No, the problem is still there, at least under Microsoft Windows. If I store a German umlaut like ä, ö, ü or ß, the file is corrupted using the XMLFileHandler.store() method. You can double check with Notepad++, etc. This file cannot be loaded, I get: Uncaught exception occured at Tue Apr 06 16:03:50 CEST 2021: org.jconfig.ConfigurationManagerException: The parser cannot parse the file: Invalid byte 2 of 3-byte UTF-8 sequence. at org.jconfig.handler.XMLFileHandler.load(XMLFileHandler.java:122) at...