1 - CSV import. Too early for this, or is it just me missing something?
Yes too early.
… unless you want to write your own Python script! Introduction | farmOS
Here are some links:
2 - How can I change language?
In Farmier hosted instance? Or self-hosted?
Farmier doesn’t support v2 language changes (yet!)
We’re in the process of documenting localization (both using and contributing). In the meantime see: