Thank you for contacting support. We managed to replicate the problem of missing/misplace text of the shapes. We have logged this issue under ticket id DIAGRAMJAVA-50143 in our issue tracking system. Your post has also been linked to these issues. We’ll keep you informed regarding any available updates. We’re sorry for the inconvenience caused.
Thank you for being patient. We have a good news for you that the issue id DIAGRAMJAVA-50143 has now been resolved. If there is no issue in the QA phase, then this fix will be incorporated in the next version 6.2.0 of the Aspose.Diagram for Java API. We’ll inform you via this forum thread as soon as the new release is published.