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.
You can use addText method for each cell, so you'll be able to set custom styles per each cell of a table. Other way is to use DOCX as a template or import styles from an existing table.