Spire.PDFViewer 3.12.1 enhances the conversion effect from PDF to image

We are pleased to announce that Spire.PDFViewer 3.12.1 is available from this day on. This version enhances the performance in opening document and the conversion effect from PDF to image. See the content below for more details.

Bug Fixes:

• Fixes the issue that the document was empty when opening in PDFViewer
• Fixes the issue that the result was in blank when converting to the image