libnss3.so is missing from the AppImage

[Hund]

I just downloaded the AppImage version 0.13.2 on my computer with Gentoo and was greeted with this when I executed the file:

$ ./freetube_0.13.2_amd64.AppImage 
/tmp/.mount_freetuMX4xJw/freetube: error while loading shared libraries: libnss3.so: cannot open shared object file: No such file or directory

What's wrong?

[GilgusMaximus]

This should not be an issue with our app but a missing library on your system.
symfony/panther#7

[Hund]

I see. I'm not really experienced with alternative installation methods like AppImages. I assumed that everything that was needed would be included in the image itself.

Anyway. The missing package is named dev-libs/nss in Gentoo. Installing it solved the issue.

Thank you!
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