When I was looking into my achievement screen, For some reason the translation of the achievement "the city at the end of the game" was missing two letters at the end, while they still fit on my screen.
This is not a translation problem, I checked on crowdin and the translation has the 2 letters.
Just a wild guess: maybe the text background frame isn't long enough to hold the translation?
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This might be a duplicate of MC-166614 because the line is longer than 30 characters.
It might also be a good idea of giving MC-166614 a higher priority, since there is an actual representation in the game without any datapacks.