We are pleased to announce the release of Spire.PDF 11.12. This version optimized the performance of slow web printing requests in the .NET Standard DLL. In addition, several issues related to file conversion and printing were fixed, further improving stability and reliability. Details are listed below.

Here is a list of changes made in this release

Category ID Description
Optimization SPIREPDF-7855 Optimized slow web printing requests in the .NET Standard DLL.
Bug SPIREPDF-7810 Fixed the issue where converting PDF files with annotations to images threw an “ArgumentException”.
Bug SPIREPDF-7856 Fixed the issue where converting OFD files to PDF threw a “NullReferenceException”.
Bug SPIREPDF-7858 Fixed the issue where the .NET Standard DLL printed PDF documents to an incorrect output path when using a virtual printer.
Bug SPIREPDF-7872 Fixed the issue where converting PDF files to PPTX threw a “Parameter is not valid.” exception.
Click the link below to download Spire.PDF 11.12:

We’re pleased to announce the release of Spire.XLS for Java 15.12.15. This version optimizes the logic for handling long text exceeding 253 characters in Excel headers, and fixes several known bugs as well. More details are as follows.

Here is a list of changes made in this release

Category ID Description
Adjustment SPIREXLS-5909 Optimized the logic for handling text exceeding 253 characters in headers. When the limit is exceeded, an error message is now displayed: "The text string for header is too long.
Bug SPIREXLS-6033 Fixed the issue where loading an Excel document caused a StringIndexOutOfBoundsException.
Bug SPIREXLS-6039 SPIREXLS-6040 Fixed the issue where copying a worksheet containing curves threw a NullPointerException.
Bug SPIREXLS-6041 Fixed the issue where Excel-to-PDF conversion resulted in an error: "Error in Cell: AH125-null"70S シルバー&サイズ=-".
Bug SPIREXLS-6042 SPIREXLS-6052 Fixed the issue where false positive virus detections occurred by Huorong and Avira antivirus software when scanning the JAR file.
Click the link to download Spire.XLS for Java 15.12.15:

We are pleased to announce the release of Spire.Presentation for Java 10.12.4. This version mainly fixes a formula display issue on Mac. Details are listed below.

Here is a list of changes made in this release

Category ID Description
Bug SPIREPPT-3025 Fixed the issue where the formula "\square" in PowerPoint was displayed incorrectly on Mac.
Click the link below to download Spire.Presentation for Java 10.12.4:
Thursday, 18 December 2025 09:49

Spire.Office for Python 10.12.0 is released

We're pleased to announce the release of Spire.Office for Python 10.12.0. In the version, the Spire.Doc for Python has optimized and enhanced the API; Spire.XLS for Python supports removing duplicate rows in Excel; Spire.Presentation for Python enhances the conversion from PPTX to PDF; Spire.PDF for Python supports timestamping digital signatures; Spire.Barcode for Python supports Linux ARM platform; Spire.OCR for Python introduces platform adjustments and enhances OCR recognition accuracy.
Moreover, many known issues that occurred when converting, processing and saving Word/Excel/PDF/PowerPoint files have been successfully fixed. More details are listed below.

Click the link to download Spire.Office for Python 10.12.0:

Here is a list of changes made in this release

Spire.Doc for Python

Category ID Description
Adjustment - Added fine-grained format control capabilities for core document elements such as paragraphs, tables, cells, borders, and styles.
Class Name New Features Feature Description
Paragraph GetText Retrieve the text content of a paragraph
Table SetBorders,
ClearBorders
Set table border styles; Clear all border formats of the table
CellFormat ClearFormatting Clear all formatting of a cell
Borders ClearFormatting,
IsShadow
Clear border format settings; Control whether the border displays shadow effect
RowFormat ClearBackground, Height Clear row background color; Set row height
StyleCollection Add (Overload) Add overloaded methods for style creation
PreferredWidth FromPercent,
FromPoints
Support width definition by percentage or point values
CharacterFormat LocaleIdBi Support locale settings for bidirectional text
Frame IsFrame Determine whether the object is a Frame
OfficeMath ToLaTexMathCode,
FromOMMLCode
Convert formula objects to LaTeX math code; Create formula objects from OMML strings
Adjustment - Enhanced configuration and operation capabilities for Chart and its sub-objects.
Class Name New Features Feature Description
Chart and its sub-objects (Including ChartAxis, ChartSeries, ChartDataLabelCollection, ChartLegend, ChartTitle, etc.) Multiple properties and methods Support axis configuration, data label management, legend/title format settings, etc.
Adjustment - Enhanced revision, content control and document comparison features.
Class Name New Features Feature Description
CompareOptions IgnoreTable,
IgnoreHeadersAndFooters
Ignore table content and headers/footers during document comparison
DifferRevisions MoveToRevisions,
MoveFromRevisions
Retrieve revisions of "move to" and "move from" types
StructureDocumentTag* (Including Cell/Inline/Row) RemoveSelfOnly Remove only the content control itself while retaining its contained content
Adjustment - Enhanced auxiliary functions.
Class Name New Features Feature Description
ToPdfParameterList PdfImageCompression,
DigitalSignatureInfo
Configure image compression and digital signature information when saving to PDF
Document MarkdownExportOptions,
ListReferences
Support Markdown export options and list reference management
Adjustment - Reconstructed list system.
Class Name New Features Feature Description
ListFormat ApplyStyle, ApplyListRef Support direct list reference and quick style application
ListLevel Equals,CreatePictureBullet,
DeletePictureBullet,PictureBullet
Support picture bullet management and list level comparison
ListStyle ListRef, BaseStyle Support list reference and base style configuration
Document ListReferences Retrieve the collection of list references in the document
Adjustment - Removed some redundant or poorly designed properties and methods to improve the overall consistency of the API. For example,obsolete export methods such as OfficeMath.SaveToImage and SaveImageToStream have been removed.

Spire.XLS for Python

Category ID Description
New feature SPIREXLS-5883 Added support for removing duplicated rows in a worksheet.
workbook = Workbook()
workbook.LoadFromFile(inputFile)
sheet = workbook.Worksheets[0]
sheet.RemoveDuplicates()
workbook.SaveToFile(outputFile, FileFormat.Version2013)
workbook.Dispose()
Bug SPIREXLS-5898 Fixed the issue where incorrect formulas occurred after calling Range.Move().
Bug SPIREXLS-5923 Fixed the issue where chart labels were missing when converting Excel to PDF.
Bug SPIREXLS-5924 Fixed the issue where output was inconsistent when converting Excel to PDF.
Bug SPIREXLS-5945 Fixed the issue where chart conversion failed using SaveChartAsImage.
Bug SPIREXLS-5992 Fixed the issue where formula calculations were incorrect when converting Excel to PDF.

Spire.Presentation for Python

Category ID Description
Bug SPIREPPT-2905 Fixed the issue where some text was missing when converting PPTX to PDF.
Bug SPIREPPT-3032 Fixed the issue where content overlapped when converting PPTX to PDF.
Bug SPIREPPT-3036 Fixed the issue where table layouts were incorrect after converting PPTX to PDF.

Spire.PDF for Python

Category ID Description
New feature SPIREPDF-7326 Added support for timestamping digital signatures.
doc = PdfDocument ()
        doc. LoadFromFile (inputFile)
        # Create a digital signature
        signature = Security_PdfSignature (doc, doc.Pages.get_Item(0), inputFile_pfx,"08100601", "signature")
        signature.SignDetailsFont =  PdfFont(PdfFontFamily.Courier,8.0)
        # Set the bounds of the signature box
        signature.Bounds = RectangleF(PointF(90.0, 550.0), SizeF (180.0, 90.0))
        # Configure signature appearance and details
        signature.NameLabel = "Digitally signed by:Gary"
        signature.LocationInfoLabel ="Location:"
        signature.LocationInfo = "CN"
        signature.ReasonLabel = "Reaseon:"
        signature.Reason = "Ensure authenticity"
        signature.ContactInfoLabel = "Contact Number:"
        signature.ContactInfo = "028-81705109"
        # Set document permissions
        signature.DocumentPermissions = PdfCertificationFlags.ForbidChanges.value
        # Set graphic mode for the signature
        signature.GraphicsMode = Security_GraphicMode.SignImageAndSignDetail
        # Set the signature image
        signature.SignImageSource = PdfImage.FromFile(inputImage)
        #When setting “none", the Image and Detail are distributed on both sides, when setting “Stretch", the image extends to the entire signatu
        signature.SignImageLayout = SignImageLayout.none
        url = "https://freetsa.org/tsr"
        signature.ConfigureTimestamp(url)
        signature.ConfigureHttpOCSP (None, None)
        signature.Certificated = True
        doc.SaveToFile(outputFile)  
        doc.Close()
New feature - Added support for configuring text layout options when converting PDF to Excel.
pdf = PdfDocument()
pdf.LoadFromFile(inputFile)
textOption = XlsxTextLayoutOptions(True, False, False)
pdf.ConvertOptions.SetPdfToXlsxOptions(textOption)
pdf.SaveToFile(outputFile, FileFormat.XLSX)
pdf.Dispose()
New feature - Added support for configuring line layout options when converting PDF to Excel.
pdf = PdfDocument()
pdf.LoadFromFile(inputFile)
lineOption = XlsxLineLayoutOptions(False,False,False,False)
pdf.ConvertOptions.SetPdfToXlsxOptions(lineOption)
pdf.SaveToFile(outputFile, FileFormat.XLSX)
pdf.Dispose()
New feature - Added support for configuring table layout options when converting PDF to Excel.
# Load the PDF document from the specified input file path
pdf.LoadFromFile(inputFile)
# Set the XlsxSpecialTableLayoutOptions as the conversion options for PDF to XLSX conversion
options = XlsxSpecialTableLayoutOptions(False, False, False)
# Save the PDF document as an Excel file using the specified format and options
pdf.SaveToFile(outputFile, FileFormat.XLSX)
New feature - Added support for configuring OFD conversion options.
pdf = PdfDocument ()
pdf. LoadFromFile (inputFile)
ofdOptions =  OfdOptions()
ofdOptions.UseTempFileStorage = True
pdf.ConvertOptions.SetPdfToOfdOptions(ofdOptions)
pdf.SaveToFile(outputFile,FileFormat.OFD)
New feature - Added support for ignoring images when converting PDF to Markdown.
# Create an instance of PdfToMarkdownConverter with the input PDF file
converter = PdfToMarkdownConverter(inputFile)
# Configure the converter to skip processing images in the PDF
converter.MarkdownOptions.IgnoreImage = True
# Convert the PDF content to Markdown format and save to the output file
converter.ConvertToMarkdown(outputFile)
New feature SPIREPDF-7870 Added support for configuring SVG output width and height when converting PDF to SVG.
converter =  PdfToSvgConverter(inputFile)
converter.SvgOptions.ScaleX = 1.0
converter.SvgOptions.ScaleY = 1.0
converter.Convert(outputFile)
Bug SPIREPDF-7670 Fixed an issue where table borders were lost when converting PDF to PPTX.
Bug SPIREPDF-7868 Fixed an exception thrown when setting cell borders on PdfGrid.

Spire.Barcode for Python

Category ID Description
New feature - Upgrades SkiaSharp version to 3.116.1.
New feature - Adds support for Linux ARM platform.

Spire.OCR for Python

Category ID Description
Adjustment - Upgraded SkiaSharp to 3.116.1.
Adjustment - Added support for the Linux-ARM platform.
Adjustment - Changed license usage to spire.ocr.LicenseProvider; the common license object was no longer used.
Enhancement SPIREOCR-111 Enhanced error handling: when the system library libdl.so was unavailable, image scanning returned a clear error message.
Enhancement - Enhanced OCR recognition capability:

1. Supported recognition of rotated images.

configureOptions.AutoRotate = True

2. Supported outputting recognized text in the order of its original positions on the image.

visualText = VisualTextAligner(scanner.Text)text = visualText.ToString()

We are pleased to announce the release of Spire.Doc 13.12.6. This version added a new set of document compatibility features, allowing developers to perform compatibility operations by targeting specific Word versions. In addition, an issue related to incorrect page numbers during Word-to-PDF conversion was fixed. Details are listed below.

Here is a list of changes made in this release

Category ID Description
New feature SPIREDOC-10448 Added a CompatibilityOptions property to the Document class for performing compatibility operations on documents.
Document doc = new Document();
      doc.CompatibilityOptions.UlTrailSpace = false;
      doc.CompatibilityOptions.AdjustLineHeightInTable = true;
      doc.CompatibilityOptions.SpaceForUL = true;
      doc.CompatibilityOptions.ApplyBreakingRules = true;
      doc.CompatibilityOptions.DoNotExpandShiftReturn = false;
      doc.CompatibilityOptions.OverrideTableStyleFontSizeAndJustification = false;
      doc.CompatibilityOptions.DoNotAutofitConstrainedTables = true;
      doc.SaveToFile("outputFile");
New feature - Added the CompatibilityOptions class, CompatibilityTypes enumeration, and WordVersion enumeration to the Spire.Doc.Settings namespace.
Document doc = new Document();
    doc.LoadFromFile("inputtFile");
    Spire.Doc.Settings.CompatibilityOptions options = doc.CompatibilityOptions;
New feature - Added the OptimizeForWordVersion() method to the CompatibilityOptions class, enabling document compatibility to be set by specifying a Word version.
Document doc = new Document();
            doc.LoadFromFile(inputFile);

            // Set properties
            doc.CompatibilityOptions.UlTrailSpace = false;
            doc.CompatibilityOptions.AdjustLineHeightInTable = true;
            doc.CompatibilityOptions.SpaceForUL = true;
            doc.CompatibilityOptions.ApplyBreakingRules = true;
            doc.CompatibilityOptions.DoNotExpandShiftReturn = false;
            doc.CompatibilityOptions.OverrideTableStyleFontSizeAndJustification = false;
            doc.CompatibilityOptions.DoNotAutofitConstrainedTables = true;
			// Set FileFormat when saving to preserve effects
            doc.SaveToFile(outputFile_after, FileFormat.Docx2016); 

            // Using version compatibility will reset previously set properties
            Spire.Doc.Settings.CompatibilityOptions options = doc.CompatibilityOptions;
            doc.CompatibilityOptions.OptimizeForWordVersion(WordVersion.Word2016);
            PrintCompatibilityOptions(options, outputFile);
            doc.Close();
Bug SPIREDOC-11708 Fixed the issue where page numbers were incorrect when converting Word documents to PDF.
Click the link below to download Spire.Doc 13.12.6:

We’re pleased to announce the release of Spire.PDF for Python 11.12.1. This update brings several new features, including timestamping digital signatures, configuring options when converting PDF to Excel, and ignoring images when converting PDF to Markdown. Meanwhile, it fixes two known issues as well. More details are as follows.

Here is a list of changes made in this release

Category ID Description
New feature SPIREPDF-7326 Added support for timestamping digital signatures.
doc = PdfDocument ()
        doc. LoadFromFile (inputFile)
        # Create a digital signature
        signature = Security_PdfSignature (doc, doc.Pages.get_Item(0), inputFile_pfx,"08100601", "signature")
        signature.SignDetailsFont =  PdfFont(PdfFontFamily.Courier,8.0)
        # Set the bounds of the signature box
        signature.Bounds = RectangleF(PointF(90.0, 550.0), SizeF (180.0, 90.0))
        # Configure signature appearance and details
        signature.NameLabel = "Digitally signed by:Gary"
        signature.LocationInfoLabel ="Location:"
        signature.LocationInfo = "CN"
        signature.ReasonLabel = "Reaseon:"
        signature.Reason = "Ensure authenticity"
        signature.ContactInfoLabel = "Contact Number:"
        signature.ContactInfo = "028-81705109"
        # Set document permissions
        signature.DocumentPermissions = PdfCertificationFlags.ForbidChanges.value
        # Set graphic mode for the signature
        signature.GraphicsMode = Security_GraphicMode.SignImageAndSignDetail
        # Set the signature image
        signature.SignImageSource = PdfImage.FromFile(inputImage)
        #When setting “none", the Image and Detail are distributed on both sides, when setting “Stretch", the image extends to the entire signatu
        signature.SignImageLayout = SignImageLayout.none
        url = "https://freetsa.org/tsr"
        signature.ConfigureTimestamp(url)
        signature.ConfigureHttpOCSP (None, None)
        signature.Certificated = True
        doc.SaveToFile(outputFile)  
        doc.Close()
New feature - Added support for configuring text layout options when converting PDF to Excel.
pdf = PdfDocument()
pdf.LoadFromFile(inputFile)
textOption = XlsxTextLayoutOptions(True, False, False)
pdf.ConvertOptions.SetPdfToXlsxOptions(textOption)
pdf.SaveToFile(outputFile, FileFormat.XLSX)
pdf.Dispose()
New feature - Added support for configuring line layout options when converting PDF to Excel.
pdf = PdfDocument()
pdf.LoadFromFile(inputFile)
lineOption = XlsxLineLayoutOptions(False,False,False,False)
pdf.ConvertOptions.SetPdfToXlsxOptions(lineOption)
pdf.SaveToFile(outputFile, FileFormat.XLSX)
pdf.Dispose()
New feature - Added support for configuring table layout options when converting PDF to Excel.
# Load the PDF document from the specified input file path
pdf.LoadFromFile(inputFile)
# Set the XlsxSpecialTableLayoutOptions as the conversion options for PDF to XLSX conversion
options = XlsxSpecialTableLayoutOptions(False, False, False)
# Save the PDF document as an Excel file using the specified format and options
pdf.SaveToFile(outputFile, FileFormat.XLSX)
New feature - Added support for configuring OFD conversion options.
pdf = PdfDocument ()
pdf. LoadFromFile (inputFile)
ofdOptions =  OfdOptions()
ofdOptions.UseTempFileStorage = True
pdf.ConvertOptions.SetPdfToOfdOptions(ofdOptions)
pdf.SaveToFile(outputFile,FileFormat.OFD)
New feature - Added support for ignoring images when converting PDF to Markdown.
# Create an instance of PdfToMarkdownConverter with the input PDF file
converter = PdfToMarkdownConverter(inputFile)
# Configure the converter to skip processing images in the PDF
converter.MarkdownOptions.IgnoreImage = True
# Convert the PDF content to Markdown format and save to the output file
converter.ConvertToMarkdown(outputFile)
New feature SPIREPDF-7870 Added support for configuring SVG output width and height when converting PDF to SVG.
converter =  PdfToSvgConverter(inputFile)
converter.SvgOptions.ScaleX = 1.0
converter.SvgOptions.ScaleY = 1.0
converter.Convert(outputFile)
Bug SPIREPDF-7670 Fixed an issue where table borders were lost when converting PDF to PPTX.
Bug SPIREPDF-7868 Fixed an exception thrown when setting cell borders on PdfGrid.
Click the link to download Spire.PDF for Python 11.12.1:

We are pleased to announce the release of Spire.OCR for Python 1.9.13. This release introduced platform and dependency adjustments and enhanced error handling and OCR recognition capabilities. Details are listed below.

Here is a list of changes made in this release

Category ID Description
Adjustment - Upgraded SkiaSharp to 3.116.1.
Adjustment - Added support for the Linux-ARM platform.
Adjustment - Changed license usage to spire.ocr.LicenseProvider; the common license object was no longer used.
Enhancement SPIREOCR-111 Enhanced error handling: when the system library libdl.so was unavailable, image scanning returned a clear error message.
Enhancement - Enhanced OCR recognition capability:

1. Supported recognition of rotated images.

configureOptions.AutoRotate = True

2. Supported outputting recognized text in the order of its original positions on the image.

visualText = VisualTextAligner(scanner.Text)text = visualText.ToString()
Click the link below to download Spire.OCR for Python 1.9.13:

We're pleased to announce the release of Spire.Doc 13.12.2. This version supports the "Two Lines in One" function, enhancing the effect of converting Word to PDF. It also adds support for setting the "Horizontal in Vertical" property of Paragraph text, copying styles from template documents when converting Markdown to Docx, and retrieving style change revisions. Meanwhile, some issues that occurred when converting or loading Word documents have also been successfully fixed. More details are listed below.

Here is a list of changes made in this release

Category ID Description
New Feature SPIREDOC-5504 Supports setting the "Horizontal in Vertical" property of Paragraph text.
Document doc = new Document();
Section section = doc.AddSection();
Spire.Doc.Documents.Paragraph paragraph = section.AddParagraph();
Spire.Doc.Fields.TextRange farEastLayout = paragraph.AppendText("test");
FarEastLayout style = new FarEastLayout();
style.Vertical = true;
farEastLayout.CharacterFormat.FarEastLayout = style;
doc.SaveToFile(outputFile, FileFormat.Docx);
doc.Close();
New Feature SPIREDOC-11073 Supports copying styles from template documents when converting Markdown to Docx.
          //Load template documents with existing styles
           Document temple = new Document();
           temple.LoadFromFile("temple.docx");
           //Load markdown file
            Document doc = new Document();
           doc = new Document(@"Doc.md");
           //Copy styles from template documents
           doc.CopyStylesFromTemplate(temple);
           //Save
           doc.SaveToFile(@"Doc.docx", Spire.Doc.FileFormat.Docx2016);
New Feature Supports the "Two Lines in One" function to enhance Word to PDF conversion.
New Feature Supports retrieving style change revisions.
Document doc = new Document();
            doc.LoadFromFile(inputFile);
            RevisionInfoCollection revisionInfoCollection = doc.GetRevisionInfos();
            StringBuilder sb = new StringBuilder();
            foreach (RevisionInfo revisionInfo in revisionInfoCollection)
            {
                if (revisionInfo.RevisionType == RevisionType.FormatChange)
                {
                    if (revisionInfo.OwnerObject is Spire.Doc.Fields.TextRange)
                    {
                        TextRange range = (TextRange)revisionInfo.OwnerObject;
                        sb.AppendLine("TextRange:" + range.Text + "\r\n");
                        doc.RevisionsView = RevisionsView.Original;
                        sb.AppendLine("Original style:" + "isBold:" + range.CharacterFormat.Bold + ";" + "TextColor:" + range.CharacterFormat.TextColor + ";HighlightColor:" + range.CharacterFormat.HighlightColor + ";FontName:" + range.CharacterFormat.FontName + ";UnderlineStyle:" + range.CharacterFormat.UnderlineStyle + "\r\n");
                        doc.RevisionsView = RevisionsView.Final;
                        sb.AppendLine("Final style:" + "isBold:" + range.CharacterFormat.Bold + ";" + "TextColor:" + range.CharacterFormat.TextColor + ";HighlightColor:" + range.CharacterFormat.HighlightColor + ";FontName:" + range.CharacterFormat.FontName + ";UnderlineStyle:" + range.CharacterFormat.UnderlineStyle + "\r\n");
                    }
                }
            }
            File.WriteAllText(outputFile, sb.ToString());
            doc.Close();
Bug Fix SPIREDOC-10859 Fixed issue with incorrect header appearance when converting Word to PDF.
Bug Fix SPIREDOC-11005 Fixed issue with loss of image transparency when converting Word to PDF/A-3B.
Bug Fix SPIREDOC-11579 Fixed issue with incorrect rendering when converting Word to PDF.
Bug Fix SPIREDOC-11623 Fixed issue where converting Word to PDF threw a "System.NullReferenceException".
Bug Fix SPIREDOC-11644 Fixed issue with incorrect fonts when converting Word to images.
Bug Fix SPIREDOC-11659 Fixed issue where copying headers threw an "Object reference not set to an instance of an object" error.
Bug Fix SPIREDOC-11680 Fixed issue where loading a signed document threw a "System.FormatException" error.
Bug Fix SPIREDOC-11696 Fixed issue where the doc.HtmlUrlLoadEvent could not be used in the latest version.
Bug Fix SPIREDOC-11700 Fixed issue with incorrect page number updates in the table of contents.
Click the link to download Spire.Doc 13.12.2:
More information of Spire.Doc new release or hotfix:

We're pleased to announce the release of Spire.Doc for Java 13.12.2. This version supports verifying whether the write-protection password is correct, and also fixes some issues that occurred when converting Word to PDF, HTML to Word, and replacing bookmarks. More details are listed below.

Here is a list of changes made in this release

Category ID Description
New feature - Added a new method to support verifying whether the write-protection password is correct.
Boolean protectionPassword = document.checkWriteProtectionPassword("password");
Bug SPIREDOC-10684 SPIREDOC-11670 Fixed an issue where text line breaks were inconsistent when converting Word to PDF.
Bug SPIREDOC-11340 Fixed an issue where paragraph indentation was inconsistent when converting HTML to Word.
Bug SPIREDOC-11617 Fixed an issue where retrieving bookmarkEnd failed.
Bug SPIREDOC-11618 Fixed an issue where a “NullPointerException” was thrown when replacing bookmarks.
Bug SPIREDOC-11619 Fixed an issue where bookmark tags were altered after bookmark replacement.
Bug SPIREDOC-11624 Fixed an issue where a “NullPointerException” was thrown during Word-to-PDF conversion.
Bug SPIREDOC-11636 Fixed an issue where equation parentheses were missing when converting Word to PDF.
Bug SPIREDOC-11637 Fixed an issue where an exception was thrown when retrieving bookmark content inside form content control.
Bug SPIREDOC-11642 Fixed an issue where detection of document write-protection passwords was inaccurate.
Bug SPIREDOC-11646 Fixed an issue where a “Text shaper failed” exception was thrown during Word-to-PDF conversion when text shaping was enabled.
Bug SPIREDOC-11649 Fixed an issue where content overlapped when converting Word to PDF.
Bug SPIREDOC-11669 Fixed an issue where a “ClassCastException” was thrown when converting HTML to Word.
Bug SPIREDOC-11677 Fixed an issue where text replacement was incorrect when setReplaceFirst was set to true.
Bug SPIREDOC-11689 Fixed an issue where tables were misaligned when converting Word to PDF.
Bug SPIREDOC-11697 Fixed an issue where images were incompletely rendered when converting Word to PDF.
Click the link below to download Spire.Doc for Java 13.12.2:

We’re pleased to announce the release of Spire.Doc for Python 13.12.0. This version delivers significant API enhancements, including fine-grained format control for document elements, improved chart configuration options, and upgraded comparison features. Additionally, it introduces auxiliary function enhancements, a revamped list system, and overall API optimizations to streamline user experience. More details are as follows.

Here is a list of changes made in this release

Category ID Description
Adjustment - Added fine-grained format control capabilities for core document elements such as paragraphs, tables, cells, borders, and styles.
Class Name New Features Feature Description
Paragraph GetText Retrieve the text content of a paragraph
Table SetBorders,
ClearBorders
Set table border styles; Clear all border formats of the table
CellFormat ClearFormatting Clear all formatting of a cell
Borders ClearFormatting,
IsShadow
Clear border format settings; Control whether the border displays shadow effect
RowFormat ClearBackground, Height Clear row background color; Set row height
StyleCollection Add (Overload) Add overloaded methods for style creation
PreferredWidth FromPercent,
FromPoints
Support width definition by percentage or point values
CharacterFormat LocaleIdBi Support locale settings for bidirectional text
Frame IsFrame Determine whether the object is a Frame
OfficeMath ToLaTexMathCode,
FromOMMLCode
Convert formula objects to LaTeX math code; Create formula objects from OMML strings
Adjustment - Enhanced configuration and operation capabilities for Chart and its sub-objects.
Class Name New Features Feature Description
Chart and its sub-objects (Including ChartAxis, ChartSeries, ChartDataLabelCollection, ChartLegend, ChartTitle, etc.) Multiple properties and methods Support axis configuration, data label management, legend/title format settings, etc.
Adjustment - Enhanced revision, content control and document comparison features.
Class Name New Features Feature Description
CompareOptions IgnoreTable,
IgnoreHeadersAndFooters
Ignore table content and headers/footers during document comparison
DifferRevisions MoveToRevisions,
MoveFromRevisions
Retrieve revisions of "move to" and "move from" types
StructureDocumentTag* (Including Cell/Inline/Row) RemoveSelfOnly Remove only the content control itself while retaining its contained content
Adjustment - Enhanced auxiliary functions.
Class Name New Features Feature Description
ToPdfParameterList PdfImageCompression,
DigitalSignatureInfo
Configure image compression and digital signature information when saving to PDF
Document MarkdownExportOptions,
ListReferences
Support Markdown export options and list reference management
Adjustment - Reconstructed list system.
Class Name New Features Feature Description
ListFormat ApplyStyle, ApplyListRef Support direct list reference and quick style application
ListLevel Equals,CreatePictureBullet,DeletePictureBullet,PictureBullet Support picture bullet management and list level comparison
ListStyle ListRef, BaseStyle Support list reference and base style configuration
Document ListReferences Retrieve the collection of list references in the document
Adjustment - Removed some redundant or poorly designed properties and methods to improve the overall consistency of the API. For example, obsolete export methods such as OfficeMath.SaveToImage and SaveImageToStream have been removed.
Click the link to download Spire.Doc for Python 13.12.0:
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