Please note this is an old forum thread. Information in this post may be out-to-date and/or erroneous.
Every phpdocx version includes new features and improvements. Previously unsupported features may have been added to newer releases, or past issues may have been corrected.
phpdocx generates internal XLSX files to work with charts, but in the current version there's no support to import an Excel sheet to a DOCX; it's a work in progress but not available yet.