Released: Dec 23, 2025

2025 Volume 4 (32.1.20) での更新項目

不具合の修正

• PDF Library
  • .NET PDF Library
    • Resolved an issue where incorrect characters appeared in conformance-converted documents containing form fields.
    • Fixed a conformance validation failure that occurred after PDF conversion.
    • Resolved a preservation issue that occurred during PDF/A conversion for a specific document.
    • Resolved an issue where an exception was thrown randomly during text extraction when running in multithreading mode.
    • Fixed the issue where ZUGFeRD PDF generation incorrectly produced A1-B conformance instead of A3-A.
    • Fixed an issue where items in PdfLoadedCheckBoxField were missing during PDF form processing.
    • Fixed an issue where the font style was not applied correctly for complex script text.
    • Resolved a PDF/A-2a compliance issue that occurred in merged PDF documents.
    • Resolved an issue where the exported annotation JSON file was not generated in the correct format.
    • Resolved a performance degradation issue caused by excessive memory usage during Word-to-PDF image rendering.
  • Flutter PDF Library
    • Resolved an issue where the check marks in some checkbox fields were not rendering correctly in a specific PDF document.
  • JavaScript Library
    • Fixed an issue where stamp annotations were lost after saving the document multiple times.
    • Fixed a bad font error that appeared when incremental updates were disabled for a particular PDF.
    • Fixed a script error that occurred while importing a page range into a new PDF.
    • Fixed an issue where redaction annotations with overlay text were not preserved correctly on rotated pages.
    • Fixed an issue where form fields were not visible in Adobe Acrobat while importing a page range into a new PDF.
• Word Library
  • .NET Word Library
    • Images from web URLs are now exported properly while converting an HTML document to Markdown.
    • Document protected with SHA1 algorithm is now unprotected properly.
    • Nested table grid columns are now preserved properly while opening the RTF format document.
    • Date and time fields are now locked properly when re-saving a DOCX document.
    • DOCX document will no longer be corrupted when resaving as DOCX with mail merge recipient content.
    • Picture inside the table cell is now positioned properly while converting Word document to PDF.
    • Text position is now updated properly while converting Word document with tab after text wrapping item to PDF.
    • Table cell text position is now updated properly while converting word document with text wrapping item to PDF.
    • Diagonal watermark width is now preserved properly while converting a Word document to PDF.
• Excel Library
  • .NET Excel Library
    • Exception is no longer thrown when data validation contains an empty formula.
    • Exception is no longer thrown when merging cells in an empty sheet.
    • DisplayText is updated correctly when changing the number format for a cell that contains a formula.
    • AutoFill with Fill Series preserves filled values correctly when the number format is set to text.
    • DisplayText returns the correct cell value when the number format is applied in fraction.
    • The filter icon is preserved in the destination sheet when using the AddCopy operation.
    • Pictures anchored to cells are preserved when resaving the Excel file.
    • Border is copied correctly for merged cells when using AutoFill with the Fill Copy option.
    • Strings with numbers that contain leading zeros fill correctly when using AutoFill with the Fill Series option.
    • Exception is no longer thrown when using ExpandoObject in template markers with nested objects.
    • Merged cell values are preserved correctly when clearing formats.
    • Formula cell values with embedded double quotes are preserved correctly when converting XLSX to CSV.
    • Exception is no longer thrown when getting used cells after replacing an array formula with a cell value.
    • Borders and text are preserved properly when importing HTML tables with rowspan and colspan into Excel.
    • Column is preserved correctly in Excel to PDF conversion when a print title is applied with the FitColumnOnOnePage option.
    • Exception is no longer thrown when accessing a slicer in a worksheet.
    • Resaving an XLSB file that contains number formats with different record structures no longer causes corruption.
    • Exception is no longer thrown during Excel to HTML conversion for unsupported characters.
• PowerPoint Library
  • .NET PowerPoint Library
    • Bullet points within bullet-list SmartArt shapes will now be preserved properly while converting PPTX to PDF.