This is the list of changelogs of Spire.PDF New release and hotfix. You can get the detail information of each version's new features and bug solutions.

Welcome to experience Spire.PDF with downloading here:

Hot Fix Version: 4.8.5

New features:

  • Supports getting the conformance level of the Pdf/A-2A document.
  • PdfConformanceLevel conference= PdfDocument.Conformance;
    

Bug Fixes:

  • Improves the speed of the conversion from PDF to XPS.
  • Fixes the issue that content was garbled when converting PDF to SVG.
  • Fixes the issue that application threw an exception when converting PDF to Image.
  • Fixes the issue a black area appeared when drawing EMF image on the PDF document.
  • Fixes the issue that application threw an exception when getting the layers of the PDF document.
  • Fixes the issue that application threw an exception when extracting text from the PDF document.
  • Fixes the issue that some content got removed when converting XPS to PDF.
  • Fixes the issue that the result was blank after printing the PDF.
  • Fixes the issue that the origin of coordinates for text and image was totally different. Now it is uniformly on the basis of the top left point.
  • Fixes the issue that the field content got duplicated when flattening the form fields in PDF.
  • Fixes the issue that application threw an exception when loading a XPS file.
  • Fixes the issue that application threw an exception when replacing the image in PDF document.

Hot Fix Version: 4.7.11

Bug Fixes:

  • Fixes the issue that caused an exception when extracting text from PDF.
  • Fixes the issue that there were black areas when drawing EMF to PDF, and optimized the size of the result document.
  • Fixes the issue that the image couldn't be inserted in PdfGrid on WPF.
  • Fixes the issue that caused an ArgumentException when replacing image on PDF.

Hot Fix Version: 4.7.4

Bug Fixes:

  • Fixes the issue that the formats of graphics in PDF document were printed incorrectly.
  • Fixes the issue that the QR Code in a Pdf document were printed incorrectly.
  • Fixes the issue that the data were misplaced when extracting text.
  • Fixes the issue that the Chinese characters were messy code when extracting text.
  • Fixes the issue that the content were cut off when merging PDF files.
  • Fixes the issue that the data got lost when converting PDF to Image.
  • Fixes the issue that some content was blacked out when converting PDF to PDF/A.
  • Fixes the issue that XPS file converted from PDF was opened unsuccessfully.

Hot Fix Version: 4.6.8

New features:

  • Adds new methods to remove rows or columns from PdfGrid.

Bug Fixes:

  • Fixes the issue that the text cannot be found when using the method FindText.
  • Fixes the issue that the vertical text was displayed incorrectly when converting EMF to PDF.
  • Fixes the issue that the background of image changed to black when converting PDF to Word.
  • Fixes the issue that the text was cut off when printing PDF.
  • Fixes the issue that the content was wrong when printing.

Hot Fix Version: 4.6.4

Bug Fixes:

  • Fixes the issue that the text was clipped a little bit when converting rtf content with justified style to PDF document.
  • Fixes the issue that the application threw a System.FormatException when printing PDF document.
  • Fixes the issue that the dotted/dashed lines were displayed as solid lines when converting PDF document to XPS file or printing PDF document on the WPF platform.
  • Fixes the issue that the application threw a System.NullReferenceException when converting PDF document to image.
  • Fixes the issue that half page content got removed when printing PDF document.
  • Fixes the issue that content was misplaced when parsing an EMF to PDF.
  • Fixes the issue that background became black when printing PDF document.
  • Fixes the issue that content got removed when converting PDF document to image.

Hot Fix Version: 4.6.1

Bug Fixes:

  • Fixes the issue that the format became incorrect when extracting text from a PDF.
  • Fixes the issue that a memory leak occurred when extracting images from a PDF.
  • Fixes the issue that the application threw "System.FormatException" exception when extracting images and text.
  • Fixes the issue that the images got removed when parsing an EMF to PDF.
  • Fixes the issue that the "FindText()" method could not find the related content.
  • Fixes the issue that the encryption of PDF got failed when setting the password to be special characters.
  • Fixes the issue that the application threw an exception when invoking the "AppendPage()" method.

Hot Fix Version: 4.5.8

New features:

  • Add a new property "SignFontColor" to support the font color setting for signature content.
  • Changes the class name of "PdfGridCellTextAndStyleList" to"PdfGridCellContentList" and updates the code annotation.
  • Changes the class name of "PdfGridCellTextAndStyle" to"PdfGridCellContent" and updates the code annotation.

Bug Fixes:

  • Fixes the issue that the result was blurred when printing a PDF.
  • Fixes the issue that the generated PDF could not be opened when converting EMF to PDF.
  • Fixes the issue that the setting of italic and bold font style for PdfFreeTextAnnotation content did not make any sense.
  • Fixes the issue that half page became black when printing a PDF.
  • Fixes the issue that the generated PDF could not be opened when merging this PDF with any other PDFs.
  • Fixes the issue that the application threw an "Index was out of range" exception when converting PDF to Word.
  • Fixes the issue that the pictures got removed when converting PDF to XPS.
  • Fixes the issue that the image background color wrongly became blue when merging PDF files.
  • Fixes the issue that the generated PDF could not be opened when duplicating a PDF.

Hot Fix Version: 4.5.3

Bug Fixes:

  • Fixes the issue that caused OutOfMemoryException when converting PDF to Image.
  • Fixes the issue that the chart content was lost after printing PDF.
  • Fixes the issue that caused OutOfMemoryException when removing layers.
  • Fixes the issue that the signature panel wrongly displayed "signed by" after the signature was certificated.
  • Fixes the issue that incorrect text was added when adding Code 128C barcode to PDF.
  • Fixes the issue that the text was offset when converting XPS to PDF.

Hot Fix Version: 4.4.11

Bug fixes:

  • Fixes the issue that caused incorrect content when printing.
  • Fixes the issue that the generated file prompted error after adding page number to Pdf.
  • Fixes the issue that the space between bold fonts was lost after printing.
  • Fixes the issue that caused ArgumentException when extracting text.

Hot Fix Version: 4.4.6

Bug fixes:

  • Fixes the issue that caused the FormatException when getting ImagesInfo of a page.
  • Fixes the issue that caused the ArgumentOutOfRangeExcepton when invoking page.FindText() method.
  • Fixes the issue that caused the AccessViolationExcepetion when converting Pdf to Image.
  • Fixes the issue that the LineText couldn’t be obtained when extracting the collection of specific text.
  • Fixes the issue that caused the NullReferenceException when removing Pdf layer.