Currently I have an English/Japanese store (version 1.5.4) that works fine with Japanese Language Pack.

Yesterday I began playing around with version 1.5.5 on a new store for an English/Japanese based site. I have not installed any Japanese files yet.

I have not seen any activity surrounding the Japanese Language Pack for a few years so I'm wondering if the current language pack will work in 1.5.5 and upcoming version 1.6 (and beyond!).

Would appreciate an overview of the situation as I need to know if I should stick with Zen or not.

Thanks in advance!