Please talk to User:Meno25. He has been making mass imports to arz based on changed ar translations. For StatusNet the authors can change from the original author to FuzzyBot because of small changes to message contents or new messages that had a fuzzy match.
"Show preview" in LiquidThreads is broken, indeed. We reported it to the author of LiquidThreads (User:Werdna) over a day ago, together with three other issues related to LiquidThreads (previews broken, permalink broken, narrow screen oddness, "PHP Notice: Undefined variable: e in /classes/View.php on line 618").