Hi Anil,
Glad to tell that the official version of Spire.Presentation is available now. Welcome to download the latest Spire.Presentation Pack Hotfix Version:5.3.6 from the following link.
Our website: https://www.e-iceblue.com/Download/down ... t-now.html
Nuget: https://www.nuget.org/packages/Spire.Presentation/5.3.6
Sincerely,
Rachel
E-iceblue support team