System.Drawing was deprecated on .NET 6 and there does not seem To be a replacement ready from Aspose for macOS and Linux.
I have attached a test project which fails completely on macOS, and partially on Linux.
On macO…...Jpeg.JpegImage.(IRasterImageArgb32Pi...**at Aspose.Imaging.FileFormats.Jpeg.JpegImage..ctor(Int32 , Int32...