For who has downloaded the Japanese version, please try again to see if the empty file issue was fixed.
I am afraid it is because I didn’t check the setting on the Steam backend after adding the new language.
Sorry for my mistake and bringing the bad experience.
Fixed Japanese version download issue
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 16758527 · public branch
Steam updated · First observed