exemples would fall under wp:fringe

He is discussing a page’s content, not “being in charge” of the page. I actually think it would be a good thing if board members spent more time as “normal” editors, maybe they would be less disconnected from the community

If you already have the correct version of the flatpak installed, you can try flatpak build-bundle.

flatpak build-bundle LOCATION FILENAME NAME where

• LOCATION is the path of the repo on disk. Run flatpak info -l org.kde.arianna, and copy the part before /app
• FILENAME is the output file name, preferably .flatpak. Eg: arianna.flatpak
• NAME is the name of the app, here org.kde.arianna

The generated file can be installed with a double-click, or with flatpak install <file>

This is the equivalent of an Android .apk. It contains the app but depends on a runtime. If you want to install it in a few years, odds are the runtime will no longer be available. You can backup the runtime the same way with the --runtime option.

flatpak build-bundle --runtime LOCATION FILENAME NAME where

• LOCATION same as earlier
• FILENAME eg arianna-runtime.flatpak
• NAME is the name of the runtime, which you can get with flatpak info --show-runtime org.kde.arianna

This takes a while, for some reason. Maybe it’s compressing stuff?

The runtime is installed the same way as the app: double click or flatpak install.

Note: I only did this once, and not specifically on Arianna. Hope it works.