Migrating from @gajim apt to flatpak release. Do this so you don't loose encryption and history.
Migrate your data
When switching to Flatpak you might want to migrate your user data (accounts, history, ...) from your previous installation. Just copy your user data from/to the following directories:
Copy ~/.local/share/gajim -> ~/.var/app/org.gajim.Gajim/data/gajim
Copy ~/.config/gajim -> ~/.var/app/org.gajim.Gajim/config/gajim