I have tested the latest version 0.3.3 of DataTransfer. It works with UTF-8 encoded file (Chinese character).
Namely the CSV file must be saved as UTF-8 encoded before it can be imported.
I didn't test it with UTF-16. But the UTF-8 is enough for me :-)
Thank you very much.
>From: Yaron Koren <email@example.com
>Subject: Re: [Semediawiki-user] Trouble with ImportCSV in DataTransfer extension
>Okay, I released a new version of Data Transfer (0.3.3) that has the
>discussed dropdown - the file gets UTF-8-encoded only if it's not using
>UTF-8 already. Anyone who was having problems with this before can upgrade
>to the latest version, and let me know if that improves things.