The same issue, and it's not Ubuntu-specific.
The reason is that Firefox does not write `intl.accept_languages`
value to the new profile's `prefs.js`.
After creating a new profile, the first launch is nice and dandy:
websites are in Russian, as I expect. But after I close Firefox
and open it agai
I'm experiencing the issue in Linux Mint 18 too.
I installed the package `nemo-seahorse_3.0.0+sarah` which adds
Seahorse integration to Nemo File Manager. It is based on seahorse-nautilus
and uses libcryptui internally.
Signing the files works, but I can't encrypt them. After choosing recipients
