Hi,
I’m experiencing the similar issues in our project. Here are log entries and you can see that AddClone requires sometimes several seconds:
06 Nov 2025 18:24:23.072 Masters.AddClone(sourceMasterSlide) // <- ~1sec
06…...3652 CloneElapsedMillisec=19.1261 [ASPOSE] From slide. ElapsedMilliseconds=20...
A powerful and fast library written in C# for manipulating and converting Excel(XLS, XLSX,XLSB), ODS, CSV,JSON and HTML files....0 245,671 1/16/2020 19.12.0 267,320 12/17/2019 19.11.0...