@PatJe: The reason you ended up losing your translations of the content structure was because we were stuck with two bad options. Some users modified the structure to give it completely different meanings when we first released to Kickstarter backers and didn't have enough warnings in place about the implications of doing so. We needed to change how we handled things internally to better deal with sharing in the near future. Unfortunately, that change either meant throwing away all structure changes or leaving all such changes in places. The latter meant that users who modified their structure would forever be stuck with the wrong meanings, which would forever render their entire realms unable to be shared or to import shared content into them. So we were stuck with two bad choices and opted to ensure that everyone's entire realms remained viable. Sorry for the hassle and this should not ever happen again.
@eponeete & @PatJe: Allowing users to share translations of the structure wasn't something that we had really thought about previously. However, it would probably be relatively straightforward due to some of the recent changes we've made to how all that's handled internally. I'll put this on the todo list!
