[Evolution] Locale lost, flatpak version

[Volker Wysk <post volker-wysk de>]

Hi!

Suddenly, my evolution GUI is in English. I think this coincides with
an upgrade.

Other GTK programs, such as synaptic, or the gnome control center,
aren't affected.

I'm using the Flatpak version, 3.36.0 (by Flathub.org).


desktop ~ $ flatpak config 
languages: *unset* (default: de)


desktop ~ $ flatpak run org.gnome.Evolution

(process:27): Gtk-WARNING **: 02:41:11.623: Locale not supported by C
library.
        Using the fallback 'C' locale.
(...)


desktop ~ $ echo $LANG
de_DE.UTF-8


The message (above) looks like the German locale isn't installed. Can
it be missing in the Flatpak package?

Setting "languages", with "flatpak config --set languages de_DE.UTF-8", 
doesn't work.

Any ideas?

Regards,
Volker