Hi there,
There seems to be an issue with tagging in Japanese (and I suspect Chinese and other languages that involve some keyboard IME) only in the case of multiple tagging.
Below is the example from the select2 website. I am typing ‘しんきおぷしょん’ to turn in to ‘新規オプション’ after keyboard correction, but this happens:
Typing and creating tags in japanese works like a charm for single tagging, or for single or multiple input search bars.