Spire.PDF 4.2.0 follows new versioning rules and fixes bugs as well

We're pleased to announce that Spire.PDF 4.2.0 is released today. The version number of this update increases dramatically because a new set of versioning rules has been adopted. Apart from the numbering changes, this update also fixes several issues as usual. More details are as follows.

Bug Fixes:

• Fixes the issue that caused the "Unexpected token Unknown before 8103" exception when loading a file.
• Fixes the issue that caused the "Invalid/Unknown/Unsupported format" exception when loading a file.
• Fixes the issue that the button field couldn't be added into an existing PDF document.
• Fixes the issue that the text was not displayed in its proper position when converting PDF to image.
• Fixes the issue that extra black spots were added when converting PDF to image.
• Fixes the issue that some texts were garbled when printing a PDF.
• Fixes the issue that the result document was blank when converting PDF to PDF/A.
• Fixes the issue that the data replacement of attachment in PDF document didn't work.