I have a table in pptx with a few cells filled in. One cell is a merged cell that has the text vertical centered. When converting from pptx to pdf the text is at the top on the pdf and not kept in the middle as per the pptx.
Thank you for sharing the files.
I am able to reproduce your mentioned issue after an initial test. Your issue has been registered in our issue tracking system with issue id: SLIDESJAVA-34727. You will be notified via this forum thread once the issue gets resolved.
Thanks & Regards,