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Cpp / Changelog / v10.8

Version 10.8.0 Changelog (March 20th, 2024)

New In This Release

Version 10.8 is primarily a bugfix release.

New Digital Signature Utilities

  • Added a method to sign the digest of any arbitrary data with the private key provided in a PKCS #12 key file. This provides an effective way of validating custom signing logic. (DigestAlgorithm.SignDigest())
  • Introduced a new Digital Signature logging option, which should help with debugging more complex signing issues. (DigitalSignatureField.SetDigSigLogFilename())

New Options

  • Added an option to disable PDF structure tag output when converting from office to PDF. Disabling tagging can result in much smaller output file size, particularly for large tables. (OfficeToPDFOptions.SetStructureTagLevel()).

Improvements:

  • [.net] Added support for .NET 7 and 8.
  • [image] Added a version of Convert.ToTiff that accepts an output stream, allowing for fully in-memory conversion.
  • [cad] Updated CAD module binaries to use ODA version 25.1.
  • [pdfa] When converting to PDF/A, any previously valid and supported XMP metadata entries are now retained.
  • [pdf] Improved the snapping precision for GeometryCollection.SnapToNearest.
  • [pdf] Improved support for corrupt documents with unpaired key-value dictionary entries.
  • [cad] Adjusted CAD layer conversion output to turn off children layers when the parent is off.
  • [node.js] Improved error handling for a number of constructors that are not intended for direct use in Node.js. These will now throw a clear error when used.
  • [cad] Adjusted DGN to PDF to map a number of symbols to Unicode so they can be substituted in the case where the expected font resource is not present.
  • [cad] Provided a new default symbol font to improve substitution for common CAD symbol font resources.
  • [pdf] Improved support for repairing corrupt PDF files that contain streams missing the endobj operator.
  • [pdf] Improved Text Extraction word ordering for cases where text patterns inside PDF are not in reading order.
  • [pdf] Adjusted annotation cloudy border appearance generation to more closely match WebViewer and other PDF viewers.
  • [node.js] Added missing function Obj.getRawBuffer() to Node.js bindings.
  • [pdf] Significant accuracy improvements to the FormKeyValue data extraction engine.

Bugfixes:

  • [pdf] Fixed an issue with appearance generation where a pre-existing rotation on appearances could sometimes impact future appearance generation.
  • [all] Fixed an issue with PDFNet.AddFontSubst() where it could crash in rare cases due to a missing font family name.
  • [pdf] Fixed an issue specific to Ruby where the Data Extraction Module could error out due to interrupts when extracting form fields.
  • [html] Fixed an issue where the legacy HTML2PDF module could not be found when the file path rather than the directory path was specified.
  • [xfdf] Fixed a rare crash when exporting empty stamp appearances to XFDF.
  • [pdf] Added support for Unicode strings in push button captions. Previously only ascii strings would work as expected.
  • [pdf] Fixed an issue where OCG Group.SetLocked() could incorrectly throw "Index is out of range" exceptions.
  • [pdf] Fixed an issue where corrupt files with missing font descriptors could cause the document to be unexpectedly modified.
  • [node.js] Fixed function Obj.getBuffer() for Node.js so that it properly returns a byte array.
  • [node.js] Fixed an error that would occur when loading the TypeScript binding.
  • [pdfa] Fixed an issue converting to PDF/A-1 corrupt image masks that include a colorspace. Previously the output could cause errors in other PDF consumers.

PDF to Office Fidelity:

Fixes and improvements for the Structured Output Module

  • [docx] Improved detection of bold font styles on specific documents.
  • [docx] Resolved a page count issue on macOS.
  • [docx] Improved detection of the small caps font style effect.
  • [office] Improved whitespace detection between Arabic words.
  • [docx] Improved header and footer detection targeting one-page documents with a horizontal line below body content.
  • [docx] Improved detection of tables that overlap with body content.
  • [docx] Improved detection of word order with right-to-left aligned text.
  • [docx] Improved detection of Arabic characters when the text layer does not match the character glyphs.
  • [office] A limited number of third-party libraries have been updated to include the latest security fixes.

Office Fidelity:

  • [xls] Improved color resolution for XLS documents.
  • [xlsx] Added implementation for the COUNTBLANK Excel function.
  • [docx] Fixed a rare crash caused by placing inline text boxes inside framed paragraphs.
  • [xlsx] Fixed incorrect default page margins in malformed Excel documents.
  • [xlsx] Reduced peak memory usage of XLSX conversions.
  • [xlsx] Adjusted horizontal cell padding in Excel documents to the exact value used by Excel.
  • [docx] Text background color is now correctly applied to list items.
  • [docx] Fixed issues with table of contents generation in non-English documents.
  • [docx] Implemented proper handling of list number spacing in some legacy Word documents.
  • [xlsx] Fixed a crash when a print area splits a merged cell in an Excel document.
  • [xlsx] Fixed an issue with showing the incorrect number of pages in Excel documents.
  • [xlsx] Fixed an issue with text formatting not applying to text cells.
  • [xlsx] Fixed a rare issue with missing cell borders in Excel documents.
  • [docx] Improved handling of footnotes near end of a page.
  • [office] Significantly improved chart rendering code, which corrects multiple cases of incorrectly placed elements.
  • [doc] Improved support for change tracking for legacy .doc files.
  • [docx] Added support for footnote and endnote references with custom marks.
  • [docx] Improved paragraph spacing for the first paragraph on a page.
  • [docx] Improved line height calculation for documents with grid spacing.
  • [doc] Fixed an issue where the extra table borders were displayed.
  • [office] Improved visual appearance and corrected size of inline n-ary (e.g. sum) math elements.
  • [pptx] Fixed an issue where brace shapes were converted to random lines.
  • [office] Improved vertical layout of superscript math elements.
  • [xlsx] Fixed an issue where rotated images were placed in incorrect positions.
  • [docx] Fixed an issue causing a numbered paragraph to have incorrect indentation.
  • [office] Fixed an issue with missing math equations due to the presence of tracked changes in them.
  • [office] Fixed multiple issues with incorrect font selection.
  • [office] Improved the visual appearance of the "small caps" font style to match Word.
  • [docx] Fixed incorrect numbering of letter-based list numbers after 'z'.
  • [xlsx] Fixed a rare issue where the print area of a sheet was applied to another sheet instead.
  • [office] Improved visual result of the luminance adjustment effect on images.
  • [xls] Fixed a rare case of infinite conversion of legacy XLS files.
  • [xlsx] Added support for fallback images for OLE objects in Excel (when available).
  • [office] Fixed multiple small WMF image conversion issues.
  • [docs] Fixed incorrect line spacing for some East Asian fonts.
  • [xlsx] Fixed an issue where some custom font styles were not applied to Excel cells.

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