For the attached file a trivial .NET Core application that calls Aspose.Slides.Presentation.GetThumbnails hangs forever.
This was tested on Ubuntu 21.10 with .NET Core runtime 3.1.22 and Aspose.Slides 22.3.0.
test.zip (24.0 KB)
@co213,
Thank you for the issue description.
I’ve reproduced the problem with GetThumbnails method when I used it for the presentation you provided. I added a ticket with ID SLIDESNET-43139 to our issue tracking system. We apologize for any inconvenience. Our development team will investigate this case. You will be notified when the issue is resolved.