@Chabie,
You will get this hot fix through Nuggets after two weeks time. You will be notified here once the updated version is released through NuGet package manager.
The issues you have found earlier (filed as CELLSNET-47567,CELLSNET-47547) have been fixed in Aspose.Cells for .NET v20.9. This message was posted using Bugs notification tool by Amjad_Sahi
You may also get the new version @ nuget repos. (NuGet Gallery | Aspose.Cells 20.9.0)