Hi Imran Rafique,
Thanks for your support. Is “Visio drawing 11” to PNG conversion issue solved (Ticket ID DIAGRAMNET-51125) ?
The linked ticket ID DIAGRAMNET-51125 is pending for the analysis and not resolved yet. Our product team will investigate as per their development schedules. We will let you know once a significant progress has been made in this regard.
The issues you have found earlier (filed as DIAGRAMNET-51125) have been fixed in Aspose.Diagram for .NET 20.6.