The attached presentation changes formatting during the cloning process. Comparison screenshot is also attached.
Thanks for inquiring Aspose.Slides.
I have worked with the presentation file shared by you and have been able to observe the issue specified. An issue with ID SLIDESNET-33766 has been created in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be automatically notified once the issue will be resolved.
We are sorry for your inconvenience,